Self-Assessment and Review for Human Anatomy (2)
Overview
This compilation of 'Question and Answer' (Q&A) in the format of 'True or False' (T/F) sentence and 'Single Best Answer Question' (SBAQ), is a quick review and self-assessment for both pre-clinical and clinical students of medical, paramedical, and allied health sciences.
TITLE: ORBIT AND OCULAR ADNEXA
Q (1) | The following neurocranium constitutes the bony framework of the orbit EXCEPT the | |
ANSWER | A. frontal bone. | B. temporal bones. |
| C. sphenoid bone. | D. ethmoid bone. |
Q (2) | The viscerocranium that constitutes the bony framework of the orbit are lacrimal bones, maxilla bones, palatine bones, and | |
ANSWER | A. nasal bones. | B. inferior nasal concha bones. |
| C. vomer bone. | D. zygomatic bones. |
Q (3) | Structure(s) that is(are) located above the orbit: | |
ANSWER | A. Anterior cranial fossa and frontal sinus | B. Ethmoid sinuses (or ethmoid air cells) and sphenoid sinus |
| C. Maxillary sinus | D. Temporal fossa and middle cranial fossa |
Q (4) | Structure(s) that is(are) located medial to the orbit: | |
ANSWER | A. Anterior cranial fossa and frontal sinus | B. Ethmoid sinuses (or ethmoid air cells) and sphenoid sinus |
| C. Maxillary sinus | D. Temporal fossa and middle cranial fossa |
Q (5) | Structure(s) that is(are) located below the orbit: | |
ANSWER | A. Anterior cranial fossa and frontal sinus | B. Ethmoid sinuses (or ethmoid air cells) and sphenoid sinus |
| C. Maxillary sinus | D. Temporal fossa and middle cranial fossa |
Q (6) | Structure(s) that is(are) located lateral to the orbit: | |
ANSWER | A. Anterior cranial fossa and frontal sinus | B. Ethmoid sinuses (or ethmoid air cells) and sphenoid sinus |
| C. Maxillary sinus | D. Temporal fossa and middle cranial fossa |
Q (7) | Each orbit has a base, superior wall (or roof), medial wall, inferior wall (or floor), lateral wall, and an apex. | |
ANSWER | A. TRUE | B. FALSE |
Q (8) | The base of the orbit is directed | |
ANSWER | A. anterolaterally. | B. posteromedially. |
Q (9) | The base of the orbit is marked by the orbital margin (or orbital rim). | |
ANSWER | A. TRUE | B. FALSE |
Q (10) | The superior orbital (or supraorbital) margin is formed by the | |
ANSWER | A. frontal bone. | B. frontal and maxilla bones. |
| C. maxilla and zygomatic bones. | D. zygomatic and frontal bones. |
Q (11) | The medial orbital margin is formed by the | |
ANSWER | A. frontal bone. | B. frontal and maxilla bones. |
| C. maxilla and zygomatic bones. | D. zygomatic and frontal bones. |
Q (12) | The inferior orbital (or infraorbital) margin is formed by the | |
ANSWER | A. frontal bone. | B. frontal and maxilla bones. |
| C. maxilla and zygomatic bones. | D. zygomatic and frontal bones. |
Q (13) | The lateral orbital margin is formed by the | |
ANSWER | A. frontal bone. | B. frontal and maxilla bones. |
| C. maxilla and zygomatic bones. | D. zygomatic and frontal bones. |
Q (14) | The orbital margin leads back to the orbital wall that is consist of neurocranium only or combination of neurocranium and viscerocranium. | |
ANSWER | A. TRUE | B. FALSE |
Q (15) | The superior wall (or roof) of the orbit is formed by the | |
ANSWER | A. frontal and sphenoid bones. | B. sphenoid, ethmoid, lacrimal, and maxilla bones. |
| C. maxilla, palatine, and zygomatic bones. | D. zygomatic and sphenoid bones. |
Q (16) | The medial wall of the orbit is formed by the | |
ANSWER | A. frontal and sphenoid bones. | B. sphenoid, ethmoid, lacrimal, and maxilla bones. |
| C. maxilla, palatine, and zygomatic bones. | D. zygomatic and sphenoid bones. |
Q (17) | The inferior wall (or floor) of the orbit is formed by the | |
ANSWER | A. frontal and sphenoid bones. | B. sphenoid, ethmoid, lacrimal, and maxilla bones. |
