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Progesterone is produced by the ovaries after ovulation. What is its main function?

A.

Maintaining the uterine lining for potential pregnancy

B.

Promoting sperm production

C.

Inducing uterine contractions

D.

Enhancing follicle development

Answer and Explanation

The Correct Answer is A

A. Maintaining the uterine lining for potential pregnancy: Progesterone is produced by the corpus luteum after ovulation and prepares/maintains the endometrium for implantation and early pregnancy.
B. Promoting sperm production: Sperm production is a male function driven by FSH and testosterone; progesterone does not promote spermatogenesis.
C. Inducing uterine contractions: Progesterone actually inhibits uterine contractions to help maintain pregnancy; oxytocin and prostaglandins promote contractions.
D. Enhancing follicle development: Follicle development is primarily stimulated by FSH and estrogen during the follicular phase; progesterone is dominant after ovulation and does not enhance follicle development.


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Related Questions

Correct Answer is {"dropdown-group-1":"A","dropdown-group-2":"A"}

Explanation

A. Oogenesis:Produces 1mature ovum. During oogenesis the unequal cytokinesis of meiotic divisions creates one large functional ovum and smaller polar bodies.
B. Meiosis:Meiosis is the cell-division mechanism that reduces chromosome number. In spermatogenesis meiosis yields 4functional sperm, but in oogenesis meiosis (with unequal cytokinesis) yields 1functional ovum plus polar bodies.
C. Spermatogenesis:Spermatogenesis produces 4mature sperm from one spermatogonial cell (not ova) -it does notproduce mature ova.

Correct Answer is ["C","D"]

Explanation

A. Urea: Urea is a normal nitrogenous waste product excreted in urine; its presence alone is not indicative of diabetes (it reflects protein metabolism/kidney function).
B. Creatinine: Creatinine is a normal urinary waste product used to assess kidney function; its presence alone is not diagnostic of diabetes.
C. Glucose: Glucosuria (significant glucose in urine) suggests hyperglycemia and impaired glucose handling (common in diabetes) -indicative of a diabetic problem if present in large amounts.
D. Ketones: Ketonuria (significant ketones in urine) indicates fat breakdown/ketosis and is a sign of uncontrolled diabetes (e.g., diabetic ketoacidosis) -indicative of diabetic metabolic disturbance.

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