ATI LPN
Timby's Introductory Medical-Surgical Nursing Thirteenth, North American Edition
Chapter 12 : Infection Questions
Question 1 of 5
Which of the following would be considered a mechanical defense mechanism?
Correct Answer: B
Rationale: Mechanical defense mechanisms are physical barriers that prevent microorganisms from gaining entry or expel microorganisms before they multiply. Examples are the skin and mucous membranes, physiologic reflexes (e.g., sneezing, coughing, vomiting), and macrophages. Casts, clothing, and sunscreen do not keep microorganisms from gaining entry to the body.
Question 2 of 5
A client with a Staphylococcus aureus infection present in a sacral pressure ulcer has received treatment with three courses of antibiotics without eliminating the infection. What does the nurse understand has occurred with the client?
Correct Answer: A
Rationale: Some bacteria, such as Staphylococcus aureus, Streptococcus pneumoniae, and Escherichia coli, are developing multidrug resistance, the ability to remain unaffected by antimicrobial drugs such as antibiotics. There are no facts to indicate the client has been misdiagnosed. Staphylococcus aureus is treated with antibiotics and is a bacterium, not a fungus.
Question 3 of 5
A client is diagnosed with a viral illness and requests an antibiotic to 'cure' the illness. When the request is refused by the physician, the client states to the nurse, 'I will never get better.' What is the best response by the nurse?
Correct Answer: B
Rationale: Causes of antibiotic resistance, a consequence of bacterial mutations that interfere with the mechanism of antibiotic action, are related to inappropriate prescription of antibiotics for viral (rather than bacterial) infection. Because viral infections are often self-limiting, with symptoms control, the client will get better. Indicating that the client is not thinking positively is a nontherapeutic comment. Informing the client that taking unnecessary antibiotics will cause illness is not detailed enough to be an informative response.
Question 4 of 5
The infection control nurse collects data that indicates an increase in the number of clients in the hospital with multidrug-resistant infections. What priority education should healthcare providers receive?
Correct Answer: C
Rationale: Infections with multidrug-resistant microorganisms are very difficult to destroy with current pharmacologic agents, increasing the need to be vigilant about performing hand hygiene measures. It is unnecessary to use contact precautions, administer antibiotics prophylactically, or empty trash cans immediately for the preventions of multidrug-resistant infections.
Question 5 of 5
A client visits the clinic reporting a circular rash on the upper right arm. The rash is diagnosed as tinea corporis. For what type of infection does the nurse anticipate the client will be treated?
Correct Answer: D
Rationale: One type of fungal infection is superficial (dermatophytoses), which affect the skin, hair, and nails; examples include tinea corporis, or ringworm, and tinea pedis, also known as athlete's foot. Rickettsiae, protozoans, and mycoplasma have different characteristics and transmission than fungus.