Which of the following statements is true concerning tuberculosis (TB) infections in the United States?
a. Subclinical cases of TB can occur in patients who fight off the infection and thus are not a danger to themselves or others.
b. TB can be cured by a 6-month period of treatment with INH.
c. TB can only be caused by the Mycobacterium bovis bacillus.
d. Under certain conditions, susceptible hosts may be infected by the TB bacillus.
ANS: D
The principle of multicausation emphasizes that an infectious agent alone is not sufficient to cause disease; the agent must be transmitted within a conducive environment to a susceptible host. Mycobacterium tuberculosis kills cells. M. tuberculosis has low infectivity, low pathogenicity, but high virulence if untreated.
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Clients with mental disorders who form inferences from rational beliefs are:
1. Better supported by family members. 2. Significantly more functional than clients who hold irrational beliefs. 3. Able to control impulses. 4. On their way to feeling "normal."
A 20-kg (44-lb) child in ketoacidosis is admitted to the pediatric intensive care unit. What order should the nurse not implement until clarified with the physician?
a. Weigh on admission and daily. b. Replace fluid volume deficit over 48 hours. c. Begin intravenous line with D5 0.45% normal saline with 20 mEq of potassium chloride. d. Give intravenous regular insulin 2 units/kg/hr after initial rehydration bolus.
Convert 4.5 inches to an equivalent amount in centimeters
1. 1.8 centimeters 2. 11.25 centimeters 3. 2 centimeters 4. 9.9 centimeters
The home health nurse instructs the 75-year-old woman that daily exercise of a minimum of ____ minutes a day is as beneficial as a longer period of extreme exercise on an irregular basis
a. 15 b. 20 c. 30 d. 45