Low-grade fever is an effective defense for short periods of time because it
A. includes pyrogens that destroy the pathogens.
B. increases iron in the blood.
C. slows the attack of phagocytes.
D. increases temperature, which slows the growth of bacteria.
Answer: D
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A. DNA, tRNA, and rRNA. B. glucose, glucagon, and glycogen. C. ATP, glycogen, and triglyceride. D. ADP, DNA, and mRNA. E. glucagon, insulin, and protein.
Which organ is NOT found in the thoracic cavity?
A) heart B) primary bronchi C) lung D) liver
The prostaglandin, thromboxane A2, stimulates ________.
A. platelet aggregation B. vasoconstriction C. vasodilation D. platelet repelling
Which hormone and the organ that makes it match is incorrect?
A) Insulin and pancreas B) Melatonin and pineal gland C) Epinephrine and adrenal medulla D) Thyroid-stimulating hormone and thyroid gland