How would the absolute refractory period be affected if voltage -gated sodium channels remained inactivated?
A) It would be longer than normal.
B) It would be the same whether the channels remained inactivated or not.
C) It would be shorter than normal.
D) None of the answers are correct.
A) It would be longer than normal.
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Sarah is taking antacids every day. This habit is raising her stomach and duodenal pH close to neutral. Which of the following enzymes may have decreased activity?
A. Pepsin B. Amylase C. Chymotrypsin D. Trypsin E. Lipase
Cilia are short, tiny, hair-like protrusions usually found in large numbers on the surface of some cells
a. True b. False Indicate whether the statement is true or false
Part complete How would the partial pressures of O2 and CO2 change in an exercising muscle?
a) The partial pressure of O2 would increase, and the partial pressure of CO2 would decrease. b) The partial pressure of O2 would decrease, and the partial pressure of CO2 would increase. c) The partial pressures of O2 and CO2 would remain unchanged.
The major hormone of the absorptive state is _________.
A) Cortisol B) Epinephrine C) Growth hormone D) Insulin