Question 1

Which of the following best explains how the eye adjusts to focus on objects at different distances (accommodation)?

Accepted Answer

By changing the shape of the lens

Question 2

A patient presents with conjunctivitis. Which structure is primarily affected?

Accepted Answer

Conjunctiva

Question 3

The conduction of sound from the middle ear to the inner ear is primarily due to the vibration of which structure against the oval window?

Accepted Answer

Stapes

Question 4

Which cells are responsible for detecting odors in the nasal cavity?

Accepted Answer

Ciliated neuroepithelial cells

Question 5

The optic disc is also known as the 'blind spot' because:

Accepted Answer

It is the exit point for the optic nerve

Question 6

Which layer forms the tough, outermost coat of the eyeball and is also called the fibrous tunic?

Accepted Answer

Sclera

Question 7

Photoreceptors (rods and cones) are located in which part of the eye?

Accepted Answer

Retina

Question 8

The sensory hair cells of the organ of Corti are found on the:

Accepted Answer

Basilar membrane

Question 9

Which taste sensations are detected by chemoreceptors in the taste buds?

Accepted Answer

Both sweet and salty

Question 10

The transparent, anterior portion of the fibrous layer of the eye is the:

Accepted Answer

Cornea

Question 11

When a bright light is shone into the eye, which reflex is triggered to protect the retina?

Accepted Answer

Photopupillary reflex

Question 12

Electrical signals from photoreceptors pass through a two-neuron chain before leaving the retina. What is the correct order?

Accepted Answer

Bipolar cells to ganglion cells

Question 13

A patient is diagnosed with myopia. Which of the following best describes their vision?

Accepted Answer

They are nearsighted

Question 14

The vestibular branch of cranial nerve VIII is responsible for transmitting information about:

Accepted Answer

Balance and equilibrium

Question 15

The maculae of the vestibule detect ______, while the cristae of the semicircular canals detect ______.

Accepted Answer

Static equilibrium; dynamic equilibrium

Question 16

Which of the following pairs are both classified as chemoreceptors?

Accepted Answer

Taste and smell

Question 17

The fovea centralis is unique because it:

Accepted Answer

Contains only cones and is the area of greatest visual acuity

Question 18

A patient with damage to the organ of Corti would most likely experience which type of hearing loss?

Accepted Answer

Sensorineural deafness

Question 19

Within the cochlea, the primary organ of hearing that contains the hair cells is the:

Accepted Answer

Organ of Corti

Question 20

A 25-year-old patient reports difficulty seeing distant objects clearly but can read a book up close without issue. Which corrective lens would be most appropriate, and what is the underlying optical principle?

Accepted Answer

Concave lens; to diverge light rays for myopia

Special Senses: Anatomy & Physiology Study Guide

Guida di studio - Domande di pratica

Study guide - Flashcard