In which type of water would a submersion injury cause the patient's fluid to be drawn from the vascular space into the alveoli, impairing alveolar ventilation and resulting in hypoxia?

Hypotonic saltwater.

Hypertonic saltwater.

Hypotonic freshwater.

Hypertonic freshwater.

Answer and Explanation

The Correct Answer is B

The correct answer is B. Hypertonic saltwater.

Choice A rationale: Hypotonic saltwater would not cause significant fluid shifts into the alveoli. Instead, it would cause cells to swell due to the lower concentration of solutes outside the cells.

Choice B rationale: Hypertonic saltwater causes fluid to be drawn from the vascular space into the alveoli due to the higher concentration of solutes in the water compared to the body's cells. This can impair alveolar ventilation and result in hypoxia.

Choice C rationale: Hypotonic freshwater would cause cells to swell and potentially burst due to the lower concentration of solutes outside the cells, but it would not specifically cause fluid to be drawn into the alveoli.

Choice D rationale: Hypertonic freshwater is not a common classification for drowning water. Freshwater is typically hypotonic compared to body fluids, and it would not cause the same fluid shift as hypertonic saltwater.

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Correct Answer is ["B","D"]

Explanation

Choice B rationale:

Conjunctival pallor is a common physical finding in patients with low hemoglobin levels (anemia), leading to paleness in mucous membranes such as the conjunctiva.

Choice C rationale:

Sternal tenderness is not a typical finding associated with low hemoglobin levels and is not directly related to anemia.

Choice D rationale:

A heart rate of 104 beats/min can be a compensatory response to anemia, as explained in .

A. Peripheral arterial disease. B. Lymphatic obstruction. C. Chronic venous insufficiency. D. Musculoskeletal abnormalities.

Correct Answer is A

Explanation

Choice A rationale:

The patient's symptoms of leg pain that worsens at night and occurs when the legs are elevated but improves when they are dangled are indicative of peripheral arterial disease (PAD) PAD is a condition caused by the narrowing of arteries in the legs due to atherosclerosis. This narrowing restricts blood flow to the muscles, causing pain, especially during activities or positions that demand increased blood flow like walking or elevating the legs.

Choice B rationale:

Lymphatic obstruction typically does not cause pain in the same manner described by the patient. Lymphatic obstruction may cause swelling and discomfort, but it usually does not lead to pain that worsens with elevation and improves with dangling.

Choice C rationale:

Chronic venous insufficiency can cause leg pain and swelling, especially when standing for extended periods. However, the characteristic of pain worsening at night and with leg elevation points more towards arterial issues like PAD rather than venous insufficiency.

Choice D rationale:

Musculoskeletal abnormalities could cause localized pain, but the pattern described by the patient (worsening at night, relief with dangling) is not typical of musculoskeletal issues. PAD, on the other hand, often presents with these specific symptoms due to compromised blood flow to the muscles in the legs.

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In which type of water would a submersion injury cause the patient's fluid to be drawn from the vascular space into the alveoli, impairing alveolar ventilation and resulting in hypoxia?

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Naxlex Comprehensive Predictor Exams

Which finding would the nurse expect to see in a patient with a hemoglobin level of 8 g/dL? Select all that apply.One, some, or all responses may be correct.

Correct Answer is ["B","D"]

Explanation

A patient reports leg pain that awakens the patient at night.The patient reports that the same pain develops in the legs when they are elevated and disappears when the legs are dangled.Which condition would the nurse suspect?

Correct Answer is A

Explanation

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