All capillary beds in the body are open all the time.
Answer the following statement true (T) or false (F)
False
Capillary beds are open according to need.
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Which of the following statements regarding swallowing is true?
A. The voluntary phase begins in the pharynx. B. In the pharyngeal phase, food is moved through the pharynx. C. The uvula rises during the esophageal phase. D. Peristalsis occurs in all phases of swallowing. E. Breathing occurs during swallowing.
Which of the following does not occur as a compensation for hemorrhage?
a. Shift of fluid from the interstitial fluid into the plasma b. Reduced urinary output c. Increased capillary permeability d. Increased cardiac output e. Increased synthesis of plasma proteins
Contraction of the papillary muscles would
A. prevent the AV valves from protruding into the atria. B. open the semilunar valves. C. eject blood from the ventricles. D. close the semilunar valves. E. cause the atria to eject their contents into the ventricles.
You are assessing a patient who is complaining of chest pain that started about 45 minutes ago. His skin is pale and clammy and he has very little energy. His vital signs are respirations of 24, pulse of 120, and BP of 94/70. What priority would you give this patient?
A. High because of the blood pressure reading. B. Low because his respiratoires are normal. C. High because of the elevated pulse. D. Low unless there is breathing difficulty.