Pressure ulcers are caused by:

Necrosis.

Low capillary pressure.

Increased mobility.

Extrinsic factors.

Answer and Explanation

The Correct Answer is D

Choice A rationale

Necrosis is tissue death resulting from prolonged pressure, often a consequence rather than the direct cause of pressure ulcers. The primary cause is sustained pressure impairing blood flow.

Choice B rationale

Low capillary pressure does not directly cause pressure ulcers. They result from sustained external pressure exceeding capillary perfusion pressure, leading to ischemia and tissue damage.

Choice C rationale

Increased mobility actually prevents pressure ulcers by reducing sustained pressure on any one area, enhancing blood flow and tissue health. Immobility is a significant risk factor, not increased mobility.

Choice D rationale

Extrinsic factors like sustained pressure, friction, shear, and moisture contribute directly to pressure ulcer development by compromising skin integrity and blood flow, leading to tissue ischemia and damage.

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Correct Answer is D

Explanation

Choice A rationale

Ataxic gait is characterized by uncoordinated movement, wide-based steps, and irregular distances between steps, often seen in cerebellar dysfunctions.

Choice B rationale

Dystrophic gait is associated with muscle weakness, often seen in muscular dystrophies, where there is difficulty in walking, a waddle-like walk, and frequent falls.

Choice C rationale

Steppage gait is associated with foot drop, where the individual lifts their knees higher than usual to avoid dragging their toes, often seen in peripheral neuropathies.

Choice D rationale

Helicopod gait involves the feet making a half-circle with each step and is often seen in individuals with certain neurologic disorders, such as hemiplegia or certain types of ataxia.

A. Water or saline. B. Sodium bicarbonate. C. Colloids. D. Medicated tars.

Correct Answer is D

Explanation

Choice A rationale

Water or saline baths can help cleanse and soothe the skin but do not specifically target psoriasis exacerbations. They are not the typical therapeutic solution for this condition.

Choice B rationale

Sodium bicarbonate baths may help with itching but are not specifically indicated for psoriasis. They are more commonly used for conditions like chickenpox or sunburn.

Choice C rationale

Colloids, such as oatmeal baths, can relieve itching and provide comfort but are not the primary therapeutic choice for psoriasis exacerbations.

Choice D rationale

Medicated tars are a well-known treatment for psoriasis. They help slow the rapid growth of skin cells, reduce inflammation, and relieve itching, making them effective for managing psoriasis symptoms.

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Pressure ulcers are caused by:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client in the emergency department has a suspected neurologic disorder. To assess gait, the nurse asks the client to take a few steps; with each step, the client's feet make a half circle. To document the client's gait, the nurse should use which term?

Correct Answer is D

Explanation

A nurse practitioner prescribes a therapeutic bath for a client with an exacerbation of psoriasis. The nurse tells the client to make sure the bath area is well ventilated. Which of the following is the therapeutic bath solution prescribed by the nurse?

Correct Answer is D

Explanation

A nurse employed in a school suspects an outbreak of pediculosis. Which of the following nursing actions should be taken to prevent and control the outbreak?

An older adult client has come to the clinic for a regular check-up. The nurse's initial inspection reveals an increased thoracic curvature of the client's spine. The nurse should document the spinal disorder as which of the following?

A client is scheduled for a myelogram, and the nurse explains to the client that this is an invasive procedure, which assesses for any lesions in the spinal cord. The nurse should explain that the preparation is similar to which of the following neurologic tests?

A nurse is performing a neurological assessment on a client at home. During the assessment, the nurse notices that the client has a flat affect. Which lobe of the brain is responsible for a person's affect?

When performing a postoperative assessment on a client who has undergone surgery to manage increased intracranial pressure (ICP), a nurse notes an ICP reading of 0 mm Hg. Which action should the nurse perform first?

A critical care nurse is caring for a client diagnosed with acute pancreatitis. The nurse knows this client should be started on parenteral nutrition (PN) after what indications?

Which cranial nerve is responsible for muscles that move the eye and lids?