Mark has necrotizing fasciitis of his left lower extremity. Pressure on the skin reveals crepitus due to gas production by which anaerobic bacteria?
a. Staphylococcal aureus c. S. pyrogenes
b. Clostridium perfringens d. Streptococcus
Answer is b. Clostridium perfringens
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The main function of the pyloric sphincter is
A) gastric emptying. B) preventing duodenal reflux. C) controlling peristaltic action. D) diluting chyme before absorption.
The nurse is preparing to administer a chewable tablet to a preschool-age child. The child's parent reports always crushing the tablet and mixing it with pudding when giving it at home. What is the nurse's next action?
a. Ask the pharmacist if the drug may be crushed. b. Crush the tablet and mix it with pudding. c. Insist that the tablet must be chewed as ordered. d. Request a liquid form of the medication from the pharmacy.
A nurse researcher is studying perceptions of vocational rehabilitation for clients after a spinal cord injury. What type of research method will be used to study the perceptions of this group of individuals?
A) Qualitative research B) Quantitative research C) Basic research D) Applied research
A student nurse asks if an infectious disease is the same thing as a communicable disease. The nurse explains that an infectious disease is not necessarily a communicable disease
Which must a communicable disease have that an infectious disease does not have to have? (Select all that apply.) A) Pathogenic microorganism B) Portal of exit from the infected person C) Means of transmission D) Portal of entry to a susceptible host E) Organism that harbors the infectious agent