Chemoreceptors in the medulla oblongata are not sensitive to ________.
A. oxygen
B. carbon dioxide
C. oxygen and carbon dioxide
D. hydrogen ions
Answer: A
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_________ opposes the effects of insulin
a. aldosterone b. glucagon c. epinephrine d. Both a and b e. Both b and c
A function of hydrocholoric acid in the stomach is to
A. activate pepsin from pepsinogen. B. chemically digest fats. C. activate lipase. D. All apply.
Which of the following is not a function of the liver?
a. metabolic processing of carbohydrates, proteins, and fats. b. secretion of proteolytic digestive enzymes. c. detoxification and/or degradation of body wastes, hormones, drugs, and foreign compounds. d. synthesis of plasma proteins essential to the clotting process. e. storage of glycogen, fats, iron, copper, and many vitamins.
The very brief moment following stimulation when a muscle remains unresponsive to additional stimulation is called the
A. relaxation B. contraction C. refractory period D. latent period