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"False labor" is a result of what type of contractions?

A.

Wolffian

B.

Masters Johnson

C.

Graafian

D.

Braxton Hicks

Answer and Explanation

The Correct Answer is D

A. Wolffian refers to structures related to the male reproductive system during embryonic development, not to uterine contractions.

B. Masters Johnson: Masters and Johnson are known for their research in human sexual response, not for describing types of uterine contractions.

C. Graafian: Graafian refers to a mature ovarian follicle, which is unrelated to uterine contractions.

D. Braxton Hicks: Braxton Hicks contractions are irregular, non-labor contractions of the uterus often referred to as "false labor."


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Related Questions

Correct Answer is C

Explanation

A. Extracellular fluid (ECF) includes all the fluid outside of cells, such as interstitial fluid, blood plasma, and lymph. However, the majority of body water is found inside the cells.

B. Blood plasma and lymph are components of the extracellular fluid. Although they contain water, they do not hold the greatest volume compared to intracellular fluid.

C. Intracellular fluid (ICF) refers to the fluid within the cells, and it constitutes the largest volume of water in the body.

D. Tissue (interstitial) fluid is part of the extracellular fluid found between cells. While it contains a significant amount of water, it does not account for the greatest volume in the body.

Correct Answer is B

Explanation

A. Glomerulus is involved in filtering blood but not in producing hypertonic urine.

B. Collecting duct reabsorbs water and concentrates urine, making it hypertonic.

C. Nephron loop (loop of Henle) creates a concentration gradient in the medulla that helps in water reabsorption but is not the primary site for final urine concentration. This option is partially correct but less specific than the collecting duct.

D. Proximal convoluted tubule reabsorbs a significant portion of water and solutes but does not produce hypertonic urine.

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