NEET MDS Shorts
18092
Physiology
Answer: 3) Increased glucose uptake and glycogen synthesis
Explanation: Insulin stimulates glucose uptake by muscle cells and promotes glycogen synthesis. It does so by increasing the number of glucose transporters on the muscle cell membrane and facilitating the transport of glucose into the cells.
89818
Physiology
Bitter taste is mediated by the activation of bitter receptors, which are G protein-coupled and result in an increase in intracellular Ca+2 and subsequent neurotransmitter release, not by the activation of sodium channels as seen in salty taste transduction.
95619
Physiology
The rate of gastric emptying is influenced by the type and amount of food consumed. In healthy individuals, it typically takes 1-4 hours for the stomach to empty its contents into the duodenum. The rate of emptying can be slower with high-fiber or high-fat meals and faster with liquids. Factors such as gastric motility, the presence of gastric emptying hormones, and the presence of food in the intestine also play a role in this process.
61767
PhysiologyThe osmolarity of the tubular fluid leaving the early distal tubule is hypotonic, as it has lost solutes while retaining water.
53377
PhysiologyThe primary mechanism by which acid secretion is regulated in the stomach is by the pH of the stomach content, which influences gastric secretions.
85002
PhysiologyThe regression of the corpus luteum leads to a sharp decline in estrogen and progesterone levels, which in turn causes the endometrium to shed and results in menstrual bleeding.
68814
PhysiologyThe conversion of 7-dehydrocholesterol to cholecalciferol (vitamin D3) in the skin is initiated by the action of UVB light from sunlight, not by any specific hormone.
91253
Physiology
The cholinergic system, which is part of the parasympathetic nervous system, stimulates the parietal cells in the stomach to release hydrochloric acid (HCL) through the activation of muscarinic M1 receptors. This is crucial for the digestion of food and the maintenance of gastric pH.
54007
PhysiologyAs tubular fluid ascends the Loop of Henle, its osmolarity becomes hypotonic due to the reabsorption of sodium and chloride without water.
16128
PhysiologyHemolytic anemia is NOT a clinical consequence of defective bile acid absorption; rather, it is associated with the destruction of red blood cells, while fat malabsorption, steatorrhea, and vitamin K deficiency can occur due to bile salt deficiency.