A&P STRAIGHTERLINE EXAM /FINAL NEWEST
EXAM LATEST 2024/2025 WITH ACTUAL
QUESTIONS AND CORRECT VERIFIED (DETAILED)
ANSWERS
_____________ are responsible for regulating the sensitivity of the muscle spindle.
A) Alpha motor neurons
B) Sensory neurons
C) Gamma motor neurons
D) Golgi tendon organs
E) Inhibitory interneurons - ✔✔ANSW✔✔..C) Gamma motor neurons
A collection of spinal nerves that join together after leaving the spinal cord is called a
A) ganglion.
B) nucleus.
C) projection nerve.
D) plexus. - ✔✔ANSW✔✔..D) plexus.
A dermatome
A) is the area of skin supplied by a pair of spinal nerves.
B) exists for each spinal nerve except C1
C) can be used to locate the site of spinal cord or nerve root damage.
D) all of the above. - ✔✔ANSW✔✔..D) all of the above.
A major source of sensory input into the limbic system is the sense of
Select one:
a. vision.
b. taste.
c. touch.
d. smell. - ✔✔ANSW✔✔..d. smell.
A man was in an accident and severed his spinal cord between C6 and C7. Which of
the following would NOT occur?
Select one:
a.
,loss of sensation in the trunk below the shoulders, the lower limbs and portions of the
arms
b.
loss of use of the phrenic nerves and paralysis of the diaphragm
c.
loss of movement in the lower limbs
d.
loss of movement in the hands
e.
loss of sensation in hands and feet - ✔✔ANSW✔✔..b.
loss of use of the phrenic nerves and paralysis of the diaphragm
A nurse is caring for a patient who exhibits the following symptoms:
(1) inability to maintain balance while walking
(2) normal intelligence
(3) can initiate voluntary movements although they are somewhat uncoordinated.
(4) decreased tone in the skeletal muscles
The patient is probably suffering from a condition that affected the
Select one:
a. midbrain.
b. cerebellum.
c. basal ganglia.
d. cerebral cortex.
e. brainstem. - ✔✔ANSW✔✔..b. cerebellum.
A patient has suffered a cerebral hemorrhage that has damaged the primary motor area
of his right cerebral cortex. As a result the
Select one:
a. patient cannot voluntarily move his right arm or leg.
b. patient feels no sensations on the left side of his body.
c. patient cannot voluntarily move his left eye.
d. patient's heart stops beating.
e. patient cannot voluntarily move his left arm or leg. - ✔✔ANSW✔✔..e. patient cannot
voluntarily move his left arm or leg.
A person with a lesion in the brain exhibited the following manifestations: normal tension
in skeletal muscle, disturbed fine motor control, exhibited tremors when reaching for
objects. What part of the brain is most likely damaged?
Select one:
a. the prefrontal lobe
b. the frontal lobe
c. the basal ganglia
d. the pyramids
e. the cerebellum - ✔✔ANSW✔✔..e. the cerebellum
,A primary function of the cerebellum is to
Select one:
a. interpret sound.
b. coordinate movement.
c. control body temperature.
d. regulate consciousness.
e. regulate sleep patterns. - ✔✔ANSW✔✔..b. coordinate movement.
A reflex response accompanied by the conscious sensation of pain is possible because
of
A) convergent pathways.
B) divergent pathways.
C) a reflex arc that contains only one neuron.
D) sensory perception in the spinal cord. - ✔✔ANSW✔✔..B) divergent pathways.
A series of neurons involved in long-term retention of a thought is called
Select one:
a. an EEG.
b. a brain wave.
c. a memory engram.
d. short-term memory.
e. a memory trace. - ✔✔ANSW✔✔..c. a memory engram.
A stimulus either causes an action potential or it doesn't. This is called
Select one:
a. an all-or-none response.
b. a graded response.
c. a latent period response.
d. a relative refractory response.
e. an arbitrary response. - ✔✔ANSW✔✔..a. an all-or-none response.
A water-soluble hormone binds to its receptor on the plasma membrane. Arrange the
events that follow in correct sequence.
(1) alpha subunit-GTP complex alters cell activity
(2) GTP binds to the alpha subunit replacing GDP
(3) G-protein subunits separate from the receptor
(4) alpha subunit separates from other two subunits
(5) G-protein subunits bind to the receptor
Select one:
a. 5, 2, 3, 4, 1
b. 4, 2, 1, 3, 5
c. 5, 2, 1, 4, 3
d. 5, 4, 2, 1, 3
e. 3, 4, 1, 2, 5 - ✔✔ANSW✔✔..a. 5, 2, 3, 4, 1
, A weight lifter attempts to lift a weight from the floor, but the weight is so heavy he is
unable to move it. The type of muscle contraction the weight lifter used was mostly
A) isometric.
B) isotonic.
C) isokinetic.
D) concentric.
E) eccentric. - ✔✔ANSW✔✔..A) isometric.
Acetylcholinesterase is an important molecule in the neuromuscular junction because it
A) stimulates receptors on the presynaptic terminal.
B) synthesizes acetylcholine from acetic acid and choline.
C) stimulates receptors within the postsynaptic membrane.
D) breaks down acetylcholine.
E) causes the release of Ca2+ from the sarcoplasmic reticulum. - ✔✔ANSW✔✔..D)
breaks down acetylcholine.
Action potentials are conducted more rapidly when transmission is
Select one:
a. from node to node on a myelinated axon.
b. on a small diameter axon.
c. on an unmyelinated axon.
d. from internode to internode.
e. from internode to node on a myelinated axon. - ✔✔ANSW✔✔..a. from node to node
on a myelinated axon.
Adrenergic receptors
Select one:
a. can be activated by the release of epinephrine.
b. have two structural forms - muscarinic and nicotinic.
c. when activated stimulate skeletal muscles to contract.
d. can be found in both the sympathetic and parasympathetic divisions.
e. are activated by the release of acetylcholine. - ✔✔ANSW✔✔..a. can be activated by
the release of epinephrine.
After contraction has occurred, the calcium is
Select one:
a. destroyed by cholinesterase.
b. chemically bound to the cross bridges.
c. secreted by the Golgi apparatus to the outside of the cell.
d. released from troponin.
e. returned to the sarcolemma. - ✔✔ANSW✔✔..d. released from troponin.
All of the following muscles are rotators of the arm. Which is a lateral rotator of the arm?
Select one:
a. pectoralis major
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