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Reabsorption of glucose at luminal border needs:
Anonymous Quiz
18%
SGLT-1
2%
GLUT-1
8%
GLUT-2
73%
SGLT-2
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Reabsorption of glucose at basolateral border is done by:
Anonymous Quiz
0%
Simple diffusion.
80%
Facilitated diffusion.
2%
Primary active transport.
18%
Secondary active transport.
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Tubular transport maximum for glucose:
Anonymous Quiz
89%
The maximum amount of glucose (in mg) that can be reabsorbed by the renal tubules per minute
0%
The maximum amount of glucose (in mg) that can be secreted by the renal tubules per minute
7%
is determined by number of glucose receptors in kidney
4%
Is the amount of glucose that appears in urine per minute.
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Obligatory water reabsorption:
Anonymous Quiz
2%
Is dependent on ADH.
5%
Is an active process.
91%
Comprises 87% of the filtered water
2%
Comprises 13% of the filtered water.
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Facultative water reabsorption:
Anonymous Quiz
91%
Is dependent on ADH.
2%
Is an active process.
0%
Comprises 87% of the filtered water.
7%
Comprises 13% of the secreted water.
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Final adjustment of the urine volume and osmolarity depends on:
Anonymous Quiz
77%
The extent of facultative water reabsorption only
4%
The extent of obligatory water reabsorption only.
17%
All of the above.
2%
None of the above.
Which of the ions has the highest concentration in saliva under basal condition
Anonymous Quiz
98%
Bicarbonates
0%
Chloride
0%
Hydrogen
2%
Sodium
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A 42-year-old healthy man takes a daily multivitamin to complement his diet. Which of the following is required for absorption of the fat- soluble vitamins contained in his supplement?
Anonymous Quiz
2%
Chymotrypsin
18%
Intrinsic factor
8%
Pancreatic amylase
72%
Bile salts
Which of the following processes will be most affected by a partial gastrectomy affecting the proximal third of the stomach?
Anonymous Quiz
90%
Receptive relaxation
5%
Peristalsis
3%
Retropulsion
3%
Segmentation
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Saliva is characterized by all the following except:
Anonymous Quiz
15%
Has higher K concentration than plasma
64%
Has higher CL concentration than plasma
6%
Contains mucus
14%
Secretion is stimulated by parasympathetic
After a laparoscopic vagotomy a patient experiences nausea and vomiting after ingestion of a mixed meal. Which of the following best explains her symptoms?
Anonymous Quiz
5%
Decreased gastric emptying of liquids
79%
Decreased gastric emptying of solids
5%
Increased gastric emptying of liquids
11%
Increased gastric emptying of solids
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The esophagogram during a barium swallow shows a dilated esophagus with an area of distal stenosis. These findings are consistent with which of the following diagnoses?
Anonymous Quiz
5%
Diffuse esophageal spasm
9%
GERD
81%
Achalasia
5%
peptic ulcer
Clinical evaluation of 25 year old man reveals a decreased serum calcium and iron concentrations, and microcytic anemia. Inflammation in which area of the GI tract best explains these findings?
Anonymous Quiz
88%
Duodenum
3%
Jejunum
8%
Ileum
3%
Colon
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In the stomach acid output is increased by which of the following?
Anonymous Quiz
75%
Alkalinization of the antrum
1%
Vagotomy
12%
Administration of an H2 -receptor antagonist
12%
Acidification of the antrum
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In infants, defecation often follows a meal, the cause of colonic contraction in this situation is
Anonymous Quiz
8%
Increased circulating levels of CCK
78%
The gastrocolic reflex
3%
Increased circulating levels of somatostatin
11%
The enterogastric reflex
0%
Histamine
Removal of the terminal ileum will most likely result in which of the following?
Anonymous Quiz
0%
Decreased glucose absorption
24%
Increased bile acid concentration in the enterohepatic circulation
76%
Increased excretion of fatty acids.
0%
Increased iron absorption
Forwarded from Study Partner 196👨🏻⚕️👩🏻⚕️
The consequence of a non-pharmacologically compensated gastrectomy is
Anonymous Quiz
23%
Folate acid deficiency
67%
Cobalamin deficiency
8%
Vitamin B6 deficiency
2%
Vitamin B9 deficiency
In case of pancreatitis. The steatorrhea can be accounted for by a decrease in the intraluminal concentration of which of the following pancreatic enzymes?
Anonymous Quiz
0%
Amylase
2%
Chymotrypsin
90%
Lipase
7%
Trypsin
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Which of the following is true about the secretion from the exocrine pancreas?
Anonymous Quiz
1%
It has a higher Cl- concentration than does plasma
1%
It is stimulated by the presence of HCO3- in the duodenum
9%
Pancreatic HCO3-secretion is increased by gastrin
88%
Pancreatic enzyme secretion is increased by cholecystokinin (CCK)