| C. maxilla, palatine, and zygomatic bones. | D. zygomatic and sphenoid bones. |
Q (18) | The lateral wall of the orbit is formed by the | |
ANSWER | A. frontal and sphenoid bones. | B. sphenoid, ethmoid, lacrimal, and maxilla bones. |
| C. maxilla, palatine, and zygomatic bones. | D. zygomatic and sphenoid bones. |
Q (19) | Feature(s) that is(are) related to the superior wall (or roof) of the orbit: | |
ANSWER | A. Trochlear fovea (or notch, spine) and fossa for lacrimal gland | B. Fossa for lacrimal sac and lacrimal groove (or sulcus) |
| C. Infraorbital groove and canal | D. Whitnall’s tubercle |
Q (20) | Feature(s) that is(are) related to the medial wall of the orbit: | |
ANSWER | A. Trochlear fovea (or notch, spine) and fossa for lacrimal gland | B. Fossa for lacrimal sac and lacrimal groove (or sulcus) |
| C. Infraorbital groove and canal | D. Whitnall’s tubercle |
Q (21) | Feature(s) that is(are) related to the inferior wall (or floor) of the orbit: | |
ANSWER | A. Trochlear fovea (or notch, spine) and fossa for lacrimal gland | B. Fossa for lacrimal sac and lacrimal groove (or sulcus) |
| C. Infraorbital groove and canal | D. Whitnall’s tubercle |
Q (22) | Feature(s) that is(are) related to the lateral wall of the orbit: | |
ANSWER | A. Trochlear fovea (or notch, spine) and fossa for lacrimal gland | B. Fossa for lacrimal sac and lacrimal groove (or sulcus) |
| C. Infraorbital groove and canal | D. Whitnall’s tubercle |
Q (23) | The thinnest wall of the orbit is the | |
ANSWER | A. superior wall (or roof). | B. medial wall. |
| C. inferior wall (or floor). | D. lateral wall. |
Q (24) | The thickest and the strongest wall of the orbit is the | |
ANSWER | A. superior wall (or roof). | B. medial wall. |
| C. inferior wall (or floor). | D. lateral wall. |
Q (25) | The apex of the orbit is directed | |
ANSWER | A. anterolaterally. | B. posteromedially. |
Q (26) | The large anterior opening of the orbit bordered by a bone edge is called the orbital opening (or orbital aditus). | |
ANSWER | A. TRUE | B. FALSE |
Q (27) | The following are posterior openings in the orbital cavity EXCEPT the | |
ANSWER | A. superior orbital fissure. | B. inferior orbital fissure. |
| C. optic canal. | D. nasolacrimal canal. |
Q (28) | The orbital opening (or orbital aditus) is related to the | |
ANSWER | A. base of the orbit. | B. apex of the orbit. |
Q (29) | The optic canal is related to the | |
ANSWER | A. base of the orbit. | B. apex of the orbit. |
Q (30) | The superior orbital fissure which is located in between the lateral wall and the roof of the orbit, opens into the | |
ANSWER | A. middle cranial fossa. | B. pterygopalatine and infratemporal fossae. |
Q (31) | The inferior orbital fissure which is located in between the lateral wall and the floor of the orbit, opens into the | |
ANSWER | A. middle cranial fossa. | B. pterygopalatine and infratemporal fossae. |
Q (32) | Two small openings in the medial wall of the orbit are the | |
ANSWER | A. anterior and posterior ethmoidal foramina. | B. zygomaticotemporal and zygomaticofacial foramina. |
Q (33) | Two small openings in the lateral wall of the orbit are the | |
ANSWER | A. anterior and posterior ethmoidal foramina. | B. zygomaticotemporal and zygomaticofacial foramina. |
Q (34) | The supraorbital foramen (or notch) is located in the | |
ANSWER | A. frontal bone. | B. maxilla bone. |
Q (35) | The infraorbital foramen is located in the | |
ANSWER | A. frontal bone. | B. maxilla bone. |
Q (36) | The orbit is lined with the periorbita which is the periosteum of the orbit. | |
ANSWER | A. TRUE | B. FALSE |
Q (37) | The periorbita is continuous at the optic canal and the superior orbital fissure with the | |
ANSWER | A. periosteal layer of the dura mater. | B. pericranium. |
Q (38) | The periorbita is continuous over the orbital margins and through the inferior orbital fissure with the | |
