Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
19 Cards in this Set
- Front
- Back
|
3>Which is stomach hormone?
a.gastrin b.secretin c. cholecystokinin d. a and b only e. b and c only |
a. gastrin
|
|
|
7) 5'AMP is a :
a. high energy phosphate compound b. a hormone of the duodenum c. intracellular compound that binds to dna d. intracellular second messenger e. none of the above |
e. none
|
|
|
31. what organ is NOT involved in regulating blood calcium?
a.skin b.liver c.bone d. intestine e. all are involved |
e. all are involved.
|
|
|
30. which pair of cell types are responsible for synthesizing and secreting digestive enzymes?
a. parietal cells/acinar cells b.chief cells/parietal cells c. chief cells/acinar cells d.crypt cells/acinar cells e.salivary cells/crypt cells |
c. chief cells/acinar cells
|
|
|
36. the final stage of sugar digestion occurs where?
|
at the brush border of the jejunal epithelial cells
|
|
|
37. stomach acid and enzyme secretion and motility are increased by...
|
gastrin
|
|
|
38. ACTH regulates what process
|
Blood concentration of NaCl and
gluconeogenesis |
|
|
12. Peptides are:
a.digested completely in the stomach b.always enter intestinal eptihelial cells as individula amino acids following their digestion at the intestinal brush border. c. use the sodium gradient across the brush border to enter gut cells d. are cotransported with protons from lumen to epithelial cell e. are transferred to the blood only as di- and tri-peptides |
d. are cotransported with protons from lumen to epithelial cell
|
|
|
20.Which of the following statements about gas transport is true?
a. oxygen i transported i the blood plasma complexed with blood proteins b. fetal hemoglobin has a lower oxygen affinity than does adult hemoglobin c.fetal hemoglobin oxygen dissociation curves are an example of the bohr effec d. cooperativity occurs in the binding of CO2 to hemoglobin e.none of the above are true |
e.none of the above are true
|
|
|
28. In which phase of the cardiac contraction cycle do the pulmonary and aortic valves close
|
e. isometric ventricular relaxation
|
|
|
11.Chylomicron
|
d. phospholipid and protein coated triglycerides
|
|
|
10. Emulsification is produced by
|
Bile Salts
|
|
|
8. Two hormones that enter target cells and initiate responses by binding directly to intracellular receptors?
|
e.aldosterone and 25-hydroxycholcalciferol
(note* because these are both steriod hormones ie. lipid based) |
|
|
5. Feedback control of cortisol release where?
a.kidney b.posterior pituitary c. adrenal cortex d. anterior pituitary e. none of the above |
d. anterior pituitary
|
|
|
19. Which is most abundant way in which carbon dioxide is transported by the blood?
|
c. CO2 dissociated into H+ and HCO3
|
|
|
21. Which is not a STARLING force
a. internal hydrostatic pressure b. internal oncotic pressure c. external oncotic pressure d. internal osmotic pressure e. external hydrostatic pressure. |
d. internal osmotic pressure
|
|
|
29. During countercurrent heat exchange: a) blood flows out to an appendage and heat passes across the capillary bed to the returning vein
b. blood flows out to an appendage and gets shunted to a returning vein thruough an arteriovenous anastomosis c. heat is transferred from an artery to a vein as blood flows to an appendage. d. heat is transferred from an artery to a vein before blood leaves the central part of the body e. none of the above are correct. |
c. heat is transferred from an artery to a vein as blood flows to an appendage
|
|
|
27. In the cardiac contraction cycle, which phase shows the greatest change in ventricular pressure?
a. late diastole b.atrial systole c. isometric ventricular contraction d.ventricular ejection e.isometric ventricular relaxation. |
c. isometric ventricular contraction
|
|
|
34. Filtration is :
a. the outward movement of dissolved gases and solutes from the capillary to the metabolizing tissues. b. due to increased oncotic pressure inside the capillary than in the interstitial fluid. c. the net pressure difference between internal and external hydrostatic pressures d. outwardly directed at athe arteriolar end of the capillary and inwardly directed at the venular end e. all of the above are correct |
e. all of the above are correct
|
