Autoimmune diseases are disorders in which the immune system fails to distinguish ________ from foreign ones.
A) self-immunoglobulins
B) self-complement proteins
C) self-antibodies
D) self-antigens
E) self-interleukins
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Question 2) A pilus is a ________.
A) gland associated with a hair follicle
B) sensory nerve fiber around the base of a hair
C) tiny muscle that moves a hair
D) hair follicle
E) hair
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Question 3) Which cranial nerve innervates the sternocleidomastoid and trapezius?
A) Vagus B) Facial C) Abducens D) Trigeminal E) Accessory
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Question 4) The formula of an amino group is ________; the formula of a carboxyl group is ________.
A) -OH; -SH
B) -NH2; -COOH
C) -COOH; -OH
D) -CH3; -NH2
E) -SH; -H2PO4
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Question 5) What is a follicle composed of?
A) An oocyte
B) An organ in the ovary
C) An oocyte enclosed in follicular or granulosa cells
D) A group of granulosa cells
E) A group of follicular cells
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Question 6) Clotting deficiency can result from thrombocytopenia or hemophilia.
Indicate whether the statement is true or false
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Question 7) The cerebellum is the largest part of the brain.
Indicate whether the statement is true or false
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Question 8) A person who is HIV-positive and has a helper T (TH) cell count lower than ________ has AIDS.
A) 200 cells/L
B) 1,000 cells/L
C) 20,000 cells/L
D) 50 cells/L
E) 5,000 cells/L
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Question 9) Pancreatic enzymes are secreted in response to a hormone called ________.
A) gastrin
B) secretin
C) glucagon
D) insulin
E) cholecystokinin (CCK)
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Question 10) A ________ is an elevated patch of melanized skin.
A) hemangioma
B) friction ridge
C) flexion line
D) mole
E) freckle