The student asks a professor to explain how tuberculosis (TB) can remain dormant in some people. What explanation by the professor is best?
a. It does not remain dormant but some host defenses can kill the bacteria.
b. The bacilli can become isolated within tubercles in the lungs.
c. Macrophages attack and phagocytize new areas of infection.
d. Virulence factors in the bacilli weaken over time leading to apoptosis.
Ans: b. The bacilli can become isolated within tubercles in the lungs.
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Indicate whether the statement is true or false
A client with an upper respiratory tract infection was prescribed roxithromycin, an antibiotic. To which of the following should the nurse tell the client that irregular administration of this medication could lead?
A) Decreased absorption of the drug B) Development of drug resistance C) Increased rate of elimination of the drug D) Increased chances of serious adverse events
The nurse delegates oral care of an unconscious client on supplemental oxygen to the UAP. Which action by the UAP requires the nurse to intervene?
A. Placing a bite block in the client's mouth. B. Applying petroleum-based moisturizer to the client's lips. C. Positioning the client in side-lying position with head of bed lowered. D. Using a separate moistened swab for the inside of each cheek.
The nurse is preparing to administer an intramuscular injection via the Z-track method. Which action should be taken by the nurse?
a. Pinch the skin between the thumb and the first finger. b. Insert the needle at a 90-degree angle. c. Immediately remove the needle after injecting the medication. d. Release the skin before removing the needle from the site.