A vaccine produces its effects by
A) activating autoantibodies.
B) chemotaxis, the attraction of antigens to areas where the vaccine can destroy them.
C) stimulating a primary immune response.
D) directly attacking the antigens and neutralizing them.
C
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The ________ nervous system is composed of the brain and spinal cord
A) autonomic B) peripheral C) central D) efferent E) afferent
The scrotum contains the testes and spermatic cords.
Answer the following statement true (T) or false (F)
Lipids (either nutrients or hormones) are insoluble in water but are found traveling in the plasma of the blood. Which of the following is the most likely explanation for this?
A) Lipids are carried in plasma bound to soluble plasma transport proteins B) Lipids are carried only in the lymph which is primarily composed of unsaturated fats C) Lipids are carried inside blood cells D) Enzymes in the plasma convert lipids to soluble forms.
Autoimmune disorders are hypersensitivities in which the body fails to recognize its own _______
Fill in the blank(s) with the appropriate word(s).