FREE Psychology Degree Biological Bases of Behavior Questions and Answers

Question 1

A patient experiences a stroke that results in expressive aphasia, characterized by difficulty in producing fluent, grammatical speech, while language comprehension remains largely intact.
This clinical presentation is most indicative of damage to which specific area of the brain?

Accepted Answer

Broca's area in the frontal lobe

Answer

Wernicke's area in the temporal lobe

Answer

The primary motor cortex in the frontal lobe

Answer

The angular gyrus in the parietal lobe

Question 2

Which of the following physiological responses would be initiated by the parasympathetic nervous system?

Accepted Answer

Stimulation of digestion

Answer

Increased heart rate

Answer

Dilation of pupils

Answer

Inhibition of salivation

Question 3

A researcher wants to conduct a study that requires identifying the precise brain regions that become active, as measured by blood flow changes, when a participant solves a complex puzzle. Which neuroimaging technique offers the best spatial resolution for this purpose?

Accepted Answer

Functional Magnetic Resonance Imaging (fMRI)

Answer

Electroencephalography (EEG)

Answer

Computed Tomography (CT)

Answer

Transcranial Magnetic Stimulation (TMS)

Question 4

The myelin sheath is a fatty substance that insulates neuronal axons. What is its primary function in the nervous system?

Accepted Answer

To increase the speed and efficiency of nerve impulse transmission

Answer

To synthesize neurotransmitters

Answer

To provide the neuron with metabolic energy

Answer

To serve as the primary site for receiving signals from other neurons

Question 5

A person sees a threatening stimulus, and their brain almost instantaneously processes the danger and initiates a physiological fear response, such as an increased heart rate, even before they have consciously appraised the situation. This rapid, automatic emotional processing is primarily governed by which brain structure?

Accepted Answer

Amygdala

Answer

Hippocampus

Answer

Thalamus

Answer

Cerebellum

Question 6

Which brain structure acts as the primary link between the nervous system and the endocrine system by controlling the pituitary gland, and is also central to maintaining the body's homeostasis?

Accepted Answer

Hypothalamus

Answer

Pons

Answer

Basal Ganglia

Answer

Corpus Callosum

A patient experiences a stroke that results in expressive aphasia, characterized by difficulty in producing fluent, grammatical speech, while language comprehension remains largely intact.This clinical presentation is most indicative of damage to which specific area of the brain?

A patient experiences a stroke that results in expressive aphasia, characterized by difficulty in producing fluent, grammatical speech, while language comprehension remains largely intact.
This clinical presentation is most indicative of damage to which specific area of the brain?