Question 1

The receptors for hearing and balance

Accepted Answer

A) when activated send electrical signals (action potentials) along CN VIII. 
B) when activated send action potentials to the occipital lobe. 
C) activate only the cochlear nerves. 
D) are middle ear structures. 
A) when activated send electrical signals (action potentials) along CN VIII. 
B) when activated send action potentials to the occipital lobe. 
C) activate only the cochlear nerves. 
D) are middle ear structures.

Question 2

These hairlike receptors are located in the cochlea.

Accepted Answer

A) Ossicles 
B) Rods and cones 
C) Organ of Corti 
D) Adenoids 
A) Ossicles 
B) Rods and cones 
C) Organ of Corti 
D) Adenoids

Question 3

What is the function of the vestibule and the semicircular canals?

Accepted Answer

A) Hearing 
B) Smell 
C) Balance 
D) Touch and pressure 
A) Hearing 
B) Smell 
C) Balance 
D) Touch and pressure

Question 4

Mydriasis

Accepted Answer

A) refers to pupillary dilation. 
B) is a response to muscarinic activation. 
C) occurs when the circular muscle of the iris constricts. 
D) reduces the amount of light that enters the eye. 
A) refers to pupillary dilation. 
B) is a response to muscarinic activation. 
C) occurs when the circular muscle of the iris constricts. 
D) reduces the amount of light that enters the eye.

Question 5

Which structure is affected by the contraction and relaxation of the ciliary muscles?

Accepted Answer

A) Cornea 
B) Lens 
C) Macula lutea 
D) Optic chiasm 
A) Cornea 
B) Lens 
C) Macula lutea 
D) Optic chiasm

Question 6

What is the condition caused by unequal tension exerted by the extrinsic eye muscles?

Accepted Answer

A) Pink eye 
B) Strabismus 
C) Glaucoma 
D) Cataracts 
A) Pink eye 
B) Strabismus 
C) Glaucoma 
D) Cataracts

Question 7

Which of the following equipment is used to elicit the photopupillary reflex?

Accepted Answer

A) Hammer 
B) Penlight 
C) Bell 
D) Snellen chart 
A) Hammer 
B) Penlight 
C) Bell 
D) Snellen chart

Question 8

Which structure is attached to the lens,causing its shape to be changed?

Accepted Answer

A) Retina 
B) Iris 
C) Cornea 
D) Suspensory ligaments 
A) Retina 
B) Iris 
C) Cornea 
D) Suspensory ligaments

Question 9

Rods and cones are

Accepted Answer

A) glial cells. 
B) refracting structures. 
C) visual reflexes. 
D) visual receptors. 
A) glial cells. 
B) refracting structures. 
C) visual reflexes. 
D) visual receptors.

Question 10

What is the effect of contraction and relaxation of the ciliary muscle?

Accepted Answer

A) Dilated pupil 
B) Change in the shape of the lens 
C) Raised eyelid 
D) Blinking 
A) Dilated pupil 
B) Change in the shape of the lens 
C) Raised eyelid 
D) Blinking

Question 11

Myopia,farsightedness,and astigmatism are

Accepted Answer

A) errors of refraction. 
B) infections of the eye. 
C) types of strabismus. 
D) conditions of elevated intraocular pressure. 
A) errors of refraction. 
B) infections of the eye. 
C) types of strabismus. 
D) conditions of elevated intraocular pressure.

Question 12

Vertigo

Accepted Answer

A) refers to ringing or buzzing in the ear. 
B) is apt to stimulate the emetic center. 
C) is most apt to be caused by external ear infection. 
D) refers to a cerumen-impacted tympanic membrane. 
A) refers to ringing or buzzing in the ear. 
B) is apt to stimulate the emetic center. 
C) is most apt to be caused by external ear infection. 
D) refers to a cerumen-impacted tympanic membrane.

Question 13

Lysozyme,an enzyme with antimicrobial activity,is found in

Accepted Answer

A) tears. 
B) vitreous humor. 
C) aqueous humor. 
D) endolymph. 
A) tears. 
B) vitreous humor. 
C) aqueous humor. 
D) endolymph.