ANSWER | A. periosteal layer of the dura mater. | B. pericranium. |
Q (39) | The periorbita is continuous with the | |
ANSWER | A. fascial sheaths of the extra-ocular muscles. | B. fascial sheath of the eyeball (or fascia bulbi, Tenon’s capsule). |
| C. orbital septa. | D. all of the above answers |
Q (40) | The fascial sheath of the eyeball (or fascia bulbi, Tenon’s capsule) separates the eyeball from the orbital fat. | |
ANSWER | A. TRUE | B. FALSE |
Q (41) | From superficial to deep, the layers of the eyelids (or palpebrae) are the skin, | |
ANSWER | A. loose connective tissue, palpebral part of orbicularis oculi, tarsal plates with orbital septum, and palpebral part of conjunctiva. | B. palpebral part of orbicularis oculi, tarsal plates with orbital septum, palpebral part of conjunctiva, and loose connective tissue. |
| C. tarsal plates with orbital septum, palpebral part of conjunctiva, loose connective tissue, and palpebral part of orbicularis oculi. | D. palpebral part of conjunctiva, loose connective tissue, palpebral part of orbicularis oculi, and tarsal plates with orbital septum. |
Q (42) | The upper eyelid is larger and more mobile than the lower eyelid. | |
ANSWER | A. TRUE | B. FALSE |
Q (43) | The upper eyelid contains the aponeurosis of levator palpebrae superioris. | |
ANSWER | A. TRUE | B. FALSE |
Q (44) | The palpebral fissure is a transverse opening that lies between the free margins of the upper and lower eyelids, which join at their extremities (termed canthi or palpebral commissures). | |
ANSWER | A. TRUE | B. FALSE |
Q (45) | The medial canthus or the inner canthus is also called the | |
ANSWER | A. nasal canthus. | B. temporal canthus. |
Q (46) | The lateral canthus or the outer canthus is also called the | |
ANSWER | A. nasal canthus. | B. temporal canthus. |
Q (47) | The medial canthus is separated from the eyeball by the lacrimal lake which contains the lacrimal caruncle. | |
ANSWER | A. TRUE | B. FALSE |
Q (48) | The upper eyelashes are longer and more numerous than the lower eyelashes. | |
ANSWER | A. TRUE | B. FALSE |
Q (49) | The superior and inferior tarsal plates (or tarsi) are dense fibrous tissue that are related to both upper and lower eyelids that provide support and determine eyelid form. | |
ANSWER | A. TRUE | B. FALSE |
Q (50) | The superior tarsus is larger than the inferior tarsus. | |
ANSWER | A. TRUE | B. FALSE |
Q (51) | The following ligament(s) is(are) located in the eyelids: | |
ANSWER | A. Medial and palpebral ligaments (or canthal ligaments) | B. Medial and lateral check ligaments (or Mauchart’s ligaments) |
| C. Suspensory ligament of the eye (or Lockwood’s ligament) | D. Suspensory ligament of the lacrimal gland (or Whitnall’s ligament) |
Q (52) | The suspensory ligament of the lens is also called the ciliary zonule (of Zinn). | |
ANSWER | A. TRUE | B. FALSE |
Q (53) | Apart from the suspensory ligament of the eye (or Lockwood’s ligament), the following are structures which are also attached to the Whitnall’s tubercle EXCEPT the | |
ANSWER | A. lateral horn of the levator aponeurosis. | B. lateral canthal tendon. |
| C. check ligament of the lateral rectus muscle. | D. check ligament of the medial rectus muscle. |
Q (54) | Feature(s) that is(are) related to the conjunctiva: | |
ANSWER | A. Palpebral and bulbar parts | B. Superior and inferior fornices |
| C. Conjunctival sac | D. All of the above answers |
Q (55) | The following are regions that are related to the palpebral part of conjunctiva: | |
ANSWER | A. Marginal, tarsal, and orbital | B. Bulbar and limbal |
Q (56) | The following are regions that are related to the bulbar part of conjunctiva: | |
ANSWER | A. Marginal, tarsal, and orbital | B. Bulbar and limbal |
