Prevention of water loss is a necessary function for life that would best fit in the category of ________
A) metabolism
B) responsiveness
C) maintaining boundaries
D) excretion
Answer: C
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Which blood type is called the universal donor?
A) A B) B C) AB D) O
Which structural feature of the upper limb marks the attachment site of the biceps brachii muscle, a flexor of the forearm?
A) trochlear notch B) deltoid tuberosity C) styloid process D) radial tuberosity E) coronoid process
Marjorie takes an anti-anxiety drug so that she can sleep better and remain calm enough
to study effectively. She begins by taking 25 milligrams every evening, but within a month this dose is no longer helping, so she takes two pills. After another month this dosage is no longer effective. This is happening because A) the number of receptors to which the drug binds on neurons has declined. B) she has developed tolerance, which means that her liver can no longer metabolize the drug, so it remains active for too long. C) the number of receptors to which the drug binds on neurons has increased. D) her immune system is rejecting the drug.
Testosterone can be categorized as a(n) ________ hormone.
A) amine B) glycoprotein C) peptide D) protein E) steroid