What is the lower esophageal sphincter called?
a. pharyngoesophageal sphincter
b. gastric sphincter
c. oropharyngeal sphincter
d. gastroesophageal sphincter
e. peristaltic sphincter
d
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Briefly differentiate between atmospheric pressure, intrapulmonary pressure, and intrapleural pressure
Which of these is always negative in a healthy individual during normal breathing? What happens if intrapleural pressure becomes equal to atmospheric pressure? What will be an ideal response
Hypotension that is associated with neurogenic shock is the result of:
A) loss of alpha receptor stimulation. B) concomitant internal hemorrhage. C) increased peripheral vascular tone. D) profound peripheral vasoconstriction.
The gallbladder and spleen are contralateral to each other.
Answer the following statement true (T) or false (F)
Valves similar to the semilunar valves of the heart are found in medium and large
A. arteries. B. arterioles. C. capillaries. D. venules. E. veins.