Digitalis has two unique therapeutic benefits: a slowing of the cardiac conduction, resulting in increased ventricular filling, and increased strength of contraction without the use of additional oxygen.
Answer the following statement true (T) or false (F)
True
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Golgi tendon organs detect:
a. Tension and contraction of muscles b. Muscle stretch velocity c. Joint position d. Joint movement velocity
A blood pressure of 144/90 mm Hg is considered to be in which of the following ranges?
a. Normal b. Prehypertenion c. Stage 1 hypertension d. Stage 2 hypertension
Molecules are composed of ____.
A. at least two cells bonded together B. at least two atoms bonded together C. two or more compounds D. water and one other atom E. at least two organelles
Polycythemia is:
1. a condition of too many red blood cells. 2. a condition of too few red blood cells. 3. caused by lack of iron in the diet. 4. the body's response to chronic hypoxemia. a. 1, 2 b. 2, 3 c. 1, 4 d. 2, 4