Q (57) | The following are the voluntary muscles in the orbit: | |
ANSWER | A. Levator palpebrae superioris, superior rectus, medial rectus, inferior rectus, lateral rectus, superior oblique, and inferior oblique | B. Superior tarsal, inferior tarsal, and orbitalis |
| C. Ciliary muscle (or ciliaris), pupillary sphincter muscle (or sphincter pupillae), and pupillary dilator muscle (or dilator pupillae) |
|
Q (58) | The following are the involuntary muscles in the orbit: | |
ANSWER | A. Levator palpebrae superioris, superior rectus, medial rectus, inferior rectus, lateral rectus, superior oblique, and inferior oblique | B. Superior tarsal, inferior tarsal, and orbitalis |
| C. Ciliary muscle (or ciliaris), pupillary sphincter muscle (or sphincter pupillae), and pupillary dilator muscle (or dilator pupillae) |
|
Q (59) | The following are the involuntary muscles within the eyeball (or intrinsic ocular muscles, intra-ocular muscles): | |
ANSWER | A. Levator palpebrae superioris, superior rectus, medial rectus, inferior rectus, lateral rectus, superior oblique, and inferior oblique | B. Superior tarsal, inferior tarsal, and orbitalis |
| C. Ciliary muscle (or ciliaris), pupillary sphincter muscle (or sphincter pupillae), and pupillary dilator muscle (or dilator pupillae) |
|
Q (60) | The following are considered the eyelid muscles: | |
ANSWER | A. Palpebral part of orbicularis oculi | B. Levator palpebrae superioris |
| C. Superior tarsal (or Muller’s muscle) | D. All of the above answers |
Q (61) | The following are the voluntary extra-ocular muscles that move the eyeball: | |
ANSWER | A. Superior rectus, medial rectus, inferior rectus, lateral rectus, superior oblique, and inferior oblique | B. Superior tarsal, inferior tarsal, and orbitalis |
| C. Ciliary muscle (or ciliaris), pupillary sphincter muscle (or sphincter pupillae), and pupillary dilator muscle (or dilator pupillae) |
|
Q (62) | The action of the medial rectus muscle is | |
ANSWER | A. inward movement of the eyeball (or adduction). | B. outward movement of the eyeball (or abduction). |
Q (63) | The action of the lateral rectus muscle is | |
ANSWER | A. inward movement of the eyeball (or adduction). | B. outward movement of the eyeball (or abduction). |
Q (64) | The actions of the superior rectus muscle are | |
ANSWER | A. upward movement of the eyeball (or elevation), inward movement of the eyeball (or adduction), and intorsion of the eyeball (or medial rotation). | B. downward movement of the eyeball (or depression), inward movement of the eyeball (or adduction), and extorsion of the eyeball (or lateral rotation). |
| C. downward movement of the eyeball (or depression), outward movement of the eyeball (or abduction), and intorsion of the eyeball (or medial rotation). | D. upward movement of the eyeball (or elevation), outward movement of the eyeball (or abduction), and extorsion of the eyeball (or lateral rotation). |
Q (65) | The actions of the inferior rectus muscle are | |
ANSWER | A. upward movement of the eyeball (or elevation), inward movement of the eyeball (or adduction), and intorsion of the eyeball (or medial rotation). | B. downward movement of the eyeball (or depression), inward movement of the eyeball (or adduction), and extorsion of the eyeball (or lateral rotation). |
| C. downward movement of the eyeball (or depression), outward movement of the eyeball (or abduction), and intorsion of the eyeball (or medial rotation). | D. upward movement of the eyeball (or elevation), outward movement of the eyeball (or abduction), and extorsion of the eyeball (or lateral rotation). |
Q (66) | The actions of the superior oblique muscle are | |
