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BIOS 105 Midterm 2021
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BIOS 105 Midterm 2021Question 1.1. (TCO 8) Preparing the body for the fight-or-flight response during threatening
situations is the role of the (Points : 2) cerebrum. parasympathetic nervous system.
somatic nervous system. sympathetic nervous system. afferent nervous system.
Question 2.2. (TCO 8) The gap between two communicating neurons is termed (Points : 2)
synaptic cleft.
effector.
node of Ranvier.
cell body.
Schwann cell.
Question 3.3. (TCO 8) A neuron with a cell body located in the CNS whose primary function is
connecting other neurons is called a(n) (Points : 2) afferent neuron. association neuron.
satellite cell.
glial cell.
efferent neuron.
Question 4.4. (TCO 8) Sound waves entering the external auditory canal hit the eardrum, also
known as the (Points : 2) tympanic membrane.
ossicles.
oval window.
pinna.
auricle.
,Question 5.5. (TCO 8) An ear infection following an illness, such as a cold, has passed from the
throat through the auditory tube to the (Points : 2)
outer ear.
semicircular canals.
middle ear.
eardrum.
inner ear.
Question 6.6. (TCO 9) Insulin is produced by cells of the pancreatic islets called (Points : 2)
beta cells.
alpha cells.
theta cells.
gamma cells.
delta cells.
, Question 7.7. (TCO 9) Insulin causes (Points : 2) a
decrease in the concentration of blood glucose.
an increase in blood pressure.
an increase in the concentration of blood
glucose. a decrease in blood pressure. an
increase in the production of glucagon.
Question 8.8. (TCO 9) Growth hormone (Points :
2) is produced by the thyroid gland. is
secreted by the thymus gland.
results in Cushing's disease if produced in excess.
prevents urine production. promotes growth in
long bones and skeletal muscles.
Question 9.9. (TCO 7) A sarcomere is (Points : 2)
the contractile unit between two Z discs. a
compartment in a myofilament. the wavy lines on
the cell, as seen in a microscope. the
nonfunctional unit of skeletal muscle. the area
between two intercalated discs.
Question 10.10. (TCO 6) There are _____ vertebrae in the neck region. (Points : 2)
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