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over dense tissues where air is not present, such as over the thigh muscles or areas of the chest where lung tissue has been replaced by something more solid, like in the case of a pleural effusion or a lung mass.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 A
Explanation
Choice a reason:
A BMI of 27 falls into the 'Overweight' category according to the standard BMI classification. The 'Overweight' range is defined as a BMI of 25 to 29.9. This indicates that the person's weight is higher than what is considered healthy for a given height.
Choice b reason:
'Obesity Class I' is characterized by a BMI of 30 to 34.9. Since the client's BMI is 27, it does not reach the threshold for this category.
Choice c reason:
The 'Normal weight' category ranges from a BMI of 18.5 to 24.9. With a BMI of 27, the client exceeds the upper limit of the normal weight range.
Choice d reason:
The term 'Obesity' generally refers to a BMI of 30 or higher, which encompasses Obesity Class I, II, and III. Since the client's BMI is 27, it is below the obesity range.
Correct Answer is D
Explanation
Choice a reason:
Pigeon Chest, or pectus carinatum, is a condition where the breastbone is pushed outward, and the chest appears to protrude. It is not typically associated with a barrel-shaped chest, which is characterized by a rounded and bulging appearance.
Choice b reason:
Pneumonia is an infection that inflames the air sacs in one or both lungs, which may fill with fluid or pus. While it can cause chest expansion, it does not lead to a barrel-shaped chest. The barrel-shaped chest is more indicative of a chronic condition rather than an acute infection like pneumonia.
Choice c reason:
Funnel Chest, or pectus excavatum, is a condition where the breastbone is sunken into the chest. Unlike a barrel-shaped chest, funnel chest gives the chest a depressed appearance.
Choice d reason:
COPD, or Chronic Obstructive Pulmonary Disease, is commonly associated with a barrel-shaped chest. This shape results from the chronic hyperinflation of the lungs due to obstructive lung disease, which causes the rib cage to remain expanded.
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