The nursing instructor explaining infection tells students that which factor is the best and most important barrier to infection?
a. Colonization by host bacteria
b. Gastrointestinal secretions
c. Inflammatory processes
d. Skin and mucous membranes
ANS: D
The skin and mucous membranes are the most important barrier against infection. The other options are also barriers, but are considered secondary to skin and mucous membranes.
You might also like to view...
A characteristic of diastolic dysfunction is
A) ejection fraction less than 20%. B) atrial fibrillation. C) diastolic blood pressure less than 50 mm Hg. D) All of the above are correct.
What would the nurse consider an indication for the use of antacids? (Select all that apply.)
A) Gastric hyperacidity B) Gastritis C) Peptic esophagitis D) Hiatal hernia E) Duodenal ulcer
Which belief best fosters provision of culturally competent nursing care? (Select all that apply.)
a. Eye contact promotes nonverbal communication. b. Nurses should foster assimilation and conformity to the dominant culture. c. Reading about practices of various cultures will ensure cultural competence. d. The ability to work within a patient's cultural context requires ongoing effort. e. Self-examination of attitudes toward various cultures promotes competent care.
What instruction should a nurse include when giving education about taking sildenafil (Viagra)?
a. No more than two tablets should be taken in a 24-hour period. b. Erection occurs without stimulation. c. Nitrates should be taken at least 4 hours before taking Viagra. d. Tablet should be taken 1 hour before sex-ual activity.