A client arrives at the emergency department after blunt chest trauma with severe shortness of breath, distended neck veins, hypotension, and deviation of the trachea to the left. Which statement should the nurse provide about this condition?

"The trachea shifts toward the injured side because the lung overexpands and pushes air outward."

"Air in the pleural space increases intrathoracic pressure, collapsing the lung and reducing cardiac output."

"Blood in the pleural space compresses the unaffected lung, increasing oxygen diffusion."

"Loss of negative pleural pressure decreases lung expansion, limiting oxygen delivery to tissues."

Answer and Explanation

The Correct Answer is B

A. In conditions like a tension pneumothorax, the trachea shifts away from the affected (injured) side due to increasing pressure within the pleural space. The explanation given is inaccurate and does not correctly describe the underlying mechanism.

B. The client’s findings—severe shortness of breath, hypotension, distended neck veins, and tracheal deviation—are classic signs of a tension pneumothorax. In this condition, air enters the pleural space and becomes trapped, leading to progressively increased intrathoracic pressure. This pressure collapses the affected lung, shifts mediastinal structures (including the trachea) to the opposite side, and compresses the heart and great vessels. As a result, venous return is reduced, leading to decreased cardiac output and hypotension.

C. This statement describes a hemothorax (blood in the pleural space), not a tension pneumothorax. Additionally, compression of the lung would decrease, not increase, oxygen diffusion. Therefore, this option is incorrect both in diagnosis and physiological explanation.

D. While loss of negative pleural pressure does impair lung expansion and oxygenation, this statement is too general and does not explain the life-threatening mechanism seen in tension pneumothorax—namely, increased intrathoracic pressure and decreased cardiac output. Therefore, it is not the best explanation for this client’s condition.

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Correct Answer is D

Explanation

A. Rheumatoid arthritis (RA) primarily affects the joints, leading to pain, swelling, and deformities such as ulnar deviation or swan-neck deformities. While the client does have hand joint deformities, RA does not typically cause the characteristic facial rash described as a butterfly pattern. Therefore, RA alone does not fully explain the observed clinical presentation.

B. Eczema is a chronic inflammatory skin condition that causes dry, itchy, scaly patches. While the rash may resemble dryness or scaling, eczema does not present with the classic malar (butterfly-shaped) rash on the face, nor does it cause joint deformities or decreased urinary output. Thus, eczema is unlikely in this case.

C. Psoriasis can produce raised, scaly plaques on the skin and sometimes involve joint inflammation (psoriatic arthritis). However, the typical psoriatic rash does not follow the malar (butterfly) distribution on the face. Additionally, psoriasis does not typically cause pericarditis or kidney involvement, which may explain the decreased urinary output.

D. Systemic lupus erythematosus (SLE) is an autoimmune disorder that can affect multiple organ systems. In this client, the malar (butterfly) rash across the cheeks and nose is a classic cutaneous manifestation of SLE. The joint deformities, often non-erosive, involve small joints of the hands. The history of pericarditis represents a common cardiac manifestation of SLE. The decrease in urinary output suggests possible lupus nephritis, a renal complication of SLE. Taken together, these features strongly support a diagnosis of SLE, making option D the correct choice.

A. Adequate sunlight. B. Cool, moist air. C. Quiet, calm surroundings. D. Stimulating sounds and activity.

Correct Answer is A

Explanation

A. This is the most significant factor because osteomalacia is caused by a deficiency of vitamin D, which is essential for calcium absorption and bone mineralization. Adequate sunlight exposure enables the skin to synthesize vitamin D naturally, which helps prevent further bone softening and promotes bone health. Ensuring the client has access to sunlight, while balancing skin protection, is a key environmental intervention.

B. Cool, moist air may affect comfort but has no direct effect on bone metabolism or vitamin D synthesis. While environmental comfort is important, it is not the primary concern in managing osteomalacia.

C. Quiet, calm surroundings can reduce stress and promote rest, which is supportive care. However, stress reduction does not directly influence bone mineralization or vitamin D status.

D. Stimulating sounds and activity may promote alertness or engagement but are not relevant to the pathophysiology or treatment of osteomalacia. Excessive activity without adequate bone strength could even increase the risk of fractures.

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A client arrives at the emergency department after blunt chest trauma with severe shortness of breath, distended neck veins, hypotension, and deviation of the trachea to the left. Which statement should the nurse provide about this condition?

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Correct Answer is D

Explanation

Which environmental factor is most significant when planning care for a client with osteomalacia?

Correct Answer is A

Explanation

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