Which disorder is characterized by chronic and exaggerated worry and tension persisting for more than 6 months without a recognized cause?
a. Panic disorder
b. Social anxiety
c. Posttraumatic stress disorder
d. Generalized anxiety disorder
ANS: D
Approximately 7 million Americans are estimated to have generalized anxiety disorder. This dis-order is one of chronic and exaggerated worry and tension persisting for more than 6 months and without a recognized cause.
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Immunoglobulin E (IgE)–mediated anaphylactic shock occurs as a result of
a. direct activation of mast cells. b. laryngeal edema. c. an antigen entering on a repeat exposure, triggering a secondary immune response. d. the systemic inflammatory response.
Compounds that decompose into ions in water are called:
a. isotopes c. molecules b. atoms d. electrolytes
A patient has an open draining wound located on the underside of the chin. Which lymph nodes should the nurse assess in this patient?
A) Superficial cervical B) Preauricular C) Submental D) Tonsillar
Which of the following statements is correct?
A) Rules are also known as statutes. B) Laws are more specific than rules. C) Rules set standards of conduct. D) Laws can be updated whenever necessary.