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Human Anatomy & Physiology HAN1323 final review questions with complete solutions
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HUMAN ANATOMY EXAM 3 MCQUESTIONS
In the case of somatic neuromuscular neurons, the arrival of a nerve impulse at the
axon terminal immediately triggers _______________. - The release of acetylcholine
(ACh) at the presynaptic membrane
Glial cells are roughly ___________ times more prevalent than neurons. - 5
Cells that attack foreign cells, normal cells infected w/ viruses, and cancer cells that
appear in normal tissues are _____________. - NK Cells
The occipital lobe contains (the) ______________. - visual cortex
The ventral root of the spinal nerve contains ________________. - Axons of the motor
neurons
The gray and white rami from T1 to L2, which allow information exchange b/t the spinal
nerves and the autonomic ganglia are collectively called the _______________. - Rami
communicantes
Which structure contains the hypothalamus? - Diencephalon
To contact a Schwann cell, where would a microprobe have to be inserted in the
nervous system? - Along any axon in the PNS, myelinated or not
Which of the following is a function of the cytotoxic T cells?
a. Iron storage
b. Removal of abnormal blood cells
c. Humoral immunity
d. Initiation of the immune response
e. Cell-mediated immunity - e. Cell-mediated immunity
The innermost layer of connective tissue fibers and isolated Fibrocytes, which
surrounds each axon is the __________________. - Endoneurium
Collections of axons in the CNS that have a common origin and destination are called
___________________. - Tracts
Which lymph nodes might become infected as a result of a bladder infection? -
, A typical B cell spends about _______________ in a lymph node before moving to
another location. - 30 hours
The blood vessels that supply the spinal cord are found in the __________________. -
Pia mater
Injured neurons can fully recover their functional capabilities if
_____________________. - The oxygen and nutrients supplies are restored w/in a
period of a few minutes.
This mesencephalic structure processes information from the cerebrum and cerebellum
and issues involuntary motor commands that maintain muscle tone and limb position. -
Red Nucleus
The septum pellucidum separates the ________. - lateral ventricles
The anatomical subdivisions of the nervous system are (the) ___________________. -
Central and peripheral nervous systems
Functions of the peripheral nervous system include _______.
a. Carrying information up and down the spinal cord
b. Carrying motor commands to the peripheral tissues and systems only
c. Providing sensory information to the CNS and carrying motor commands to the
peripheral tissues and systems.
d. Making higher order decisions to interpret sensory inputs
e. Providing sensory information to the CNS only - c. Providing sensory information to
the CNS and carrying motor commands to the peripheral tissues and systems.
The anterior horns are the largest in the ______ regions. - cervical and lumbar
Lipids absorbed in the digestive tract enter _______ in the intestinal wall. - lacteals
Which of the following cranial nerves have mixed sensory and motor functions?
a. N I, N III
b. N VI, N VII
c. N VIII, N XI
d. N VII, N IX
e. N II, N V - d. N VII, N IX
The _______ collects lymph from both sides of the body inferior to the diaphragm. -
thoracic duct
The composition of lymph is most similar to ______. - interstitial fluid
Because a neuron loses its centrioles during differentiation, ________.
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