Which organ secretes erythropoietin?
A. Liver
B. Kidneys
C. Lungs
D. Bone marrow
Answer: B
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Receptors contain modality-gated channels within their plasma membranes.
Answer the following statement true (T) or false (F)
Which is not correct regarding the stomach?
A. It is located in the left upper quadrant of the abdomen. B. It has a third muscle layer, the oblique layer, not found elsewhere in the GI tract. C. Its funnel-shaped terminal portion is called the fundus. D. It participates in both mechanical and chemical digestion. E. It is shaped like the letter J.
The initial increase in ventilation with exercise onset is due to:
A. increased oxygen utilization leading to a drop in PaO2 B. increased anaerobic metabolism decreasing the pH C. a neurogenic signal originating in the brain D. repayment of the oxygen debt
The enzyme carbonic anhydrase catalyzes the catabolism of H2CO3 to H2O and CO2
Indicate whether the statement is true or false.