What is a major function of the migrating motor complex

Cleaning of the gastrointestinal track

Osmotic diarrhoea occurs mainly because of?

Reduced absorption of nutrients

Which of the following is not performed by the liver

None of them are performed by the liver

Which of the following is not associated with secondary active transport event?

Transport of H+ to the gastric lumen

Which of the following is true?

Hypothalamic hunger centre is tonically active

Which of the following will induce more HCl secretion

Vagal efferent innervation and gastrin

Which of the following is not correct regarding bile?

Bile salts are reabsorbed in the duodenum

Which of the following is true?

Insulin stimulates production of anorexic neuropeptides

Which of the following is correct regarding gastrointestinal (GI) motility

Slow waves are not initiated by myoenteric motor neurons

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"Juan Review Lecture quiz" Human Physiology 2 Body System -Digestion and Metabolism

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Questions 24

Answers

1
which of the following prevents weight loss with dieting?
Increased leptin levels
Increased thyroid hormones release
Increased ghrelin production
Decreased LPL activity in adipose tissue
2
Which of the following allows the exit of glucose from the enterocytes?
GLUT2
SGLT
GLUT5
GLUT4
3
Which of the following contains glucose sensors?
Pancreas
All of them
Intestinal mucosa
Portal venules
4
Which of the following does not involve mechanical digestion?
Churning
Segmentation
Chewing
Hydrochloric acid
5
What is a major function of the migrating motor complex
Propulsion of alimentary bolus
Mixing of chyme by segmentation
Cleaning of the gastrointestinal track
Defecation
6
Orexigenin neuropeptides are released by which of the following?
cholecystokinin
ghrelin
insulin
high portal glucose levels
7
Which of the following does not deliver lipids to the adipose tissue?
LDL
Chylomicroms
VLDL
HDL
8
Which of the following is not involved in gastrointestinal short reflexes
Submucosal plexus
Sensory enteric neurons
Interneurons
Vagal afferent innervation
9
Osmotic diarrhoea occurs mainly because of?
Reduced absorption of nutrients
Enhanced migrating motor complex activity
Cholera toxic
Microbial infection
10
What structure is located between the longitudinal and circular muscle layers of the gut
Submucosal plexus
Serosa
Muscularis externa
Myenteric plexus
11
Which of the following is not performed by the liver
Glycogenolysis after a meal
Glycogenesis during starvation
Gluconeogenesis from fatty acids
None of them are performed by the liver
12
Which of the following is not associated with secondary active transport event?
Secretion of bicarbonate by the pancreas
Transport of H+ to the gastric lumen
Transport of Cl- to the enterocyte
Transport of galactose the enterocyte
13
Which of the following contributes to the final digestion of carbohydrates
Isomaltase
Pancreatic amylases
Salivary amylases
Brush border enteropeptidase
14
Which of the following is true?
Hypothalamic hunger centre is tonically active
GI muscle contraction is a short term signal to stop eating
Cholecystokinin inhibits the satiety centre
None is true
15
Which of the following is transported with aminoacids to the enterocyte?
Sodium
Bicarbonate
Protons
Chloride
16
In which of the following location does not occur chemical digestion?
Colon
Stomach
Mouth
Small intestine
17
Which of the following will induce more HCl secretion
Somastostatin and histamine
Vagal efferent innervation and gastrin
Somastostatin and gastrin
Acetylcholine, gastrin and somastostatin
18
Which of the following events is caused by glucose?
All of the answers
Secretion of electrolytes to the Gastrointestinal lumen
Activation of a secretory reflex
Secretion of water
19
Which of the following is not correct regarding bile?
Bile slats facilitate cholesterol absorption
Bile salts are reabsorbed in the duodenum
Bile excrete products arising from old erythrocytes removal
Hepatocytes pour bile components into canaliculi
20
Which of the following is not associated to the metabolic syndrome?
Hypertriglyceridemia
Subcutaneous obesity
Hypertension
Insulin resistance
21
Which of the following is true?
Insulin stimulates production of anorexic neuropeptides
Low aas triggers orexigenic peptides in ventromedial nucleus
Leptin promotes activation of the lateral nucleus
Thalamic nuclei control hunger and satiety
22
Which of the following is secreted by chief cells?
Mucins
HCl
HCO3-
Zymogens
23
Which of the following inhibits gastric emptying
Release of cholecystokinin by parietal cells
Contraction of circular muscle layer in the small intestine
Presence of fat in stomach
Secretion of secretin
24
Which of the following is correct regarding gastrointestinal (GI) motility
Slow waves are not initiated by myoenteric motor neurons
Gut peristalsis is controlled by interstitial cells of cajal
GI motility is a continuous event
Segmentation propels food in the small intestine

"Juan Review Lecture quiz" Human Physiology 2 Body System -Digestion and Metabolism Flashcards | StudBud