BAPSY Bachelor of Arts in Psychology Biological Bases of Behavior Questions and Answers

Question 1

A person hiking in the woods suddenly encounters a bear.
Their heart begins to race, their breathing becomes rapid, and their pupils dilate.
This physiological arousal is primarily driven by the activation of which part of the nervous system?

Accepted Answer

Sympathetic nervous system

Answer

Somatic nervous system

Answer

Parasympathetic nervous system

Answer

Central nervous system

Question 2

A patient who has suffered a stroke can speak fluently, but their speech is nonsensical and they have great difficulty understanding spoken or written language. This condition, known as fluent aphasia, is most likely caused by damage to which brain region?

Accepted Answer

Wernicke's area

Answer

Broca's area

Answer

The hippocampus

Answer

The primary motor cortex

Question 3

Which of the following is the primary inhibitory neurotransmitter in the brain, playing a crucial role in reducing neuronal excitability and often targeted by anti-anxiety medications?

Accepted Answer

GABA (gamma-aminobutyric acid)

Answer

Glutamate

Answer

Dopamine

Answer

Acetylcholine

Question 4

The brief period following an action potential, during which a neuron is unable to fire another action potential regardless of the stimulus strength, is called the:

Accepted Answer

Absolute refractory period

Answer

Resting potential

Answer

Synaptic cleft

Answer

Depolarization phase

Question 5

A patient is having difficulty processing visual information, such as recognizing faces and interpreting what they are seeing, despite their eyes being perfectly healthy. Damage to which lobe of the cerebral cortex is the most likely cause?

Accepted Answer

Occipital lobe

Answer

Frontal lobe

Answer

Parietal lobe

Answer

Temporal lobe

Question 6

Which of the following correctly describes the primary function of the hippocampus?

Accepted Answer

Playing a critical role in the formation of new long-term memories.

Answer

Regulating basic survival functions like hunger and thirst.

Answer

Processing emotions, particularly fear and aggression.

Answer

Serving as the brain's primary relay station for sensory information.

A person hiking in the woods suddenly encounters a bear.Their heart begins to race, their breathing becomes rapid, and their pupils dilate.This physiological arousal is primarily driven by the activation of which part of the nervous system?

A person hiking in the woods suddenly encounters a bear.
Their heart begins to race, their breathing becomes rapid, and their pupils dilate.
This physiological arousal is primarily driven by the activation of which part of the nervous system?