Chemical messengers released by immune system cells that help regulate and coordinate the immune response are
A. cytokines.
B. antibodies.
C. antigens.
D. histamines.
A. cytokines.
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Symptomatic treatment of COPD includes:
A) oxygen. B) bronchodilators. C) antibiotics. D) antihistamines.
The surgical removal of mastoid cells is known as a/an ____________________. This procedure is performed in this area to treat an infection that cannot be controlled with antibiotics.?
Fill in the blank(s) with correct word
Stretching cold, tight muscles is not recommended because it may
A. increase risk of injury. B. produce excessive flexibility. C. stretch ligaments and tendons. D. weaken muscles. E. increase muscular tension.
Which of the following contain one or two units of sugar per molecule and usually have a sweet taste?
A. simple carbohydrates B. triglycerides C. amino acids D. complex carbohydrates