ATI LPN
Patient Safety Quiz Questions Questions
Question 1 of 5
In a gram stain procedure, gram-positive bacteria stain purple because:
Correct Answer: C
Rationale: Thick peptidoglycan retains crystal violet despite alcohol decolorization.
Question 2 of 5
What precaution will the nurse take while performing a dressing change for a client who has methicillin-resistant Staphylococcus aureus(MRSA) infection?
Correct Answer: A
Rationale: Disposable gloves are necessary when changing a dressing on a wound infected with MRSA to prevent transmission to others. It is not necessary to wear a mask, since the infection is spread by direct contact with the infected material. Sterile technique is not indicated. Soiled dressings should be placed in a sealed plastic bag before discarding, and according to agency policy.
Question 3 of 5
The nurse is concerned that a client who had myocardial infarction(MI) has developed cardiogenic shock. Which findings indicate shock? Select one that doesn't apply.
Correct Answer: A
Rationale: The client with shock has cool, moist skin. Because of extensive tissue necrosis, the left ventricle cannot forward blood adequately, resulting in pulmonary congestion and crackles in the lung fields due to poor tissue perfusion. A change in mental status, anxiety, and restlessness are also expected.
Question 4 of 5
How often do you complete TB (PPD) testing?
Correct Answer: A
Rationale: Testing frequency aligns with exposure risk and regulatory requirements.
Question 5 of 5
Linzolid (Zyvox), administered orally or by IV, is effectively used to treat this species of resistant microorganisms (the nonresistant species is often found in normal intestinal and female genital tracts)
Correct Answer: A
Rationale: Linezolid is a key treatment for VRE, a resistant gut flora pathogen.