Carotid sinus nerve activity is increased in the presence of:
A. high O2 levels in the blood
B. normal CO2 levels in the blood
C. low O2 content
D. low pH
ANS: D
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If someone suffered from hypertension, such that the blood pressure in their capillaries was elevated, then net filtration pressure would be
A. above normal. B. below normal.
The most common type of acid-base imbalance is
A. respiratory acidosis. B. respiratory alkalosis. C. metabolic alkalosis. D. metabolic acidosis.
Which of the following is NOT true regarding the lymphatic system?
a. Lymph is returned to the cardiovascular system where it once more becomes a part of blood plasma. b. Lymphatic capillaries absorb lipid droplets from interstitial fluid. c. Lymph flows from lymph capillaries to larger lymphatic vessels to the heart and lungs. d. The lymphatic system removes microorganisms from body fluid. e. Lymphatic capillaries absorb excess fluid from the tissues.
Melanoma is a form of skin cancer that arises from melanocytes. Melanoma is most common in Caucasians between 40 and 70 years of age. Explain why Caucasians would have a greater incidence of melanoma
What will be an ideal response