Which of the following is correct about a nurse hygiene?

Wash hands with cold water for at least 15 seconds and dry with a towel.

Wash hands with soap and warm water for at least 10 seconds and air dry.

Wash hands with soap and warm water for at least 15 seconds and then dry hands with a clean paper towel.

Wash hands with only water and dry with a clean paper towel.

Answer and Explanation

The Correct Answer is C

Choice A rationale

Washing hands with cold water is less effective for removing pathogens compared to warm water. Warm water opens pores and enhances soap’s efficacy in breaking down oils and debris. Duration is also insufficient.

Choice B rationale

Washing for 10 seconds does not provide sufficient time for thorough microbial removal as evidence supports 15-20 seconds for optimal hand hygiene. Air drying increases the risk of recontamination and bacterial persistence.

Choice C rationale

Using soap and warm water for at least 15 seconds effectively removes microorganisms, reducing cross-infection. Drying with clean paper towels prevents bacterial growth and contamination compared to air drying or reused cloths.

Choice D rationale

Washing with water alone lacks the surfactant action of soap, which emulsifies oils and debris carrying bacteria. Drying with a clean towel prevents contamination but cannot compensate for soap absence.

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Correct Answer is A

Explanation

Choice A rationale

Active immunity involves the production of antibodies by B lymphocytes in response to antigen exposure, creating a specific and adaptive immune response. This process provides long-lasting immunity.

Choice B rationale

Passive immunity provides temporary immunity through the transfer of pre-formed antibodies, such as via breast milk or immunoglobulin therapy. It does not induce memory B cell activation, so lifelong immunity is not achieved.

Choice C rationale

Active immunity results in long-term immunity by stimulating the immune system to develop memory cells. It does not have a short duration as it enables sustained protection against pathogens.

Choice D rationale

Passive immunity does not involve active antigen recognition by the immune system. However, the immune system is not rendered incapable of recognizing antigens, as this statement incorrectly implies a functional deficiency.

A. Attach a probe carefully to the client’s finger. B. Apply a sensor pad to the client’s forehead. C. Secure a probe to one of the client’s toes. D. Obtain a pulse oximetry reading using an alternative site.

Correct Answer is B

Explanation

Choice A rationale

Peripheral edema may impede accurate readings due to compromised capillary blood flow in fingers. Thickened toenails may further reduce sensor reliability, leading to errors in oxygen saturation measurement.

Choice B rationale

The forehead is ideal for pulse oximetry in patients with peripheral edema. It provides a reliable alternative site with consistent capillary blood flow and is unaffected by thickened nails or peripheral circulation issues.

Choice C rationale

Peripheral edema affects capillary blood flow in toes, and thickened toenails obstruct sensor attachment, leading to unreliable and inaccurate oxygen saturation readings for clinical assessment.

Choice D rationale

While alternative sites might be useful, the forehead offers a proven, optimal placement for reliable oxygen saturation readings in cases of peripheral edema and other extremity-related complications.

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Which of the following is correct about a nurse hygiene?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A charge nurse is preparing a teaching session for a group of newly licensed nurses about the general principles of immunity. Which of the following statements should the nurse plan to include in the teaching?

Correct Answer is A

Explanation

A nurse is preparing to obtain the oxygen saturation of a client who has peripheral edema and thickened toenails. Which of the following actions should the nurse take?

Correct Answer is B

Explanation

A nurse in a provider’s office is assessing the motor skill development of a 15-month-old toddler during a well-child visit. Which of the following gross motor skills should the nurse expect?

A nurse is caring for a client who reports burning around the peripheral IV site. Which of the following findings should the nurse identify as a manifestation of infiltration?

A nurse is reviewing the laboratory report of a client who has been experiencing a fever for the last 3 days. Which of the following laboratory results indicates the client is experiencing fluid volume deficit?

A nurse is caring for a client who expresses feeling overwhelmed that their partner has alcohol use disorder and has been unable to keep a job for longer than 3 months. Which of the following is an appropriate response by the nurse?

A nurse is updating a plan of care after an evaluation of a client who has dysphagia. Which of the following interventions should the nurse include in the plan?

A nurse is performing a focused assessment for a client who has a dysrhythmia. Which of the following findings indicates ineffective cardiac contractions?

A nurse is teaching a client about the correct use of a cane. Which of the following instructions should the nurse include in the teaching?

A nurse is documenting client care. Which of the following entries should the nurse identify as an example of implementation of client care?