Question 1

The Eustachian tube connects the pharynx (throat) with which structure?

Accepted Answer

A) Cochlea 
B) Semicircular canals 
C) Middle ear 
D) External auditory meatus 
A) Cochlea 
B) Semicircular canals 
C) Middle ear 
D) External auditory meatus

Question 2

The gustatory sensation is most related to the

Accepted Answer

A) eighth cranial nerve. 
B) rods and cones. 
C) organ of Corti. 
D) taste buds. 
A) eighth cranial nerve. 
B) rods and cones. 
C) organ of Corti. 
D) taste buds.

Question 3

Pinpoint pupils

Accepted Answer

A) describe the size of the pupils in a darkened room. 
B) are caused by the contraction of the circular muscles of the iris. 
C) are caused by mydriatic drugs. 
D) are caused by the contraction of the radial muscles of the iris. 
A) describe the size of the pupils in a darkened room. 
B) are caused by the contraction of the circular muscles of the iris. 
C) are caused by mydriatic drugs. 
D) are caused by the contraction of the radial muscles of the iris.

Question 4

The levator palpebrae superioris

Accepted Answer

A) moves the eyeball. 
B) closes the eye. 
C) raises the eyebrows as in the "surprised" look. 
D) lifts the eyelids when contracted. 
A) moves the eyeball. 
B) closes the eye. 
C) raises the eyebrows as in the "surprised" look. 
D) lifts the eyelids when contracted.

Question 5

With which of the following is the spinothalamic tract associated?

Accepted Answer

A) Sensation of touch,pressure,temperature,and pain 
B) Photopupillary reflex 
C) Movement of the eyeballs 
D) Primary motor cortex 
A) Sensation of touch,pressure,temperature,and pain 
B) Photopupillary reflex 
C) Movement of the eyeballs 
D) Primary motor cortex

Question 6

Refracted light should focus on the

Accepted Answer

A) lens. 
B) optic chiasm. 
C) optic disc. 
D) retina. 
A) lens. 
B) optic chiasm. 
C) optic disc. 
D) retina.

Question 7

Which of the following is least related to the optic nerve?

Accepted Answer

A) Cranial nerve II 
B) Sensory nerve 
C) Conveys information from the retina to the occipital lobe 
D) Innervates the extrinsic eye muscles 
A) Cranial nerve II 
B) Sensory nerve 
C) Conveys information from the retina to the occipital lobe 
D) Innervates the extrinsic eye muscles

Question 8

Olfaction refers to the sense of

Accepted Answer

A) vision. 
B) taste. 
C) smell. 
D) equilibrium. 
A) vision. 
B) taste. 
C) smell. 
D) equilibrium.

Question 9

Which of the following is true of the cochlea,organ of Corti,and CN VIII? All are

Accepted Answer

A) concerned with hearing. 
B) concerned with balance. 
C) middle ear structures. 
D) concerned with bone conduction. 
A) concerned with hearing. 
B) concerned with balance. 
C) middle ear structures. 
D) concerned with bone conduction.

Question 10

The superior rectus muscle

Accepted Answer

A) causes miosis. 
B) causes mydriasis. 
C) moves the eyeball. 
D) regulates accommodation. 
A) causes miosis. 
B) causes mydriasis. 
C) moves the eyeball. 
D) regulates accommodation.

Question 11

What is the name of the venous sinuses that drain the aqueous humor?

Accepted Answer

A) Lateral canthus 
B) Macula lutea 
C) Canal of Schlemm 
D) Pupil 
A) Lateral canthus 
B) Macula lutea 
C) Canal of Schlemm 
D) Pupil

Question 12

Which of the following best describes pupillary dilation?

Accepted Answer

A) Miosis 
B) Refraction 
C) Amblyopia 
D) Mydriasis 
A) Miosis 
B) Refraction 
C) Amblyopia 
D) Mydriasis

Question 13

Eyelids are described by which of the following?

