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BIO
BIO 252 FINAL EXAM QUESTIONS WITH
VERIFIED ANSWERS, LATEST UPDATE
2026/2027 | GRADED A+ (COMPLETE &
ACCURATE)
1. The neuron cannot respond to a second stimulus, no matter
how strong: absolute refractory period
2. The specific period during which potassium ions diffuse out
of the neuron due to a change in membrane permeability:
repolarization
3. Also called a nerve impulse transmitted by axons: action
potential
9. Primary somatosensory cortex: parietal lobe
10. Primary (somatic) motor cortex: frontal lobe
,11. Nerve impulses are sent to slow the heart's rate of
contraction. The nerve fibers sending these signals will
most likely belong to which division of the nervous
system?: parasympathetic division
12. Nerve impulses leading to the brain carry information
about cool temperatures on the skin. The nerve fibers
sending these signals will most likely belong to which
division of the nervous system?: sensory (afferent) divisions
14. Nerve impulses leading to the skeletal muscle carry
information to direct movement. The nerve fibers sending
these signals will most likely belong to
which division of the nervous system?: somatic nervous
system
13. Some k+ channels remain open and na+ channels reset:
hyperpolarization 8. Any stimulus at or above this level will
result in action potential.: threshold stimulus
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14. Cranial nerves ii the optic nerve sends nerve impulses to
the brain carrying information about things we see. These
, nerve fibers most likely belong to which division of the
nervous system?: sensory(afferent) division
15. The concentration of ions in the chemical environment
surrounding the neurons must be tightly regulated for
neurons to function properly. Which of the following cells
is most responsible for this?: astrocytes
4. The interior of the cell becomes less negative due to an
influx of sodium ions.: depolarization
5. Voltage-gated na+ channels open: depolarization
BIO 252
6. Na+ channels are inactivating, and voltage-gated k+
channels open.: repolarization
16. Auditory area: temporal lobe
BIO
BIO 252 FINAL EXAM QUESTIONS WITH
VERIFIED ANSWERS, LATEST UPDATE
2026/2027 | GRADED A+ (COMPLETE &
ACCURATE)
1. The neuron cannot respond to a second stimulus, no matter
how strong: absolute refractory period
2. The specific period during which potassium ions diffuse out
of the neuron due to a change in membrane permeability:
repolarization
3. Also called a nerve impulse transmitted by axons: action
potential
9. Primary somatosensory cortex: parietal lobe
10. Primary (somatic) motor cortex: frontal lobe
,11. Nerve impulses are sent to slow the heart's rate of
contraction. The nerve fibers sending these signals will
most likely belong to which division of the nervous
system?: parasympathetic division
12. Nerve impulses leading to the brain carry information
about cool temperatures on the skin. The nerve fibers
sending these signals will most likely belong to which
division of the nervous system?: sensory (afferent) divisions
14. Nerve impulses leading to the skeletal muscle carry
information to direct movement. The nerve fibers sending
these signals will most likely belong to
which division of the nervous system?: somatic nervous
system
13. Some k+ channels remain open and na+ channels reset:
hyperpolarization 8. Any stimulus at or above this level will
result in action potential.: threshold stimulus
,Thank you for Purchasing this exam
Study Guide. We provide high-quality
academic materials to help students
excel in exams. Our other Services
include but not limited to: academic
research, University & College
assignments writing, essay writing,
Online Classes, and research projects.
Our services are reliable, affordable,
and plagiarism-free. All the Best in
your Exam. For more information;
Contact us at:
or
0R +254
741484450
14. Cranial nerves ii the optic nerve sends nerve impulses to
the brain carrying information about things we see. These
, nerve fibers most likely belong to which division of the
nervous system?: sensory(afferent) division
15. The concentration of ions in the chemical environment
surrounding the neurons must be tightly regulated for
neurons to function properly. Which of the following cells
is most responsible for this?: astrocytes
4. The interior of the cell becomes less negative due to an
influx of sodium ions.: depolarization
5. Voltage-gated na+ channels open: depolarization
BIO 252
6. Na+ channels are inactivating, and voltage-gated k+
channels open.: repolarization
16. Auditory area: temporal lobe
