The ________ originates on the zygomatic arch and inserts on the angle of the mandible
A) genioglossus
B) buccinator
C) stylohyoid
D) temporalis
E) masseter
E
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The first law of thermodynamics states that
A) the total amount of energy in the universe is variable. B) natural processes move from order to disorder, or entropy. C) what heats up must cool down. D) there is no way a process can increase the amount of order. E) energy can be neither created nor destroyed and thus must be accounted for.
Tubular secretion
a. refers to the movement of a substance from the peritubular capillary blood into the tubular lumen b. can occur by active or passive transport mechanisms c. of K+ occurs in the distal and collecting tubules and is stimulated by aldosterone d. of organic ions occurs in the proximal tubule by two distinct types of carriers e. has all of the above characteristics
Which of the following is not true of parietal cells?
A) They contain carbonic anhydrase that converts carbon dioxide and water into carbonic acid. B) They produce bicarbonate by dissociation of carbonic acid. C) They import chloride ions from the interstitial fluid to produce hydrochloric acid in the gastric glands. D) They release bicarbonate into the lumen of gastric glands. E) They release bicarbonate into the interstitial fluid that then enters the bloodstream.
The pancreas makes an alkaline fluid that neutralizes the acidic chyme entering the small intestine from the stomach
Indicate whether the statement is true or false