ANSWER | A. upward movement of the eyeball (or elevation), inward movement of the eyeball (or adduction), and intorsion of the eyeball (or medial rotation). | B. downward movement of the eyeball (or depression), inward movement of the eyeball (or adduction), and extorsion of the eyeball (or lateral rotation). |
| C. downward movement of the eyeball (or depression), outward movement of the eyeball (or abduction), and intorsion of the eyeball (or medial rotation). | D. upward movement of the eyeball (or elevation), outward movement of the eyeball (or abduction), and extorsion of the eyeball (or lateral rotation). |
Q (67) | The actions of the inferior oblique muscle are | |
ANSWER | A. upward movement of the eyeball (or elevation), inward movement of the eyeball (or adduction), and intorsion of the eyeball (or medial rotation). | B. downward movement of the eyeball (or depression), inward movement of the eyeball (or adduction), and extorsion of the eyeball (or lateral rotation). |
| C. downward movement of the eyeball (or depression), outward movement of the eyeball (or abduction), and intorsion of the eyeball (or medial rotation). | D. upward movement of the eyeball (or elevation), outward movement of the eyeball (or abduction), and extorsion of the eyeball (or lateral rotation). |
Q (68) | A common tendinous ring | |
ANSWER | A. is located at the apex of the orbit. | B. surrounds the optic canal and part of the superior orbital fissure. |
| C. serves as the origin for the four (4) of the extra-ocular (recti) muscles. | D. all of the above answers |
Q (69) | The following are glands that are related to the eyelids: | |
ANSWER | A. Glands of Zeis (modified sebaceous glands associated with the cilia) | B. Glands of Moll (modified sweat glands) |
| C. Meibomian (or tarsal) glands | D. All of the above answers |
Q (70) | The main lacrimal gland which is lobulated and tubulo-acinar form has a large orbital part and a small palpebral part. | |
ANSWER | A. TRUE | B. FALSE |
Q (71) | The large orbital part of the main lacrimal gland occupies the | |
ANSWER | A. anterolateral roof of the orbit. | B. lateral part of the superior conjunctival fornix. |
Q (72) | The small palpebral part of the main lacrimal gland occupies the | |
ANSWER | A. anterolateral roof of the orbit. | B. lateral part of the superior conjunctival fornix. |
Q (73) | The accessory lacrimal glands (glands of Krause and Wolfring) occur in or near the superior conjunctival fornix. | |
ANSWER | A. TRUE | B. FALSE |
Q (74) | The accessory lacrimal glands are more numerous in the | |
ANSWER | A. upper eyelid. | B. lower eyelid. |
Q (75) | In sequence, the lacrimal apparatus and tear drainage system consists of the lacrimal gland and its excretory ducts, conjunctival sac, lacrimal puncta, lacrimal canaliculi, lacrimal sac, and the nasolacrimal duct. | |
ANSWER | A. TRUE | B. FALSE |
Q (76) | The lacrimal canaliculi are lined by | |
ANSWER | A. stratified squamous epithelium. | B. stratified cuboidal epithelium. |
Q (77) | The eyeball is also called the bulbus oculi. | |
ANSWER | A. TRUE | B. FALSE |
Q (78) | The coats (or tunics) of the eyeball are the | |
ANSWER | A. outer fibrous coat. | B. middle vascular coat. |
| C. inner neural coat. | D. all of the above answers |
Q (79) | The outer fibrous coat of the eyeball consists of the | |
ANSWER | A. sclera and cornea. | B. choroid, ciliary body, and iris. |
| C. retina. |
|
Q (80) | The middle vascular coat of the eyeball consists of the | |
ANSWER | A. sclera and cornea. | B. choroid, ciliary body, and iris. |
| C. retina. |
|
Q (81) | The inner neural coat of the eyeball is consists of the | |
ANSWER | A. sclera and cornea. | B. choroid, ciliary body, and iris. |
| C. retina. |
|
Q (82) | Regarding the outer fibrous coat of the eyeball, the features of white, opaque, and posterior 5/6 are related to the | |
ANSWER | A. sclera. | B. cornea. |
