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Physiology - 3 Questions
Leptin is a hormone secreted by adipose tissue that acts on the hypothalamus to inhibit food intake and increase energy expenditure. It plays a key role in regulating body weight and metabolism by signaling satiety and modulating the sensation of hunger and fullness.
The first sensation of bladder filling occurs at approximately:1) 150 ml2) 250 ml3) 450 ml4) 750 ml
The first sensation of bladder filling, known as the first sensation of urgency, typically occurs when the bladder is about one-quarter full, which is around 150 ml. This is the point where an individual begins to become aware of the need to urinate.
What is the mechanism by which glucose is reabsorbed in the proximal tubules of the kidney?1) Passive diffusion2) Facilitated diffusion3) Active transport4) Osmosis
Glucose is reabsorbed in the proximal tubules of the kidney primarily through active transport mechanisms, utilizing sodium-glucose transporters.
MCQ