Psychology Degree Biological Bases of Behavior Questions and Answers

Question 1

A patient presents with difficulty in producing fluent, articulate speech, though their ability to comprehend language remains intact.
This condition, known as Broca's aphasia, is most likely caused by damage to which lobe of the cerebral cortex?

Accepted Answer

Frontal Lobe

Answer

Temporal Lobe

Answer

Parietal Lobe

Answer

Occipital Lobe

Question 2

The motor symptoms of Parkinson's disease, such as tremors, rigidity, and difficulty initiating movement, are primarily caused by the death of neurons that produce which neurotransmitter?

Accepted Answer

Dopamine

Answer

Serotonin

Answer

Acetylcholine

Answer

GABA

Question 3

After narrowly avoiding a car accident, your heart is pounding, your breathing is rapid, and your palms are sweaty. As you calm down, your body returns to a state of equilibrium. Which division of the nervous system is responsible for this calming 'rest and digest' response?

Accepted Answer

Parasympathetic Nervous System

Answer

Somatic Nervous System

Answer

Sympathetic Nervous System

Answer

Central Nervous System

Question 4

A researcher is interested in pinpointing the exact brain location that is most active when a person is viewing images of faces. Which neuroimaging technique would provide the best spatial resolution for this task?

Accepted Answer

Functional Magnetic Resonance Imaging (fMRI)

Answer

Electroencephalogram (EEG)

Answer

Transcranial Magnetic Stimulation (TMS)

Answer

Lesion Study

Question 5

Which of the following scenarios is the best example of the endocrine system directly influencing behavior?

Accepted Answer

The release of adrenaline causing a 'fight-or-flight' response during a perceived threat.

Answer

A reflex action of pulling a hand away from a hot stove.

Answer

The brain sending a signal to the leg muscles to kick a ball.

Answer

A neuron firing an action potential across a synapse to another neuron.

Question 6

The thick band of nerve fibers that connects the left and right cerebral hemispheres, allowing them to communicate, is known as the:

Accepted Answer

Corpus Callosum

Answer

Cerebellum

Answer

Thalamus

Answer

Hippocampus

A patient presents with difficulty in producing fluent, articulate speech, though their ability to comprehend language remains intact.This condition, known as Broca's aphasia, is most likely caused by damage to which lobe of the cerebral cortex?

A patient presents with difficulty in producing fluent, articulate speech, though their ability to comprehend language remains intact.
This condition, known as Broca's aphasia, is most likely caused by damage to which lobe of the cerebral cortex?