The long length of the cardiac action potential, at 200-300 msec, allows for:
A) less calcium ions to enter cells.
B) a reduction in strength of the heart's contraction.
C) a faster heart rate.
D) an opportunity for the heart to fill with blood.
Answer: D
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Which of the following statements concerning the uterine tube is true?
A. The outer layer of the tube is formed by the ampulla. B. The oocyte is moved along the tube by peristaltic contractions of the muscular layer. C. The opening of the uterine tube is the mesosalpinx. D. The portion of the uterine tube closest to the uterus is the infundibulum. E. Fimbria are associated with the lining of the tube.
The process by which a cell receives and responds to incoming messages is called ________ transduction.
Fill in the blank(s) with the appropriate word(s).
Which of the following are agranulocytes?
A. Monocytes B. Eosinophils C. Neutrophils D. Basophils
Why would an enlarged prostate interfere with urination?
A. It compresses the urethra. B. It produces thicker prostatic secretions that block the urethra. C. It inhibits urine production. D. It develops calcified deposits that block the urethra. E. It inhibits the micturition reflex.