Which of the following types of cells break down bone?
a. osteodegenerator
b. osteoblasts
c. osteoclasts
d. osteocytes
Answer: c. osteoclasts
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Which of the following scenarios is an example of retroactive interference?
Which of the following is incorrect pertaining to the portal vein?
A) It is typically formed by the superior mesenteric and splenic veins posterior to the neck of the pancreas. B) It carries more of the total blood volume reaching the liver than any other vessel. C) It is typically the most anterior of the structures within the hepatoduodenal ligament. D) It divides into right and left branches at the porta hepatis. E) It may spread cancer to the liver.
During the process of implantation, the inner cell mass (ICM) gives rise to three embryonic membranes. Which of the following is not one of these membranes?
A) amnion B) yolk sac C) allantois D) chorion
The vestibule is
A) a central space surrounded by the labia minora. B) the inner lining of the uterus. C) the inferior portion of the uterus. D) a muscular tube extending between the uterus and the external genitalia. E) a tube that carries ova from the ovary to the uterus.