Question 1

Which of the following best describes the primary function of glial cells in the nervous system?

Accepted Answer

They provide support, nourishment, and insulation for neurons.

Question 2

A patient suffers a stroke that damages Broca’s area. Which symptom is most likely to result from this injury?

Accepted Answer

Difficulty producing fluent speech while comprehension remains relatively intact.

Question 3

Which neurotransmitter is most directly involved in muscle contraction and is also linked to memory formation?

Accepted Answer

Acetylcholine (Ach)

Question 4

A drug that binds to a receptor site and mimics the effect of a neurotransmitter is called:

Accepted Answer

An agonist

Question 5

Which brain structure is primarily responsible for regulating basic life functions such as breathing and heart rate?

Accepted Answer

Medulla

Question 6

A person with damage to the hippocampus would most likely experience which of the following?

Accepted Answer

Difficulty forming new memories

Question 7

Which of the following best describes the function of the corpus callosum?

Accepted Answer

It connects the two cerebral hemispheres, allowing communication between them.

Question 8

If a person’s sympathetic nervous system is activated, which physiological response is most likely to occur?

Accepted Answer

Increased heart rate and dilated pupils

Question 9

Which lobe of the brain contains the primary visual cortex?

Accepted Answer

Occipital lobe

Question 10

A person is unable to move their right arm after a brain injury. Which area of the brain is most likely damaged?

Accepted Answer

Left motor cortex in the frontal lobe

Question 11

Which of the following best defines the term 'neurotransmission'?

Accepted Answer

The process by which chemical signals are transmitted across the synaptic gap between neurons.

Question 12

Which structure in the limbic system is most closely associated with processing emotions such as fear and aggression?

Accepted Answer

Amygdala

Question 13

A person with spatial neglect is most likely to have damage in which area of the brain?

Accepted Answer

Right parietal lobe

Question 14

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

Accepted Answer

Transmitting sensory information from the skin to the central nervous system

Question 15

Which of the following best describes the role of the thalamus?

Accepted Answer

It relays sensory information to the appropriate areas of the cortex.

Question 16

A person is given a drug that blocks the action of dopamine at receptor sites. This drug is acting as:

Accepted Answer

An antagonist

Question 17

Which of the following is TRUE about the left hemisphere of the brain?

Accepted Answer

It is typically dominant for language and analytical processing.

Question 18

Which of the following best explains why myelin is important for neural communication?

Accepted Answer

It increases the speed of electrical impulses along the axon.

Question 19

A person with Wernicke’s aphasia would most likely:

Accepted Answer

Speak fluently but have difficulty understanding language.

Question 20

Which of the following scenarios best illustrates the function of the parasympathetic nervous system?

Accepted Answer

A person’s body returns to a state of calm after a stressful event, with slowed heart rate and increased digestion.

The Biological Perspective: Nervous System and Brain Structure

Guida di studio - Domande di pratica