A nurse receives an order from the provider for a client requiring the highest oxygen concentration with a one-way valve. What type of mask should the nurse apply to the client?

Simple face mask

Venturi mask

Non-rebreather mask

Partial rebreather mask

Answer and Explanation

The Correct Answer is C

A: A simple face mask provides a moderate concentration of oxygen but does not have a one-way valve to deliver the highest concentration of oxygen.

B: A Venturi mask delivers a precise concentration of oxygen but is not designed to provide the highest concentration of oxygen with a one-way valve.

C: A non-rebreather mask is the correct choice. It has a one-way valve that prevents exhaled air from re-entering the bag, allowing the delivery of the highest concentration of oxygen to the client.

D: A partial rebreather mask provides a high concentration of oxygen but does not have a one-way valve, making it less effective than a non-rebreather mask for delivering the highest oxygen concentration.

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Correct Answer is A

Explanation

A: Renal dysfunction is common in older adults and can lead to decreased clearance of medications from the body, increasing the risk of toxicity. Monitoring for signs of toxicity is crucial in this population.

B: Pancreatic impairment can affect digestion and insulin production but is not the primary reason for monitoring medication toxicity in older adults.

C: Increased gastric motility is not typically associated with aging. In fact, decreased gastric motility is more common and can affect drug absorption.

D: Increased blood volume is not a common physiological change in older adults. Decreased renal function and changes in body composition are more relevant factors affecting medication metabolism and excretion.

A. The site is hurting. B. The site has started to itch. C. The site is approximated. D. The site has a mass, bluish in color.

Correct Answer is D

Explanation

A: Pain at the incision site is expected after surgery and does not necessarily indicate a complication. It is important to assess the level and nature of the pain, but pain alone is not a definitive sign of a wound healing complication.

B: Itching at the incision site can be a normal part of the healing process as the wound closes and new tissue forms. While it can be uncomfortable, it is not typically a sign of a complication.

C: An approximated incision means the edges of the wound are close together and healing well. This is a positive sign and indicates that the wound is healing properly.

D: A mass, bluish in color at the incision site, may indicate a hematoma or infection, both of which are complications of wound healing. This finding requires immediate medical attention to address the underlying issue.

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A nurse receives an order from the provider for a client requiring the highest oxygen concentration with a one-way valve. What type of mask should the nurse apply to the client?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse closely monitors an older adult for signs of medication toxicity. Which physiological change is the reason for the nurse’s action?

Correct Answer is A

Explanation

The nurse is caring for a patient who has experienced a total abdominal hysterectomy. Which nursing observation of the incision will indicate the patient is experiencing a complication of wound healing?

Correct Answer is D

Explanation

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