Psychology Degree FREE Psychology Degree Biological Bases of Behavior Questions and Answers 2

Question 1

Which neurotransmitter is most directly involved in the regulation of mood, sleep, and appetite?

Accepted Answer

Serotonin

Answer

Acetylcholine

Answer

Glutamate

Answer

GABA

Question 2

What is the primary function of the myelin sheath surrounding axons?

Accepted Answer

To increase the speed of neural impulse transmission

Answer

To produce neurotransmitters at the synapse

Answer

To regulate the resting potential of the neuron

Answer

To absorb excess ions from the extracellular fluid

Question 3

A patient with damage to Wernicke's area would most likely exhibit which symptom?

Accepted Answer

Difficulty comprehending spoken language

Answer

Inability to produce fluent speech

Answer

Loss of voluntary motor control

Answer

Impaired visual processing

Question 4

During an action potential, what event occurs during the depolarization phase?

Accepted Answer

Sodium ions rush into the cell through voltage-gated channels

Answer

Potassium ions flow out of the cell rapidly

Answer

The sodium-potassium pump restores resting potential

Answer

Chloride ions are actively transported into the neuron

Question 5

Which brain structure serves as the primary relay station for sensory information heading to the cerebral cortex?

Accepted Answer

Thalamus

Answer

Hypothalamus

Answer

Hippocampus

Answer

Amygdala

Question 6

Which division of the autonomic nervous system is responsible for the 'rest and digest' response?

Accepted Answer

Parasympathetic nervous system

Answer

Sympathetic nervous system

Answer

Somatic nervous system

Answer

Enteric nervous system