Sweat glands contain ________ receptors
A) nicotinic cholinergic
B) muscarinic cholinergic
C) alpha
D) beta
E) both muscarinic cholinergic and beta
Answer: B
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The fluid link between the external and internal environment is ________.
A) plasma B) intracellular fluid C) interstitial fluid D) cerebrospinal fluid
CT scans and ________ are often viewed in cross-section.
Fill in the blank(s) with the appropriate word(s).
Chemical buffer systems
a. can act within a fraction of a second to buffer changes in [H+] b. are the only mechanism available for regulating changes in [H+] within the body c. actually remove acid from the body d. have characteristics a and c e. have none of the above characteristics
_____________ are branched cells.
A) Skeletal muscle cells B) Cardiac muscle cells C) Smooth muscle cells D) Both skeletal and cardiac muscle cells E) Both cardiac and smooth muscle cells