An allergen circulating in the bloodstream affects mast cells throughout the body, dropping blood pressure to dangerously low levels. This response is termed
A) allergy.
B) hypersensitivity.
C) allergic rhinitis.
D) anaphylactic shock.
E) asthma.
Answer: D
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What are the two factors that are regulated to maintain fluid balance in the body?
a. salt concentration and blood pressure b. body temperature and blood pressure c. ECF pH and ICF pressure d. ICF volume and ICF osmolarity e. ECF volume and ECF osmolarity
Which of the following statements concerning HCl secretion by the stomach is correct?
a. HCl inactivates salivary amylase b. HCl activates pepsinogen. c. provides an acid medium for optimal pepsin activity. d. denatures proteins e. all of these answers.
Magnus Hirschfeld's main area of interest in the study of human sexuality was:
A. sexual response. B. pedophilia. C. homosexuality. D. masochism
An illness or infection would MOST likely cause:
A) diabetic ketoacidosis. B) acute hyperglycemia. C) blood glucose above 500 mg/dL. D) a slow onset of hyperglycemia.