The capillaries of the pulmonary circulatory system
A. deposit carbon dioxide into the alveoli.
B. receive oxygen from the alveoli.
C. surround the alveoli.
D. All of the above
Answer: D
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Dehydration reactions between carboxyl groups and phosphate groups result in peptide bond formation.
Answer the following statement true (T) or false (F)
Which of the following statements regarding the precision of locating a somatic stimulus is FALSE?
A. The precision is greater in areas of the body that have small, overlapping receptive fields than in areas with large, nonoverlapping receptive fields. B. Convergence of afferent neurons onto common ascending pathways increases acuity. C. The precision is greater in the lips and fingers than on the back. D. The precision is greater for the skin than for the internal organs. E. Lateral inhibition of parallel afferent pathways increases the precision of locating a stimulus.
How many steps are involved in the extrinsic pathway to the clotting cascade?
a. eight b. seven c. six d. five e. four
Urine flow from the renal pelvis to the urinary bladder is produced by
A. peristalsis of the ureters. B. hydrostatic pressure from the small intestine. C. contraction of the detrusor muscle. D. suction from the urinary bladder. E. ciliary action in the renal pelvis.