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Physiology - 3 Questions
What hormone is secreted by the kidneys that stimulates red blood cell production?1) Renin2) Erythropoietin3) Aldosterone4) Cortisol
Erythropoietin is the hormone secreted by the kidneys that stimulates red blood cell production in response to low oxygen levels in the blood.
What is the primary action of endorphins on the body?1) Inhibition of pain2) Stimulation of growth3) Regulation of mood and emotions4) Increased blood pressureE. Regulation of sleep-wake cycle
Endorphins, particularly ?-endorphin, are opioid peptides that act as natural painkillers. They are released during stress and pain and bind to opioid receptors in the brain and spinal cord to inhibit the transmission of pain signals. While they do have secondary effects on mood and stress response, their primary function is pain inhibition.
What is the condition characterized by the lack of intrinsic factor, leading to vitamin B12 malabsorption?1) Pernicious anemia2) Celiac disease3) Lactose intolerance4) Crohn's disease
Pernicious anemia is characterized by the lack of intrinsic factor, leading to vitamin B12 malabsorption and subsequent anemia.
MCQ