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What structure leads from each ovary to the uterus?

A.

Vagina

B.

Uterine tube

C.

Urethra

D.

Vas deferens

Answer and Explanation

The Correct Answer is B

A. Vagina: The vagina is the canal that leads from the cervix to the outside of the body, not the structure that connects the ovary to the uterus.

B. Uterine tube: The uterine tube, also known as the fallopian tube, connects the ovary to the uterus and is where fertilization typically occurs.

C. Urethra: The urethra is the tube that carries urine from the bladder to the outside of the body. It has no role in connecting the ovary to the uterus.

D. Vas deferens: The vas deferens is a structure in the male reproductive system that transports sperm from the testes. It does not exist in the female reproductive system.


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Related Questions

Correct Answer is A

Explanation

A. Na+: Sodium (Na+) is the principal cation in the extracellular fluid (ECF), which includes interstitial fluid and blood plasma.

B. Ca2+: Calcium (Ca2+) is important in various bodily functions but is not the principal cation in the ECF. Sodium is more predominant in ECF.

C. Cl-: Chloride (Cl-) is the principal anion in the ECF, not a cation. Sodium is the principal cation.

D. K+: Potassium (K+) is the principal cation in the intracellular fluid (ICF), not the ECF. Sodium is the principal cation in the ECF.

Correct Answer is D

Explanation

A. It increases both Na+ and K+ secretion: Aldosterone increases sodium (Na+) reabsorption and potassium (K+) secretion, but it does not increase the secretion of both ions.

B. It causes the urine to be more diluted. Aldosterone causes the urine to be more concentrated by increasing sodium reabsorption and potassium secretion.

C. It reduces Na+ reabsorption and K+ secretion. Aldosterone actually increases sodium reabsorption and potassium secretion, not reduces them.

D. It increases Na+ reabsorption and K+ secretion. Aldosterone promotes sodium reabsorption in the kidneys and increases potassium secretion, leading to more concentrated urine.

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