2. Chylomicrons? a) Enter the lymphatic system through lacteals in the GI tract

Question

2.      Chylomicrons?

         a)      Enter the lymphatic system through lacteals in the GI tract

         b)     First enter the circulation through capillary beds in the GI tract

         c)      Are acted on by skeletal muscles lipoprotein lipase (LPL) to yield fatty acids

         d)`    a and c are correct

24. Which one of the following statements is correct?

         a)      To be effective enterokinase must be converted from an inactive to an active                             form.

         b)      The pancreas secretes acid to neutralize chyme that enters the                                                       small intestine.

         c)      Mucous cells secrete mucous and bicarbonate to prevent HCL from

                           damaging the stomach

         d)      The primary exocrine function of the pancreas is to secrete gastrin

12. Water absorption?              

         a)      Occurs primarily in the stomach

         b)     Primarily occurs in the small intestine

         c)      Is decreased in the large intestine when aldosterone levels increase

         d)     None of the above are correct

40.             Which of the following statements is correct?

         a)      Spermatocytes are fully motile when released into the lumen of the                                         Seminiferous tubules

         b)     During ejaculation the seminal vesicles add fluid containing fructose

         c)      Following ejaculation semen initially clots

         d)     b and c are correct

38.    An elderly patient who is institutionalized has extremely low levels of albumin. The

                  patience MAP was 85 and constant. Which of the following is likely to occur?

a)      Myogenic regulation would maintain constant GFR

b)      Tubuloglomerular feedback would maintain constant GFR

c)      Sympathetic activity would decrease GFR

d)      a and b

Explanation / Answer

2.d) Chylomicrons are the particles of lipoproteins which contains triglycerides. Chylomicrons enters the lymphatic system through lacteals in the GI tract and are acted on by skeletal muscles lipoprotein lipase (LPL) to yield fatty acids. Chylomicrons transport lipids which is absorbed by the intestine to adipose, skeletal and cardiac muscles.

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