Progesterone
A. is produced by the corpus luteum.
B. exerts negative feedback over testosterone secretion.
C. inhibits the formation of secondary sexual characteristics.
D. All apply.
Answer: A
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Which of the following events is most likely to occur when blood glucose levels are high and the pancreas responds by secreting insulin?
A) Glycogen breakdown in the liver is stimulated B) Adipose tissue uptake of glucose and its conversion to triglycerides is stimulated C) Down regulation of the GLUT-4 transporter in skeletal muscle D) All of the above
The vessels that deliver oxygen to the tissues of the body are part of the __________.
Fill in the blank(s) with the appropriate word(s).
The thoracic duct ultimately empties all of its lymph into the left ____ vein
a. thoracic b. jugular c. subclavian d. pharyngeal
Answer the following questions true (T) or false (F)
1. Cross-sectional area increases as arteries branch into smaller vessels, causing the blood to flow more slowly. 2. Mean arterial pressure generally measures around 120/80 mm Hg. 3. Increase or decrease in blood oxygen concentration triggers the baroreceptor reflex, which is regulated by the medulla of the brainstem.