Which of the following is NOT involved in short-term regulation of blood pressure?
A. baroreceptor reflex
B. adrenal medullary mechanism
C. alteration in blood volume
D. chemoreceptor mechanism
C
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The interstitial cells in the testes
A. undergo mitosis to produce primary spermatocytes. B. support and protect the developing sperm cells. C. secrete testosterone. D. convert fructose to glucose to nourish the sperm. E. form the lining of the seminiferous tubules.
Which statement about CO2 is FALSE?
A) More CO2 dissolves in the blood plasma than is carried in the RBCs. B) Its concentration in the blood is decreased by hyperventilation. C) CO2 concentrations are greater in venous blood than arterial blood. D) Its accumulation in the blood is associated with a decrease in pH.
Which peritoneal fold attaches the liver to the anterior internal body wall?
A. Coronary ligament B. Intraperitoneal ligament C. Hepatic ligament D. Falciform ligament E. Mesentery proper
Which of these areas is located in the postcentral gyrus of the cerebral cortex?
A) olfactory cortex B) visual cortex C) primary motor cortex D) primary somatic sensory cortex E) primary auditory cortex