________ is defined as an inability to achieve or maintain an erection
A) Infertility
B) Benign prostatic hypertrophy
C) Emission
D) Sterility
E) Impotence
Answer: E
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__________ anemia is caused by excessive blood loss.
Fill in the blank(s) with the appropriate word(s).
What connects the stereocilia in a hair bundle?
A. calcium channels B. tip links C. spiral ligaments D. outer hair cells
Which of the following is the function of calcitonin?
A. Causes osteoblasts to deposit bone, reducing blood calcium levels B. Causes the kidney to reabsorb calcium in order to maintain blood calcium levels C. Causes osteoclasts to reabsorb bone therefore increasing blood calcium levels D. Causes the small intestines to absorb calcium in order to increase blood calcium levels
The fingerlike structures of the placenta that form from its fetal portion are known as
A. chorionic villi. B. amniotic villi. C. amniotic stalks. D. chorionic stalks.