A nurse is performing a respiratory physical examination on a healthy patient. When performing the percussion physical assessment technique, the lung percussion note should be:
Resonance
Tympanic
Flat
Dullness
The Correct Answer is A
Choice a reason:
Resonance is the expected percussion note when percussing over normal, healthy lung tissue. This sound is produced due to the presence of air in the lung parenchyma, which allows for the transmission of sound waves through the air-filled spaces. In a healthy individual, the resonance indicates that the lungs are free from any significant abnormalities that could alter the sound, such as fluid or solid masses.
Choice b reason:
Tympanic notes are typically heard over hollow, air-containing structures like the stomach. This sound is not expected in lung percussion unless there is a large, air-filled cavity within the lung tissue, which would be abnormal and indicative of a pathological condition such as a pneumothorax.
Choice c reason:
A flat percussion note is usually heard over dense tissues where air is not present, such as over the thigh muscles or areas of the chest where lung tissue has been replaced by something more solid, like in the case of a pleural effusion or a lung mass.
Choice d reason:
Dullness on percussion usually indicates that the lung is not air-filled and may be suggestive of underlying conditions such as pneumonia, tumor, or atelectasis. It is a higher-pitched sound compared to flatness and is typically found in areas of the lung that are filled with fluid or solid tissue rather than air.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice a reason:
Exophthalmos, or protrusion of the eyeballs, is not a typical finding in hypothyroidism. It is more commonly associated with hyperthyroidism, particularly Graves' disease, which is characterized by an overactive thyroid gland.
Choice b reason:
Photophobia, or light sensitivity, is not a common symptom of hypothyroidism. While it can be associated with other conditions, it is not directly related to the function of the thyroid gland.
Choice c reason:
Weight loss is typically not associated with hypothyroidism. In fact, individuals with hypothyroidism often experience weight gain due to a slowed metabolism, which is the opposite of weight loss.
Choice d reason:
Lethargy is a common symptom of hypothyroidism. The condition can lead to a decrease in thyroid hormone production, which can slow down the body's metabolism, resulting in feelings of fatigue, sluggishness, and lethargy.
Correct Answer is C
Explanation
Choice a reason:
The inability of the eye to look outward, known as lateral rectus palsy, is associated with cranial nerve VI, the abducens nerve, not the oculomotor nerve. The oculomotor nerve does not control the lateral rectus muscle which governs this movement.
Choice b reason:
Myopia, or nearsightedness, is a refractive error of the eye where distant objects appear blurry while close objects can be seen clearly. It is not related to oculomotor nerve paralysis, which affects eye movements and pupil response, not the shape of the eyeball or the refractive properties of the lens.
Choice c reason:
Ptosis, or drooping of the upper eyelid, and an absence of pupillary constriction are classic signs of oculomotor nerve paralysis. The oculomotor nerve controls most of the eye's movements, including lifting the eyelid via the levator palpebrae superioris muscle and constricting the pupil through the circular muscles of the iris.
Choice d reason:
Normal eye movement would not be expected in a patient with oculomotor nerve paralysis. This nerve controls the majority of the eye's movements, so paralysis would lead to abnormal eye movement, such as the inability to move the eye upward, downward, or inward.
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