Hormones are released into the blood stream to bind to target organs and cells
Indicate whether the statement is true or false.
TRUE
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The fetus receives antibodies from the mother which last several weeks after birth. This is an example of ________
A) Natural passive immunity B) Natural active immunity C) Artificial active immunity D) Artificial passive immunity
Myelin consists mainly of which of the following?
A. Phospholipids B. Carbohydrates C. Proteins D. Lipofuscin E. Cholesterol
On average, about half of the body heat that is lost is due to
a. radiation b. convection c. conduction d. evaporation e. none of these
A person with type AB blood receives a transfusion of type O blood. Will there be a transfusion reaction? Why or why not?
A) No: the recipient has no antibodies to antigens A and B, and therefore can receive blood from a type O donor. B) Yes: the recipient must receive blood of the same type as his or her own. C) No: the anti-A and anti-B antibodies of the recipient do not affect the donated blood, because type O blood has no A or B antigens. D) Yes: the anti-A and anti-B antibodies of the recipient clump and hemolyze the donated blood.