Menstrual cramps are most commonly caused by
A. increased prostaglandin secretions.
B. increased estrogen secretion by the ovary.
C. increased FSH levels.
D. increased HCG hormone release.
E. a decreased inflammatory response in the endometrium.
Answer: A
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The developmental stage at which erythrocytes enter the circulation is as
A) hemocytoblasts. B) reticulocytes. C) band forms. D) myeloid cells. E) proerythrocytes.
The receptors for dynamic equilibrium are in the ________
A) cochlea B) semicircular canals C) vestibule D) utricle
The stomach needs the celiac artery blood supply in order to receive blood.
Answer the following statement true (T) or false (F)
Which of the following is the site of contact digestion?
A. The gastric pits B. The brush border of the small intestine C. The surface of the gastric mucosa D. The intestinal crypts E. The cytoplasm of the small intestinal cells