A mismatch of blood types during a transfusion is dangerous because ________
A) white blood cells from the donor's blood cause inflammation
B) antibodies in the donor's plasma will attack and kill the recipient's healthy blood cells
C) clotting factors in the donor's blood will cause unwanted clots known as thrombus
D) preformed antibodies in the recipient's blood will bind and clump (agglutinate) the donated cells
D
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When you go outside on a hot summer day, your body temperature heats up above the normal range. Receptors in your brain detect the change in body temperature. The brain activates nerve cells that send messages to sweat glands, causing the body temperature to fall as the sweat evaporates from the skin. What part of this feedback loop is the stimulus?
What will be an ideal response?
The digestive system eliminates carbon dioxide from the body
Indicate whether the statement is true or false
The ovary is surrounded by a capsule of fibrous connective tissue called the ________.
A. peritoneum B. mesovarium C. tunica albuginea D. tunica alba E. medulla
Which of the following statements is a false or incorrect statement?
A) The male urethra serves both the urinary and reproductive systems at the same time. B) The male urethra serves both the urinary and reproductive systems but at different times. C) The male urethra is longer than the female urethra. D) The male urethra is a passageway for both urine and semen.