Question 1

Which structure in the brain acts as the relay station for sensory impulses passing upward to the cerebral cortex?

Accepted Answer

Thalamus

Question 2

A patient presents with difficulty regulating body temperature and water balance. Which brain structure is most likely affected?

Accepted Answer

Hypothalamus

Question 3

Which of the following is NOT a function of the basal nuclei?

Accepted Answer

Relay station for sensory impulses

Question 4

During synaptic transmission, what happens immediately after the action potential arrives at the axon terminal?

Accepted Answer

Vesicle fuses with plasma membrane

Question 5

Which brain region is responsible for visual and auditory reflex centers?

Accepted Answer

Midbrain (corpora quadrigemina)

Question 6

If the primary motor cortex is damaged, which function is most likely impaired?

Accepted Answer

Voluntary movement of skeletal muscles

Question 7

Which of the following correctly describes the five elements of a reflex arc?

Accepted Answer

Sensory receptor, sensory neuron, integration center, motor neuron, effector organ

Question 8

Which part of the brain stem contains nuclei involved in the control of breathing?

Accepted Answer

Pons

Question 9

What is the primary function of the reticular activating system (RAS)?

Accepted Answer

Plays a role in awake/sleep cycles and consciousness

Question 10

Which lobe of the cerebral cortex is primarily responsible for processing visual information?

Accepted Answer

Occipital lobe

Question 11

A neurotransmitter binds to a receptor on the receiving neuron's membrane. What is the next step in the process?

Accepted Answer

Ion channel opens, allowing Na$$^+ to $$enter

Question 12

Which structure forms the roof of the third ventricle and houses the pineal body?

Accepted Answer

Epithalamus

Question 13

Which of the following is a function of the medulla oblongata?

Accepted Answer

Controls heart rate, blood pressure, breathing, swallowing, and vomiting

Question 14

Which of the following best describes the function of the hypothalamus?

Accepted Answer

Regulates body temperature, water balance, metabolism, and houses the limbic center for emotions

Question 15

Which of the following is NOT a characteristic of reflexes?

Accepted Answer

Voluntary

Question 16

Which brain region is responsible for the regulation of smooth muscles, heart, and blood pressure?

Accepted Answer

Autonomic reflex arc

Question 17

Which structure is composed mostly of fiber tracts and includes nuclei involved in the control of breathing?

Accepted Answer

Pons

Question 18

Which of the following is a correct sequence for the transmission of a nerve impulse across a synapse?

Accepted Answer

Action potential arrives → Vesicle fuses with plasma membrane → Neurotransmitter released → Neurotransmitter binds to receptor

Question 19

Which of the following is a function of the reticular formation?

Accepted Answer

Plays a role in awake/sleep cycles and consciousness

Question 20

Which of the following is the correct formula for the movement of sodium ions during synaptic transmission?

Accepted Answer

$$	ext{Na}^+ ightarrow 	ext{inside of receiving neuron}$$

Functional Anatomy of the Brain and Nervous System

Study Guide - Practice Questions