A. Structural changes in rhodopsin
B. Activation of transducin
C. Decreased intracellular cGMP
D. Opening of Na+ channels
Correct Answer: Opening of Na+ channels ✔
Last Updated: February 07, 2020
Related MCQs
- The intrinsic factor for vitamins B12 absorption is produced in the__________?
- Peristalsis involves coordinated contraction and relaxation__________?
- Which is not produced enteroendocrinally__________?
- The most important action of Secretin is to__________?
- Trypsin is an activator of all of the following enzymes EXCEPT__________?
- which of the following secretions has a very high pH__________?
- Of the following is a reflex mediated by vagus ?
- Secretin is secreted by__________?
- Peristalsis in the gut is due to __________?
- The final sugars in intestinal chyme are__________?
- Cephalic phase of gastric secretion is mediated by __________?
- Most potent stimulus for secretin is__________?
- Cholagogues are the substances, which cause__________?
- Small intestinal peristalsis is controlled by __________?
- Maximum secretory glands in stomach are__________?
- Vagal stimulation following intake of food does not affect secretion of__________?
- Pepsinogen is activated by __________ ?
- Pharyngeal phase of deglutition__________?
- Production of bile takes place in__________?
- The most important function of hydrochloric acid in the stomach is__________?
- Histamine stimulate the secretion of__________?
- Bilirubin is conjugated with which of the following ?
- Bile color is due to__________?
- Bile salt repeats its cycle in__________?
- Stomach accommodates the meal by__________?
- All the following causes the secretion of gastric juice during cephalic phase EXCEPT__________?
- Within which parts of a gastric gland are chief cells located__________?
- Gastro – intestinal hormone in the following is__________?
- Cephalic phase of gastric secretion can be demonstrated by the following experiment__________?
- Fats absorbed with the help of bile salts are__________?
- Urine urobilinogen is absent in__________?
- Pancreatic juice rich in water and electrolytes but poor in enzymes is secreted in response to __________?
- Maximum absorption of bile occurs at__________?
- Gastric secretion is stimulated by all the following except__________?
- Secretin does not cause __________?
- The only sugar normally absorbed in the intestine against a concentration gradient is__________?
- Parietal cells of gastric mucosa secrete __________ ?
- The duodenum secretes a hormone which has following effects except__________?
- Gastrin is produced by __________?
- All are actions of CCK except__________?
- Best stimuli for secretion is__________?
- Nutrients are mainly absorbed in__________?
- Pancreas produce__________?
- Which of the following body secretions is maximum__________?
- Bile acids are derived from__________?
- In jaundice, there is an unconjugated hyperbilirubinemia which is most likely due to __________?
- Hypothyroidism should be treated with daily administration of which of the following thyroid hormone preparations ?
- Hypercalcemia associated with malignancy is most often mediated by __________?
- Insulin facilitates glucose uptake in__________?
- Not a glycoprotein__________?
- Cortisol__________?