Forwarded from Study Partner 196👨🏻⚕️👩🏻⚕️
With maximum salivary secretion rate results in which change in ionic composition?
Anonymous Quiz
12%
K increases
9%
CL decreases
31%
HCO3 concentration increases
48%
Na concentration increases
Forwarded from Study Partner 196👨🏻⚕️👩🏻⚕️
Which of the following stimulates pancreatic secretion rich in bicarbonates?
Anonymous Quiz
4%
somatostatin
3%
Gastrin
26%
CCK
67%
Secretin
Forwarded from Study Partner 196👨🏻⚕️👩🏻⚕️
All the following causes secretion of gastric juice during cephalic phase except:
Anonymous Quiz
4%
Food in mouth
3%
Sight of food
86%
Food in stomach
8%
Thought of food
Forwarded from Study Partner 196👨🏻⚕️👩🏻⚕️
The metabolic rate decreases in all the following, except:
Anonymous Quiz
8%
Prolonged fasting
2%
During sleep
89%
During pregnancy
2%
Old age
Forwarded from Study Partner 196👨🏻⚕️👩🏻⚕️
In the body, metabolism of 100g of protein would produce approximately:
Anonymous Quiz
5%
1 Kcal
11%
41 Kcal
73%
410 Kcal
11%
4100 Kcal
Forwarded from Study Partner 196👨🏻⚕️👩🏻⚕️
The mechanism of fever reduction by aspirin is
Anonymous Quiz
3%
shivering
3%
stimulation of cyclooxygenase
85%
inhibition of prostaglandin synthesis
8%
increasing the hypothalamic set-point temperature
Forwarded from Study Partner 196👨🏻⚕️👩🏻⚕️
For the average healthy, normal male aged 20, the:
Anonymous Quiz
19%
Body fat is about 30 per cent of total body weight.
15%
Skin-fold thickness is higher than in a female.
54%
Heart rate during maximal exertion is about 200 beats per minute.
12%
Cardiac output during maximal exertion is about 10 litres per minute.
A patient with liver cirrhosis presents to the emergency room with hematemesis After stabilizing him with IV fluids, the gastroenterolo- gist administers an analog of which of the following agents to inhibit gastric acid secretion and visceral blood flow?
Anonymous Quiz
0%
Acetylcholine
10%
Gastrin
3%
Histamine
87%
Somatostatin
The rate of gastric emptying increases with an increase in which of the following?
Anonymous Quiz
3%
. Acidity of duodenum
5%
Fat content of duodenum
5%
Intraduodenal volume
88%
Intragastric volume
Which of the following stimulates HCI in gastric secretion?
Anonymous Quiz
2%
Secretin
95%
Gastrin
2%
CCK
0%
Motilin
Enterokinase helps in the conversion of
Anonymous Quiz
0%
Lactose to Sucrose
90%
Trypsinogen into trypsin
10%
Pepsinogen into pepsin
0%
Proteins into polypeptide
About pancreatic secretion
Anonymous Quiz
15%
Pancreatic acinar cells contain trypsin
73%
When acid enters the duodenum it stimulates pancreatic secretion
8%
Pancreatic secretion is inhibited by gastrin secreted by the G-cells of the antrum
5%
Cholecystokinin inhibits secretion from the exocrine pancreas
Which of the following statements is true?
Anonymous Quiz
0%
Bile is diluted in the gallbladder
11%
Bile salts are formed from the breakdown products of hemoglobin
87%
Bile salts are mostly absorbed in the distal ileum
3%
The gallbladder can produce 500-1000 mL of bile per day
GIT hormones with a major effect on the stomach include the following except:
Anonymous Quiz
7%
Gastrin
7%
Secretin
5%
GIP
80%
Neurotensin
Gastric secretion is stimulated by all the following except:
Anonymous Quiz
3%
Gastric distension
92%
Secretin
3%
Gastrin
3%
Vagal stimulation
Stomach accommodates the meal by
Anonymous Quiz
95%
Receptive relaxation
0%
Peristaltic waves
2%
Pyloric pump
2%
Migrating motor complex
Gastric secretion is:
Anonymous Quiz
7%
Stimulated by vagotomy
7%
Inhibited by gastrin
79%
Stimulated by histamine
7%
Stimulated when PH within the stomach drops below 2
What prevents food from entering the nasal passages during swallowing?
Anonymous Quiz
80%
Elevation of uvula
2%
Contraction of pharyngeal muscles
2%
Apposition of vocal folds
15%
Elevation of epiglottis
The major chemical digestive activity that takes place in the stomach is...
Anonymous Quiz
5%
Breakdown of starch
90%
Breakdown of proteins
3%
Digestion of fats
3%
Neutralization of acid by buffers & mucous
Stimulation of the submucosal plexus results in an increase in which of the following?
Anonymous Quiz
0%
Stomach PH
88%
Secretion of the gut
7%
Motility of the intestine
5%
Tone of sphincters