Impotence occurs when
A. sperm cell production decreases.
B. an erection cannot be achieved or maintained.
C. semen moves out of the urethra.
D. the erectile tissues of the penis fill with blood.
E. semen accumulates in the urethra.
Answer: B
You might also like to view...
If agglutination occurs after a blood transfusion, it may indicate
A. there were no agglutinins (antibodies) in the recipient blood. B. the donor had type O blood. C. the wrong blood type was used. D. the recipient had type AB blood.
Short-chain triglycerides found in foods such as butterfat molecules in milk are split by a specific enzyme in preparation for absorption. Which of the following enzymes is responsible?
A) rennin B) pepsin C) lipase D) cholecystokinin
Which of the following alterations could lead to edema?
a. A fall in capillary blood pressure b. A fall in the concentration of plasma proteins c. Blocked lymph vessels d. Both a and b e. Both b and c
The presence of more oxytocin receptors in the uterus leads to weak, irregular contractions known as ________
A) dystocia B) Braxton Hicks C) menopause D) cryptorchidism E) C-section