In immunodeficiency diseases,

A. serum sickness results.
B. inadequate B and/or T cell formation may occur.
C. IgE mediates a localized reaction.
D. immune surveillance occurs.
E. the immune system fails to distinguish between self-antigens and foreign antigens.


Answer: B

Anatomy & Physiology

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Closely related to thyroid hormone's metabolic effect is its __________ effect

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You observe that your friend has dimples. Dimples result from the presence of the dominant gene D; absence of dimples is a homozygous recessive condition (dd). What genotype or genotypes might your friend have?

A) dd only B) DD or Dd C) DD only D) Dd only

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Tetanus toxin inhibits acetylcholinesterase activity. What will a person suffering from tetanus toxin poisoning look like?

A. All muscles of the body will be completely normal in function. B.  All muscles of the body might exhibit frequent small twitches. C. All muscles of the body might present a tense, fully contracted state. D. All muscles of the body might present a limp, relaxed state known as flaccid paralysis.

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In an adult female, the body consists of about ________ percent water

A) 60 B) 50 C) 40 D) 70 E) 80

Anatomy & Physiology