Which of the following is inhibited by progesterone during pregnancy?
A. Secretion of estrogen
B. The sensitivity of the myometrium to stimuli that promote contraction
C. Plugging of the uterus by thickened cervical mucus
D. Regression of the corpus luteum
E. Growth of the mammary glands
Answer: B
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What is the name of the structure indicated by the arrow in the following illustration?
A) central lobe of thyroid gland B) pyramidal lobe of thyroid gland C) isthmus of thyroid gland D) upper parathyroid gland E) thyroid fistula
In coin toss experiments, as well as in traits inherited by children in the same family, each event is independent of all others; in other words, chance does not have a memory of previous events.
Answer the following statement true (T) or false (F)
What is the origin of lymphatic vessels?
A) veins of the blood vascular system B) the organs of the digestive system C) arteries of the blood vascular system D) the glands of the endocrine system
The sternocleidomastoid muscle extends from the mastoid process of the temporal bone to the sternum and medial clavicle. When both sternocleidomastoid muscles contract, the head is flexed. The end of the muscle that connects to the sternum is the
A. origin. B. belly. C. body. D. insertion. E. fixator.