Accepted Answer

A) Palpebrae and canthi (medial and lateral) 
B) Circular and radial muscles 
C) Cornea and sclera 
D) Accommodation and convergence 
A) Palpebrae and canthi (medial and lateral) 
B) Circular and radial muscles 
C) Cornea and sclera 
D) Accommodation and convergence

Question 14

Which of the following is most related to the sense of hearing?

Accepted Answer

A) Semicircular canals 
B) First cranial nerve 
C) Organ of Corti 
D) Vestibular nerve 
A) Semicircular canals 
B) First cranial nerve 
C) Organ of Corti 
D) Vestibular nerve

Question 15

The optic nerve

Accepted Answer

A) receives sensory information from mechanoreceptors. 
B) transmits sensory information to the temporal lobe. 
C) is cranial nerve III. 
D) receives sensory information from the retina. 
A) receives sensory information from mechanoreceptors. 
B) transmits sensory information to the temporal lobe. 
C) is cranial nerve III. 
D) receives sensory information from the retina.

Question 16

What is the condition caused by impaired drainage of aqueous humor through the canal of Schlemm that increases intraocular pressure?

Accepted Answer

A) Cataracts 
B) Glaucoma 
C) Strabismus 
D) Conjunctivitis 
A) Cataracts 
B) Glaucoma 
C) Strabismus 
D) Conjunctivitis

Question 17

Contraction of the radial muscles of the iris causes

Accepted Answer

A) mydriasis. 
B) pinpoint pupils. 
C) both eyeballs to gaze skyward. 
D) both eyeballs to deviate medially. 
A) mydriasis. 
B) pinpoint pupils. 
C) both eyeballs to gaze skyward. 
D) both eyeballs to deviate medially.

Question 18

The vitreous humor

Accepted Answer

A) is found in the anterior cavity of the eyeball. 
B) is drained through the canal of Schlemm. 
C) gently pushes the retina against the vascular choroid. 
D) circulates from the posterior cavity into the anterior cavity through the pupil. 
A) is found in the anterior cavity of the eyeball. 
B) is drained through the canal of Schlemm. 
C) gently pushes the retina against the vascular choroid. 
D) circulates from the posterior cavity into the anterior cavity through the pupil.

Question 19

The colored part of the eye that contains the intrinsic eye muscles,including the circular muscle and the radial muscles,is known as (the)

Accepted Answer

A) suspensory ligaments. 
B) iris. 
C) retina. 
D) macula lutea. 
A) suspensory ligaments. 
B) iris. 
C) retina. 
D) macula lutea.

Question 20

Tactile receptors are

Accepted Answer

A) located behind the lens in the vitreous humor. 
B) located within the semicircular canals. 
C) activated by touch and pressure. 
D) nociceptors. 
A) located behind the lens in the vitreous humor. 
B) located within the semicircular canals. 
C) activated by touch and pressure. 
D) nociceptors.

Exam 13: Sensory System

The Eustachian tube connects the pharynx (throat) with which structure?

The gustatory sensation is most related to the

Pinpoint pupils

The levator palpebrae superioris

With which of the following is the spinothalamic tract associated?

Refracted light should focus on the

Which of the following is least related to the optic nerve?

Olfaction refers to the sense of

Which of the following is true of the cochlea,organ of Corti,and CN VIII? All are

The superior rectus muscle

What is the name of the venous sinuses that drain the aqueous humor?

Which of the following best describes pupillary dilation?

Eyelids are described by which of the following?

Which of the following is most related to the sense of hearing?

The optic nerve

What is the condition caused by impaired drainage of aqueous humor through the canal of Schlemm that increases intraocular pressure?

Contraction of the radial muscles of the iris causes

The vitreous humor

The colored part of the eye that contains the intrinsic eye muscles,including the circular muscle and the radial muscles,is known as (the)

Tactile receptors are

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