Q (83) | Regarding the outer fibrous coat of the eyeball, the features of transparent and anterior 1/6 are related to the | |
ANSWER | A. sclera. | B. cornea. |
Q (84) | The circular posterior area of sclera (or lamina cribrosa sclerae) is perforated by the fibres of the optic nerve, ciliary arteries and nerves, and their associated veins, the venae vorticosae. | |
ANSWER | A. TRUE | B. FALSE |
Q (85) | The sclera is separated from the fascial sheath of the eyeball (or fascia bulbi, Tenon’s capsule) by the episcleral space. | |
ANSWER | A. TRUE | B. FALSE |
Q (86) | From superficial to deep, the five (5) layers of the cornea are the noncornified stratified squamous epithelial layer directly continuous with the conjunctiva, | |
ANSWER | A. anterior limiting lamina (or Bowman’s membrane), connective tissue stroma (or substantia propria), posterior limiting lamina (or Descemet’s membrane), and posterior epithelium (or endothelium). | B. connective tissue stroma (or substantia propria), posterior limiting lamina (or Descemet’s membrane), posterior epithelium (or endothelium), and anterior limiting lamina (or Bowman’s membrane). |
| C. posterior limiting lamina (or Descemet’s membrane), posterior epithelium (or endothelium), anterior limiting lamina (or Bowman’s membrane), and connective tissue stroma (or substantia propria). | D. posterior epithelium (or endothelium), anterior limiting lamina (or Bowman’s membrane), connective tissue stroma (or substantia propria), and posterior limiting lamina (or Descemet’s membrane). |
Q (87) | The corneoscleral junction (or limbus) contains the canal of Schlemm (or sinus venosus sclerae). | |
ANSWER | A. TRUE | B. FALSE |
Q (88) | The middle vascular coat of the eyeball is also called the uvea or uveal tract. | |
ANSWER | A. TRUE | B. FALSE |
Q (89) | The following are the feature(s) of the choroid: | |
ANSWER | A. Dark reddish-brown membrane | B. Posterior 2/3 of middle vascular coat |
| C. Firmly attached to retina, but easily stripped from sclera | D. All of the above answers |
Q (90) | From external to internal, the four (4) layers of the choroid that can be identified in transverse section are the | |
ANSWER | A. suprachoroid, vascular stroma, choriocapillaris, and lamina vitrea (or Bruch’s membrane). | B. vascular stroma, choriocapillaris, lamina vitrea (or Bruch’s membrane), and suprachoroid. |
| C. choriocapillaris, lamina vitrea (or Bruch’s membrane), suprachoroid, and vascular stroma. | D. lamina vitrea (or Bruch’s membrane), suprachoroid, vascular stroma, and choriocapillaris. |
Q (91) | The ciliary body is continuous and in between the choroid and the iris, in which the choroid (behind) and the iris (in front). | |
ANSWER | A. TRUE | B. FALSE |
Q (92) | The ciliary body consists of the | |
ANSWER | A. ciliary ring. | B. ciliary processes. |
| C. ciliary muscle. | D. all of the above answers |
Q (93) | From external to internal, the four (4) layers of the ciliary body that can be identified in cross section are the | |
ANSWER | A. supraciliary layer, ciliary muscle, ciliary stroma, and ciliary epithelium. | B. ciliary muscle, ciliary stroma, ciliary epithelium, and supraciliary layer. |
| C. ciliary stroma, ciliary epithelium, supraciliary layer, and ciliary muscle. | D. ciliary epithelium, supraciliary layer, ciliary muscle, and ciliary stroma. |
Q (94) | Meridionally, the ciliary body can be divided into the posterior smooth pars plana (or orbiculus ciliaris) and the anterior ridged pars plicata (corona ciliaris). | |
ANSWER | A. TRUE | B. FALSE |
Q (95) | The part of the ciliary body lies adjacent to the ora serrata: | |
ANSWER | A. Pars plana | B. Pars plicata |
Q (96) | The ciliary body provides attachment for the lens through the suspensory ligaments of the lens (or ciliary zonule of Zinn). | |
ANSWER | A. TRUE | B. FALSE |
