Juvenile Pancreatic Atrophy in a Dog
History. You are presented with a thin, 3-year-old German shepherd. I he owners report that the dog appeared normal until 6 months ago. At that time they noticed that he started losing weight and began to cat his own feces.
Recently the weight loss has become more severe, even though he has had a good appetite and seems normal otherwise. Lately, the owners have noted that the dog seems to pass a large amount of feces, which is soft and gray with a claylike consistency.Clinical and Laboratory Examination. Physical examination reveals an extremely thin dog with a dull, uneven hair coat. Other physical findings are unremarkable, and the dog seems bright and friendly. You hospitalize the animal for further testing and note that he readily eats two cans of commercial dog food per day. Laboratory analysis of feces collected over a 24-hour period reveals that the dog is passing 25 g of fat in the feces per day (normal, pump could be expected to have what effect on sodiumglucose co-transport?
a. Increased sodium-glucose co-transport
b. Decreased sodium-glucose co-transport
c. No effect on sodium-glucose co-transport
5. During sodium absorption by glucose co-transport:
a. Chloride is absorbed by the paracellular route.
b. Chloride absorption is not affected.
c. Chloride is absorbed in exchange for bicarbonate.
d. Chloride absorption is coupled with potassium absorption.
e. Chloride is absorbed in exchange for hydrogen ion.
6. Before entering the intestinal capillaries, all nutrients pass through the:
a. Apical membrane
b. Tight junction
c. Lateral space
d. Basolateral membrane
e. Enterocyte cytoplasm