28)  When the concentration of ADH increases: A)  th…

28)  When the concentration of ADH increases: A)  the specific gravity of the urine decreases. B)  less water is reabsorbed by the nephron and collecting duct. C)  more urine is produced. D)  less urine is produced. E)  more salt is secreted by the nephron.

37) Which of the following is NOT a correct matching of a fe…

37) Which of the following is NOT a correct matching of a fetal structure with what it becomes at birth? A) foramen ovale–fossa ovalis B) ductus arteriosus–ligamentum teres C) ductus venosus–ligamentum venosum D) umbilical arteries–medial umbilical ligaments

11) Based on note comments, the basic difference between spe…

11) Based on note comments, the basic difference between spermatogenesis and oogenesis is that ________. A) during spermatogenesis two more polar bodies are produced B) the mature ovum is n, while the sperm is 2n C) in oogenesis, one mature ovum is produced, and in spermatogenesis four mature sperm are produced from the parent cell D) spermatogenesis involves mitosis and meiosis, but oogenesis involves meiosis only

62) Which statement about CO2 is incorrect? A) Its concentra…

62) Which statement about CO2 is incorrect? A) Its concentration in the bloodstream is reduced by hyperventilation. B) Its accumulation in the bloodstream is associated with a decrease in pH (acidosis). C) CO2 dissolves in the blood plasma and then is routed through the RBCs to form bicarbonate ion (HCO3-). D) CO2 concentrations are always greater in venous blood than in arterial blood.