Question 1

Which structure of the neuron is primarily responsible for transmitting electrical impulses away from the cell body?

Accepted Answer

Axon

Question 2

A patient suffers a stroke affecting the left temporal lobe. Which function is most likely impaired?

Accepted Answer

Language comprehension

Question 3

Which part of the brain stem regulates heart rate and breathing?

Accepted Answer

Medulla oblongata

Question 4

In a sagittal section of the head, which structure is found directly posterior to the nasal cavity?

Accepted Answer

Pharynx

Question 5

Which ventricle of the brain is located between the right and left thalamus?

Accepted Answer

Third ventricle

Question 6

A spinal cord injury at the cervical region would most likely affect which function?

Accepted Answer

Both upper and lower limb movement

Question 7

Which skin receptor is most sensitive to light touch and is found in the dermal papillae?

Accepted Answer

Meissner's corpuscle

Question 8

Which muscle is responsible for moving the eyeball laterally?

Accepted Answer

Lateral rectus

Question 9

The lacrimal gland is primarily involved in which function?

Accepted Answer

Producing tears

Question 10

Which structure on the eye panel is responsible for controlling the amount of light entering the eye?

Accepted Answer

Iris

Question 11

A patient presents with loss of hearing due to damage in the cochlea. Which part of the ear model is affected?

Accepted Answer

Cochlea

Question 12

Which structure of the neuron contains the nucleus and most of the organelles?

Accepted Answer

Cell body (soma)

Question 13

If cerebrospinal fluid (CSF) flow is blocked at the cerebral aqueduct, which ventricle will accumulate fluid?

Accepted Answer

Third ventricle

Question 14

Which structure in the spinal cord model is responsible for transmitting motor signals from the brain to the body?

Accepted Answer

Ventral root

Question 15

A patient with damage to the occipital lobe would most likely experience which deficit?

Accepted Answer

Impaired vision

Question 16

Which equation best represents the resting membrane potential of a neuron?

Accepted Answer

$$V_{m} = \frac{RT}{F} \ln \left( \frac{[K^+]_{out}}{[K^+]_{in}} \right)$$

Question 17

Which skin receptor is most likely to detect deep pressure and vibration?

Accepted Answer

Pacinian corpuscle

Question 18

Which structure in the ear is responsible for maintaining balance?

Accepted Answer

Semicircular canals

Question 19

A patient with damage to the pons may experience difficulty with which function?

Accepted Answer

Regulating breathing rhythm

Question 20

Which equation describes the flow of cerebrospinal fluid (CSF) from the lateral ventricles to the fourth ventricle?

Accepted Answer

$$Lateral\ ventricles \rightarrow Interventricular\ foramen \rightarrow Third\ ventricle \rightarrow Cerebral\ aqueduct \rightarrow Fourth\ ventricle$$

Study Guide: Nervous System, Special Senses, and Related Structures

Study Guide - Practice Questions

Study Guide - Flashcards