Question 14

Which of the following structures is located outside the eye?

Accepted Answer

A) Conjunctiva 
B) Ciliary body 
C) Lens 
D) Vitreous humor 
A) Conjunctiva 
B) Ciliary body 
C) Lens 
D) Vitreous humor

Question 15

The conjunctiva

Accepted Answer

A) covers the cornea. 
B) is a mucous membrane. 
C) contains blood vessels that nourish the retina. 
D) secretes aqueous humor. 
A) covers the cornea. 
B) is a mucous membrane. 
C) contains blood vessels that nourish the retina. 
D) secretes aqueous humor.

Question 16

Which of the following vibrates in direct response to the tympanic membrane?

Accepted Answer

A) Hammer 
B) Endolymph 
C) Organ of Corti 
D) Semicircular canals 
A) Hammer 
B) Endolymph 
C) Organ of Corti 
D) Semicircular canals

Question 17

Which of the following words best explains phantom limb pain?

Accepted Answer

A) Adaptation 
B) Cerebral lateralization 
C) Projection 
D) Convergence 
A) Adaptation 
B) Cerebral lateralization 
C) Projection 
D) Convergence

Question 18

The fovea centralis and macula lutea

Accepted Answer

A) secrete aqueous humor. 
B) are richly populated with cones. 
C) are primarily responsible for night vision. 
D) cover the surface of the optic disc. 
A) secrete aqueous humor. 
B) are richly populated with cones. 
C) are primarily responsible for night vision. 
D) cover the surface of the optic disc.

Question 19

The medial canthus and lateral canthus are

Accepted Answer

A) corners of the eye where the upper and lower eyelids meet. 
B) lacrimal glands. 
C) ducts through which tears drain into the nose. 
D) sites of attachment for the medial and lateral rectus muscles. 
A) corners of the eye where the upper and lower eyelids meet. 
B) lacrimal glands. 
C) ducts through which tears drain into the nose. 
D) sites of attachment for the medial and lateral rectus muscles.

Question 20

Bending of light waves is

Accepted Answer

A) called convergence. 
B) the function of the lens. 
C) called accommodation. 
D) determined by CNs III,IV,and VI. 
A) called convergence. 
B) the function of the lens. 
C) called accommodation. 
D) determined by CNs III,IV,and VI.

Exam 13: Sensory System

The receptors for hearing and balance

These hairlike receptors are located in the cochlea.

What is the function of the vestibule and the semicircular canals?

Mydriasis

Which structure is affected by the contraction and relaxation of the ciliary muscles?

What is the condition caused by unequal tension exerted by the extrinsic eye muscles?

Which of the following equipment is used to elicit the photopupillary reflex?

Which structure is attached to the lens,causing its shape to be changed?

Rods and cones are

What is the effect of contraction and relaxation of the ciliary muscle?

Myopia,farsightedness,and astigmatism are

Vertigo

Lysozyme,an enzyme with antimicrobial activity,is found in

Which of the following structures is located outside the eye?

The conjunctiva

Which of the following vibrates in direct response to the tympanic membrane?

Which of the following words best explains phantom limb pain?

The fovea centralis and macula lutea

The medial canthus and lateral canthus are

Bending of light waves is

Introduction to the Human Body

Basic Chemistry

Cells

Cell Metabolism

Microbiology Basics

Tissues and Membranes

Integumentary System and Body Temperature

Skeletal System

Muscular System

Nervous System: Nervous Tissue and Brain

Nervous System: Spinal Cord and Peripheral Nerves

Autonomic Nervous System

Endocrine System

Blood

Anatomy of the Heart

Function of the Heart

Anatomy of the Blood Vessels and Special Circulations

Functions of the Blood Vessels

Lymphatic System

Immune System

Respiratory System

Digestive System

Urinary System

Water, Electrolyte, and Acidbase Balance

Reproductive Systems

Human Development and Heredity

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