Which of the following is NOT a sign of pain?
a. vocal c. eating and drinking well
b. restless d. chewing at incision
C
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Increases in angiotensin II levels cause decreases in blood pressure
Indicate whether this statement is true or false.
Spongy bone
A. contains no osteocytes. B. has spaces filled with yellow marrow. C. is composed of tubular units called osteons. D. forms diploe in the cranial bones. E. All of the choices are correct.
Peyer's patches are found in the submucosa of the distal end of the small intestine
Indicate whether the statement is true or false
The cells of excitable and nonexcitable tissues share which of the following properties?
a. a threshold potential b. a resting membrane potential c. an ability to open the Na+ gates d. all of these answers. e. none of these answers.