BIO 203 Exam 3 Questions with Correct
Detailed Answers Graded A+ 2025
Which body region is controlled by the largest area of the motor cortex?
a. Fingers
b. Toes
c. Trunk
d. Shoulder
e. Neck -Correct Answer ✔Fingers
Which of the following occurs during rapid eye movement (REM) sleep?
a. The muscles relax, and body temperature, blood pressure, heart rate, and
respiratory rate fall.
b. A person falls into light sleep.
c. The muscles are very relaxed and body temperature, blood pressure, and heart
rate, and respiratory rate are at their lowest levels.
d. A person begins to relax and feels drowsy.
e. The muscles are paralyzed, and body temperature, blood pressure, and heart rate
and respiratory rate increase. -Correct Answer ✔The muscles are paralyzed, and
body temperature, blood pressure, and heart rate and respiratory rate increase.
Exhausted from studying all night, you briefly close your eyes and your mind starts
to wander. Which brain waves would be most predominant in an EEG?
a. Alpha
b. Beta
c. Delta
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d. Sigma
e. Theta -Correct Answer ✔Alpha
Destruction of the amygdala would mostly affect which of the following?
a. Recognition and identification of objects
b. Awareness of objects
c. Expression of emotional feelings
d. Memory
e. Cognition -Correct Answer ✔Expression of emotional feelings
Nonfluent aphasia, due to a lesion in the __________, results in slow speech,
difficulty in choosing words, or use of words that only approximate the correct
word.
a. Broca area
b. primary motor area
c. Wernicke area
d. cerebral lateralization
e. primary auditory area -Correct Answer ✔Broca area
What is the function of the indicated brain region? (Broca area)
a. Production of speech
b. Memory consolidation
c. Hearing
d. Understanding written language
e. Emotional control -Correct Answer ✔Production of speech
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The __________ association area is responsible for perceiving and attending to
stimuli, and the __________ association area is responsible for identifying them.
a. temporal; occipital
b. occipital; frontal
c. frontal; occipital
d. parietal; temporal
e. temporal; parietal -Correct Answer ✔Parietal; temporal
True or False: The vision association area resides primarily in the temporal lobe. -
Correct Answer ✔False
True or False: The amygdala, hippocampus, and hypothalamus are involved in
such feelings as love, anger, fear, pleasure, and pain. -Correct Answer ✔True
Short-term memory is associated with the __________, whereas long-term
memory is associated with the __________.
a. hippocampus; cerebral cortex
b. cerebral cortex; amygdala
c. hippocampus; midbrain
d. amygdala; hippocampus
e. cerebral cortex; hippocampus -Correct Answer ✔Hippocampus; cerebral cortex
What is the function of the indicated brain region? (Wernicke area)
a. Memory consolidation
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b. Hearing
c. Production of speech
d. Emotional control
e. Understanding written language -Correct Answer ✔Understanding written
language
After a stroke, a patient complains about lack of sensitivity in her right hand. The
stroke most likely affected which part of the brain?
a. Postcentral gyrus in the left frontal lobe
b. Precentral gyrus in the right frontal lobe
c. Precentral gyrus in the left frontal lobe
d. Postcentral gyrus in the left parietal lobe
e. Postcentral gyrus in the right temporal lobe -Correct Answer ✔Postcentral gyrus
in the left parietal lobe
A predominance of which waves in an electroencephalogram (EEG) might indicate
that a person is physically and mentally relaxed?
a. Theta
b. Beta
c. Alpha
d. Gamma
e. Delta -Correct Answer ✔Alpha
True or False: The Wernicke area recognizes spoken and written language. -Correct
Answer ✔True
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