A muscle producing almost peak tension during rapid cycles of contraction and relaxation is said to be in
A) incomplete tetanus.
B) complete tetanus.
C) treppe.
D) wave summation.
E) recruitment.
A
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The maximum pressure exerted in the arteries is when blood is ejected into them during:
a. inhalation b. exhalation c. exercise d. diastole e. systole
When plasma O2 concentrations are falling, the rising plasma CO2 binds to the __________ of the hemoglobin molecule.
a. heme b. porphyrin c. alpha and beta chains d. none of the listed responses is correct
Furosemide (Lasix) causes diuresis by:
A) increasing circulating blood glucose. B) converting angiotensin I to angiotensin II. C) inhibiting sodium reabsorption in the kidneys. D) inhibiting the production of antidiuretic hormone.
What does "C" represent on the diagram?
A. Repolarization phase of action potential B. Depolarization phase of action potential C. Depolarization D. Threshold