________ is a substance produced in response to an inhaled antigen, and it causes airway edema, bronchospasm, and inflammation

A) A mast cell
B) Leukotriene
C) Sputum
D) Cortisol


Answer: B

A) A mast cell is a cell, not a substance.
C) Sputum is mucus. It does not cause airway edema, bronchospasm, and inflammation.
D) This does not describe cortisol.

Health & Biomechanics

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Oral inflammation, or _____, is the inflammation of oral tissue

Fill in the blank with the right word.

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A serious mental disorder in which an individual cannot recognize reality and may also have delusions and hallucinations is called:

A) psychosis. B) psychopathic disorder. C) impulse control disorder. D) hypomania.

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Which of the following statements about intrauterine devices (IUDs) is true?

A. Spermicide should be used with an IUD. B. An IUD can be purchased from a pharmacy and placed by a woman prior to intercourse. C. IUDs provide a permanent, irreversible form of contraception for women. D. IUDs are highly effective at preventing pregnancy and require little maintenance after they are in place.

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In many cultures, breath, or the force that animates life, is synonymous with

A) faith. B) energy. C) love. D) spirit.

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