Which class of nephron is crucially important in establishing a salt concentration gradient in the kidney so that urine concentration can be regulated?
A. Adrenal nephrons
B. Juxtamedullary nephrons
C. Cortical nephrons
D. Intercalated nephrons
Answer: B
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Which of the following is incorrect pertaining to the bony pelvis?
A) The pelvic girdle is composed of the right and left hip bones and the sacrum. B) In infants and children the hip bone is composed of three separate bones—the ilium, ischium, and pubis. C) The ala of the ilium helps to form the acetabulum. D) The ischial spine separates the greater and lesser sciatic foramina. E) The pelvic brim separates the greater (false) and lesser (true) pelves.
Which type of lymphatic vessel is largest?
A. Capillary B. Duct C. Trunk D. Collecting vessel E. Terminal lymphatics
The final electron acceptor in aerobic cell respiration is ________.
A. water B. carbon dioxide C. ATP D. oxygen
Which of the following is not a hypothalamic hormone?
A. Antidiuretic hormone (ADH) B. Luteinizing hormone (LH) C. Thyrotropin releasing hormone (TRH) D. Somatostatin E. Prolactin-inhibiting hormone (PIH)