BIOL 860

subject Type Homework Help
subject Pages 4
subject Words 468
subject Authors Edwin F. Bartholomew, Frederic H. Martini, Judi L. Nath

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1) epsps (excitatory postsynaptic potentials) occur when
a) more potassium ions than usual leak out of a cell.
b) more calcium ions than usual leak out of a cell.
c) chloride ions enter a cell.
d) extra sodium ions enter a cell.
e) hyperpolarizations occur.
2) at each end of the muscle, the collagen fibers of the epimysium, and each
perimysium and endomysium, come together to form a
a) tendon.
b) satellite cell.
c) ligament.
d) tenosynovium.
e) sheath.
3) in quiet breathing,
a) inspiration and expiration involve muscular contractions.
b) inspiration is passive and expiration involves muscular contractions.
c) inspiration involves muscular contractions and expiration is passive.
d) inspiration and expiration are both passive.
e) inspiration is deep and forceful.
4) epithelia specialized for providing sensations of smell, taste, sight, equilibrium, and
hearing are known as
a) neuroepithelia
b) psychoepithelia
c) neuropsychoepithelia
d) multilaminar epithelia
e) protective epithelia.
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5) blood pressure is lowest in the
a) arteries.
b) arterioles.
c) capillaries.
d) venules.
e) veins.
6) which gland is called the "emergency gland" and helps the body adjust to stress?
a) thyroid
b) adrenal (suprarenal)
c) pituitary
d) pancreas
e) thymus
7) these vessels may be continuous or fenestrated.
a) arteries
b) arterioles
c) capillaries
d) venules
e) veins
8) absorption of glucose from the gut lumen depends on
a) the sodium-potassium pump in the basolateral membrane of the epithelial cell.
b) cotransporter proteins in the apical membrane of the epithelial cell.
c) higher sodium ion concentration in the lumen than in the epithelial cell.
d) sodium-linked cotransport.
e) all of the answers are correct.
9) approximately ________ liters of fluid are secreted by the small intestine each day.
a) 20
b) 10
c) 2
d) 1
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e) 7
10) you would find pseudostratified columnar epithelium lining the
a) trachea.
b) urinary bladder.
c) secretory portions of the pancreas.
d) surface of the skin.
e) stomach.
11) the ________ tract provides subconscious regulation of balance and muscle tone
and is part of the ________ pathway.
a) tectospinal; lateral
b) rubrospinal; lateral
c) reticulospinal; medial
d) vestibulospinal; medial
e) corticobulbar; medial
12) blood is which type of tissue?
a) mesenchyme
b) nerve
c) epithelial
d) muscle
e) connective
13) according to the rules of complementary base pairing in nucleic acids, cytosine
would pair with the base
a) thymine.
b) adenine.
c) uracil.
d) cytosine.
e) guanine.

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