Question 1

Which of the following correctly describes the order of the layers of the eye from outermost to innermost?

Accepted Answer

Fibrous layer, Vascular layer, Neural layer

Question 2

A patient presents with difficulty seeing in low light conditions. Which part of the eye is most likely affected?

Accepted Answer

Rods in the neural layer

Question 3

Which cranial nerve is primarily responsible for transmitting visual information from the retina to the brain?

Accepted Answer

Optic nerve (Cranial Nerve II)

Question 4

Which of the following best describes the function of the choroid in the eye?

Accepted Answer

Provides blood supply to the retina

Question 5

A person is unable to distinguish between sweet and bitter tastes. Which cranial nerves are most likely involved?

Accepted Answer

Facial (VII) and Glossopharyngeal (IX)

Question 6

Which of the following best explains why the optic disc is known as the 'blind spot'?

Accepted Answer

It lacks photoreceptors

Question 7

Which neurotransmitter is released by all preganglionic neurons in both the sympathetic and parasympathetic nervous systems?

Accepted Answer

Acetylcholine

Question 8

A patient has damage to the semicircular canals. Which sense is most likely to be affected?

Accepted Answer

Dynamic equilibrium

Question 9

Which of the following statements best describes the difference between the somatic and autonomic nervous systems?

Accepted Answer

The somatic nervous system controls voluntary muscles, while the autonomic nervous system controls involuntary muscles and glands.

Question 10

Which of the following best describes the pathway of light through the eye to the retina?

Accepted Answer

Cornea → Aqueous humor → Lens → Vitreous humor → Retina

Question 11

Which of the following is a function of the parasympathetic nervous system?

Accepted Answer

Decreasing heart rate

Question 12

Which neurotransmitter is released by most postganglionic sympathetic neurons?

Accepted Answer

Norepinephrine

Question 13

A person is exposed to a loud sound and experiences temporary hearing loss. Which structure is most likely damaged?

Accepted Answer

Hair cells in the cochlea

Question 14

Which of the following best describes the function of the lens in the eye?

Accepted Answer

Focuses light onto the retina

Question 15

Which of the following is NOT a taste sensation detected by the human tongue?

Accepted Answer

Spicy

Question 16

Which of the following best explains why damage to the right optic tract causes loss of vision in the left visual field of both eyes?

Accepted Answer

The right optic tract carries information from the left visual field of both eyes after the optic chiasm.

Question 17

Which of the following is a characteristic of the sympathetic nervous system?

Accepted Answer

Short preganglionic and long postganglionic fibers

Question 18

Which of the following best describes the function of the eustachian (auditory) tube?

Accepted Answer

Equalizes air pressure between the middle ear and the atmosphere

Question 19

Which of the following is true regarding the difference between rods and cones in the retina?

Accepted Answer

Rods are more sensitive to low light, while cones detect color.

Question 20

A patient is unable to produce tears. Which cranial nerve is most likely affected?

Accepted Answer

Facial nerve (VII)

Study Guide: The Special Senses & The Autonomic Nervous System

Study Guide - Practice Questions