Q (97) | The following is(are) feature(s) of the iris, which is the heavily pigmented coloured part of the eye: | |
ANSWER | A. Found between the cornea and lens | B. Represents the adjustable aperture of the eye which has a central opening, the pupil |
| C. Attached radially to the ciliary body and cornea by short pectinate ligaments | D. All of the above answers |
Q (98) | The eye colour depends on the pigment distribution in the iris, in which in the brown eyes, the pigment is | |
ANSWER | A. scattered throughout the iris. | B. limited to the posterior surface of iris. |
Q (99) | The eye colour depends on the pigment distribution in the iris, in which in the blue eyes, the pigment is | |
ANSWER | A. scattered throughout the iris. | B. limited to the posterior surface of iris. |
Q (100) | The following are the iris muscles EXCEPT the | |
ANSWER | A. sphincter pupillae. | B. dilator pupillae. |
| C. ciliaris. |
|
Q (101) | The inner neural coat of the eyeball, retina, is divisible into the visual part (or pars optica) and the nonvisual part (or pars ceca). | |
ANSWER | A. TRUE | B. FALSE |
Q (102) | The ora serrata is the junction point of retina where the pars optica transforms to pars ceca. | |
ANSWER | A. TRUE | B. FALSE |
Q (103) | These parts are related to the pars optica: | |
ANSWER | A. Pars pigmentosa and pars nervosa | B. Pars ciliaris and pars iridica |
Q (104) | These parts are related to the pars ceca: | |
ANSWER | A. Pars pigmentosa and pars nervosa | B. Pars ciliaris and pars iridica |
Q (105) | Pars optica consists of the following: | |
ANSWER | A. Optic disc (or blind spot) | B. Macula lutea (or yellow spot, area lateral to the optic disc) |
| C. Fovea centralis (central depressed area in the macula lutea) | D. All of the above answers |
Q (106) | The ten (10) retinal layers are distinguished from outside inwards:
| |
ANSWER | A. TRUE | B. FALSE |
Q (107) | The following are the cells of the retina:
| |
ANSWER | A. TRUE | B. FALSE |
Q (108) | The refractive media of the eye consists of the cornea, | |
ANSWER | A. aqueous humour. | B. lens. |
| C. vitreous humour (or vitreous body). | D. all of the above answers |
Q (109) | The eye is divided into the anterior and posterior segments. | |
ANSWER | A. TRUE | B. FALSE |
Q (110) | In the anterior segment of the eye, there are anterior and posterior chambers of the eye. | |
ANSWER | A. TRUE | B. FALSE |
Q (111) | The anterior chamber of the eye is between the | |
ANSWER | A. cornea and iris. | B. iris and lens. |
Q (112) | The posterior chamber of the eye is between the | |
ANSWER | A. cornea and iris. | B. iris and lens. |
Q (113) | The posterior segment of the eye is also called the vitreous chamber. | |
ANSWER | A. TRUE | B. FALSE |
Q (114) | Aqueous humour is produced by the ciliary epithelium. | |
ANSWER | A. TRUE | B. FALSE |
Q (115) | Aqueous humour passes through the pupil and circulates within the anterior chamber of the eye. | |
ANSWER | A. TRUE | B. FALSE |
Q (116) | Aqueous humour is drained from the eye mainly through the trabecular meshwork into the canal of Schlemm (or sinus venosus sclerae) at the filtration (or iridocorneal) angle. | |
ANSWER | A. TRUE | B. FALSE |
Q (117) | The lens is the transparent biconvex structure that is located between the anterior and posterior segments of the eye. | |
ANSWER | A. TRUE | B. FALSE |
Q (118) | The posterior surface of the lens lies in the hyaloid fossa of the vitreous body. | |
ANSWER | A. TRUE | B. FALSE |
Q (119) | The following is(are) the structure(s) of the lens: | |
ANSWER | A. Lens capsule | B. Anterior epithelium |
| C. Lens fibres | D. All of the above answers |
Q (120) | The vitreous body is a transparent, jelly-like mass which fills the posterior segment (posterior 4/5) of the eye. | |
ANSWER | A. TRUE | B. FALSE |