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The secretion of which hormone increases the permeability of cells in the collecting ducts to water so more can be reabsorbed?

A.

Aldosterone hormone

B.

Atrial natriuretic peptide hormone

C.

Antidiuretic hormone

D.

Parathyroid hormone

Answer and Explanation

The Correct Answer is C

A. Aldosterone hormone: Aldosterone affects sodium and potassium reabsorption, increasing water retention indirectly, but it does not directly increase water permeability in the collecting ducts.

B. Atrial natriuretic peptide hormone: This hormone decreases blood volume by inhibiting sodium reabsorption, leading to more water excretion, not reabsorption.

C. Antidiuretic hormone (ADH): ADH increases the permeability of the collecting ducts to water, allowing more water to be reabsorbed into the bloodstream.

D. Parathyroid hormone: This hormone primarily regulates calcium levels, not water permeability.


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Related Questions

Correct Answer is D

Explanation

A. Gametes are only found in males: This statement is incorrect; gametes (sperm and eggs) are found in both males and females.

B. Gametes have double the chromosomes: This is incorrect; gametes are haploid (having half the number of chromosomes), while somatic cells are diploid (having two sets of chromosomes).

C. Gametes do not go through cell division: Gametes are produced through meiosis, which is a type of cell division.

D. Gametes go through meiosis: Gametes are produced through meiosis, a specialized form of cell division that reduces the chromosome number by half, allowing for sexual reproduction.

Correct Answer is A

Explanation

A. Early spermatid: Early spermatids are haploid cells, round in shape, and have a central nucleus with a significant amount of cytoplasm.

B. Spermatogonium: Spermatogonia are diploid cells found in the basal layer of the seminiferous tubules and are not haploid.

C. Late spermatid: Late spermatids are more elongated and less round as they are close to maturing into sperm.

D. Primary spermatocyte: Primary spermatocytes are diploid cells that undergo meiosis to produce haploid spermatids.

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