A client with a history of COPD is being assessed. When the nurse percusses the client's chest, which characteristic sound is expected?
Tympany
Hyperresonance
Resonance
Dullness
The Correct Answer is B
Choice a reason:
Tympany is a drum-like, resonant sound that is typically heard over air-filled structures, such as the gastric bubble, not the chest. It is not a sound associated with the lungs, especially in the context of COPD.
Choice b reason:
Hyperresonance is an abnormally loud, lower-pitched sound than normal resonance heard over hyperinflated areas of the lung, such as in cases of COPD. This is due to the increased air content within the lungs, often because of overdistension or destruction of alveolar tissue, as seen in emphysema, a common type of COPD.
Choice c reason:
Resonance is the normal sound heard over healthy lung tissue when percussed. However, in the case of COPD, particularly emphysema, the destruction of lung tissue leads to hyperinflation and thus a hyperresonant sound rather than the normal resonance.
Choice d reason:
Dullness is heard when fluid or solid tissue replaces air in the lung or occupies the pleural space, as in the case of pneumonia or pleural effusion. This is not characteristic of COPD, where there is an increase in air due to the breakdown of alveolar walls.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
The correct answer is d) Stage II.
Choice a reason:
Stage IV pressure ulcers are the most severe, with full-thickness skin loss and exposed bone, tendon, or muscle. Signs of stage IV include large-scale tissue loss, possibly including slough or eschar, and may include undermining and tunneling. The scenario described does not indicate such an advanced stage, as there is no mention of exposed deeper tissues or structures.
Choice b reason:
Stage III pressure ulcers involve full-thickness skin loss, potentially affecting subcutaneous tissue but not extending to underlying muscle or bone. The wound may have a crater-like appearance. The described condition does not match stage III, as there is no indication of the ulcer extending into subcutaneous tissue.
Choice c reason:
Stage I pressure ulcers present with intact skin and non-blanchable redness of a localized area usually over a bony prominence. The skin may be painful, firm, soft, warmer, or cooler compared to adjacent tissue. In the given scenario, the skin is not intact, ruling out stage I.
Choice d reason:
Stage II pressure ulcers are characterized by partial-thickness loss of dermis presenting as a shallow open ulcer with a red-pink wound bed, without slough. They may also present as intact or ruptured blisters. The description of the skin condition with erythema, serosanguineous drainage, and a blister-like appearance aligns with a stage II pressure ulcer.
Correct Answer is B
Explanation
Choice A reason:
Palpating in front of the ear would assess the preauricular lymph nodes, not the submental lymph nodes. The preauricular nodes are located just in front of the ears and are typically examined when there is an infection or inflammation in the eyes, ears, or scalp.
Choice B reason:
The submental lymph nodes are located in the midline, just under the chin, behind the bony prominence of the mandible. This is the correct area for palpation when assessing the submental lymph nodes. These nodes drain the lower lip, the floor of the mouth, the tip of the tongue, and the incisors, and they can become enlarged due to infections or malignancies in these areas.
Choice C reason:
Palpating superficial to the sternomastoid would assess the cervical lymph nodes, specifically the anterior cervical nodes, which are not the submental lymph nodes. The sternomastoid muscle is a landmark for several lymph node groups in the neck, but not for the submental group.
Choice D reason:
Palpating at the angle of the mandible would assess the submandibular lymph nodes, not the submental lymph nodes. The submandibular nodes are located beneath the jawline and can become enlarged due to infections or malignancies in the mouth, throat, and salivary glands.
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