HUMAN BIOLOGY

HUMAN BIOLOGY

HUMAN BIOLOGY

1. The secretion of the bicarbonate component of pancreatic juice is stimulated by a. cholecystokinin b. gastrin c. enterocrinin d. secretin e. GIP 2. Calculate the effective filtration pressure from the following data: Glomerular hydrostatic pressure = 60 mm Hg Blood colloid osmotic pressure = 28 mm Hg Capsular hydrostatic pressure = 14 mm Hg a. 18 mm Hg b. 32 mm Hg c. 46 mm Hg d. 88 mm Hg 3. Annie has just eaten a large order of heavily salted french fries, some pickled eggs, and some cheese. How will consuming this much salt affect her physiology? a. There will be a temporary increase in blood volumne. b. She will experience hypotension c. There will be a shift in the pH of her body fluids to the higher side f the pH scale. 4. Assume a condition of metabolic acidosis. Which of the following is/are true? a. Bicarbonate levels in the plasma are low. b.The kidneys are reabsorbing bicarbonate at a rapid rate. c. The kidneys are adding new bicarbonate ions to the blood to bolster the alkaline reserve. d. Both A and C are correct 5. Estrogen and progesterone maintain the integrity of the uterine lining and prepare the mammary gland to secrete milk. Which of the following structures makes this possible during the first three months of pregnancy? a. the amnion b. the chorion c. corpus luteum d. corona radiata 6. The cardiovascular sstem of a newborn must be adjusted after the infant takes its first breath. Which of the foll=wing is also true? a. the ductus venosus is disconnected at the serverng of the umbilical cord and all visceral blood goes into the venacava. b. The foremen ovale between the artia of the fetal heart closes at the moment of birth. c. The ductus arteriosus is shut off by contractions of the muscles in the wall d. all of the above are correct.