What is the primary effect of antidiuretic hormone (ADH, or vasopressin)?
A) sodium retention by the kidneys B) blood glucose regulation
C) water retention by the kidneys D) increases urine production by the kidneys
Answer: C
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Which answer is true about NET water movement between two solutions that are separated by a semipermeable membrane
a. It will always be toward the solution with the lower osmotic pressure. b. It might be toward the solution with the lower osmotic pressure. c. It will always be toward the solution with the lower hydrostatic pressure. d. It might be toward both solutions at the same time. e. None of the above statements are true.
Which of the following statements about the vagina is FALSE?
a. at the distal end of the vagina is the external cervical os b. during pregnancy, the vagina produces progesterone c. the hymen separates the vagina and vestibule until the initial sexual intercourse d. all of the above are true
The rough endoplasmic reticulum performs which of the following functions?
A. DNA synthesis B. Protein synthesis C. Active transport D. Polysaccharide hydrolysis E. ATP synthesis
This figure shows a lymph node and its components. The region indicated by number 1 is a
A. germinal center. B. mantle zone. C. cortical sinus. D. medullary cord. E. medullary sinus.