Which of the following statements about taste is FALSE?
A) K+ conveys salty.
B) H+ conveys sour.
C) Sugars convey sweet.
D) Amino acids convey umami.
Answer: A
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A person without a gallbladder
A. cannot secrete bile. B. cannot digest fats. C. cannot store lipase. D. will have no difficulty digesting a large, fat-rich meal. E. cannot store bile.
What is the typical result if there is too much or too little of a hormone present?
A) Feedback mechanisms in the body cannot correct the imbalance. B) Feedback mechanisms in the body are used to correct the imbalance. C) The endocrine gland begins to atrophy. D) The lens becomes more brittle with age causes light to refract erratically.
When blood glucose concentrations are elevated, the glucose molecules are __________.
a. catabolized for energy b. used for tissue repair c. used to build proteins d. all of the above
HIV has been found in blood, semen, and urine.
a. true b. false