A nurse is doing her assessment on a client who suffered a crush injury with multiple fractures to his lower leg. The nurse notices the client has increasing edema to the affected leg since the last assessment. Also, the client also reports the last pain medication did not help them at all with their pain and they feel the pain is worsening. The increasing edema and unrelieved increasing pain are indications of which of the following complications from a crush injury?

Fat embolism syndrome

Malignant hyperthermia

Acute compartment syndrome

Myocardial embolus

Answer and Explanation

The Correct Answer is C

Choice A reason:

Fat embolism syndrome is a serious complication of fractures, particularly long bone fractures, and presents with symptoms such as respiratory distress, cerebral dysfunction, and petechial rash. However, it is not characterized by localized increasing edema and pain.

Choice B reason:

Malignant hyperthermia is a severe reaction to certain anesthetic agents and is characterized by hyperthermia, muscle rigidity, and metabolic acidosis. It is not related to increasing edema and pain in the context of a crush injury.

Choice C reason:

Acute compartment syndrome is characterized by increasing pain that is not relieved by analgesics and increasing edema due to increased pressure within the muscle compartments. This condition requires immediate medical intervention to prevent permanent damage.

Choice D reason:

A myocardial embolus would present with symptoms related to cardiac function, such as chest pain and shortness of breath. It is not related to localized increasing edema and pain in the lower extremities following a crush injury.

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Correct Answer is C

Explanation

Choice A reason: Keeping the fluorescent ceiling light on at night can disrupt sleep and is not necessary for preventing falls. Nightlights or bedside lamps are more appropriate for providing enough light to move around safely without disturbing sleep.

Choice B reason: Keeping the walker at the end of the bed is not a practical or safe placement. It should be within easy reach of the client to ensure it can be used immediately upon standing to prevent falls.

Choice C reason: This is the correct answer. Placing a bath seat in the shower is an excellent strategy for preventing falls. It allows the client to sit while bathing, reducing the risk of slipping and falling in the shower, which is a common hazard area.

Choice D reason: Placing an area rug at the entry of the bathroom can create a tripping hazard. It is important to avoid loose rugs or mats that could cause falls, especially in areas where water might make the floor slippery.

A. Simple face mask B. Venturi mask C. Non-rebreather mask D. Partial rebreather mask

Correct Answer is C

Explanation

Choice A reason:

A simple face mask provides moderate oxygen concentrations but lacks a one-way valve. It is suitable for delivering oxygen but does not meet the requirement for the highest concentration of oxygen with a one-way valve, which is crucial for preventing rebreathing of exhaled air.

Choice B reason:

A Venturi mask delivers precise oxygen concentrations and is useful for patients requiring controlled oxygen therapy. However, it does not provide the highest concentration of oxygen and does not have a one-way valve system to prevent rebreathing.

Choice C reason:

A non-rebreather mask is designed to deliver the highest concentration of oxygen available in a mask system. It includes a reservoir bag and a one-way valve that prevents exhaled air from mixing with the oxygen in the bag, ensuring that the client receives nearly 100% oxygen concentration.

Choice D reason:

A partial rebreather mask delivers high oxygen concentrations but allows some rebreathing of exhaled air due to the absence of a one-way valve. It is not the best choice for providing the highest concentration of oxygen with a one-way valve, which is necessary for certain medical conditions.

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Naxlex Comprehensive Predictor Exams

A nurse is teaching a client who has a history of falls about home safety. Which of the following statements should the nurse identify as an indication that the client understands the instructions?

Correct Answer is C

Explanation

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?

Correct Answer is C

Explanation

The patient has just been started on enteral feeding and has developed diarrhea after being on the feeding for 2 hours. What does the nurse suspect is the most likely cause of the diarrhea?

The nurse is caring for a patient with a pressure ulcer on the left hip. The ulcer is black. Which next step will the nurse anticipate?

The patient has just been started on an enteral feeding and has developed diarrhea after being on the feeding for 2 hours. What does the nurse suspect is the most likely cause of the diarrhea?

A health care provider has written an order for digoxin for the patient, but the nurse cannot read whether the order is for 0.25 mg or 0.125 mg. What action would be the best to prevent a medication error?

A nurse is preparing an adolescent client who has pneumonia for percussion, vibration, and postural drainage. Prior to the procedure, which nursing action should the nurse complete first?

A nurse is giving a presentation about preventing deep-vein thrombosis (DVT). Which of the following should the nurse include as a risk factor for this disorder? (Select all that apply.)

A client asks about maintaining taste and smell. Which of the following statements should the nurse make?

A nurse is preparing to administer amoxicillin 320 mg PO every 12 hours to an infant. The amount available is amoxicillin suspension 400 mg/5 mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)