What is the function of the bladder?
Reabsorption of potassium ions
Secretion of hormones
Storage of urid
Filtration of urine
The Correct Answer is C
A. Reabsorption of potassium ions: Potassium reabsorption occurs in the nephron, not in the bladder.
B. Secretion of hormones: The bladder does not secrete hormones; its primary function is to store urine.
C. Storage of urine: The bladder is responsible for storing urine before it is excreted from the body.
D. Filtration of urine: Filtration occurs in the kidneys, specifically in the glomerulus, not in the bladder.
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Related Questions
Correct Answer is D
Explanation
A. Lipids and proteins: While bile is involved in fat digestion, it does not emulsify proteins.
B. Proteins: Bile does not emulsify proteins. Proteins are broken down by enzymes like pepsin.
C. Carbohydrates and proteins: Bile has no role in the digestion of carbohydrates or proteins.
D. Lipids: Bile emulsifies lipids, breaking them into smaller droplets to facilitate enzymatic digestion by lipases.
Correct Answer is C
Explanation
A. Parietal Cell: Parietal cells are responsible for secreting hydrochloric acid (HCl) and intrinsic factor, not pepsinogen. HCl activates pepsinogen into pepsin.
B. Mucous Neck Cell: Mucous neck cells secrete mucus to protect the gastric lining but do not secrete pepsinogen.
C. Chief Cell: Chief cells (also known as zymogenic cells) are specialized cells in the stomach that secrete pepsinogen, the inactive precursor of the digestive enzyme pepsin.
D. Enteroendocrine Cell: Enteroendocrine cells secrete hormones like gastrin, which regulates digestive processes, but they do not secrete pepsinogen.
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