During the abdominal assessment, why is percussion performed before palpation?
It prepares the patient psychologically for palpation.
It allows detection of fluid waves before causing discomfort.
It helps identify areas that require deeper palpation.
It confirms bowel sound regularity established during auscultation.
The Correct Answer is C
Choice A reason: While establishing rapport is part of an assessment, the sequence of physical examination is based on physiological principles rather than psychological preparation. Percussion provides clinical data about the density of underlying organs and the presence of air or fluid, which dictates how the nurse should safely proceed with palpation.
Choice B reason: Detecting fluid waves is a specific technique for assessing ascites, but it is not the primary reason for the general sequence of the exam. Percussion is used to map out organ boundaries and detect tympany or dullness, which helps the nurse avoid causing unnecessary pain during subsequent palpation.
Choice C reason: Percussion allows the nurse to identify the location, size, and density of underlying structures such as the liver, spleen, and bladder. By identifying areas of tenderness or abnormal masses through percussion first, the nurse can prioritize which quadrants require more cautious, light, or deep palpation to prevent injury.
Choice D reason: Bowel sound regularity is established strictly through auscultation. Percussion and palpation can actually alter the frequency and intensity of bowel sounds by stimulating peristalsis. Therefore, auscultation must always occur before these manual maneuvers to ensure the most accurate representation of the patient's baseline gastrointestinal activity.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason: Elevated bilirubin levels result in jaundice, which manifests as a yellowish discoloration of the skin, mucous membranes, and sclera. This is a common finding in hepatic, biliary, or hemolytic disorders. It is distinct from pallor, which is the loss of normal skin tones and a transition to a pale or ashen appearance.
Choice B reason: Inflammation typically presents with rubor (redness) due to localized vasodilation and increased blood flow to the affected area. It is also usually accompanied by heat, swelling, and pain. Pale skin around the nail beds and lips is the physiological opposite of the hyperemic response seen in acute inflammatory processes.
Choice C reason: Pallor in the nail beds and lips (perioral and ungual regions) often indicates a reduction in circulating oxyhemoglobin or decreased peripheral blood flow. This is a clinical hallmark of anemia, where hemoglobin levels are insufficient, or various circulatory issues such as peripheral vascular disease or hypovolemic shock, where blood is shunted away from the periphery.
Choice D reason: Inadequate oxygenation, specifically a lack of oxygen in the blood (hypoxemia), typically manifests as cyanosis, which is a bluish discoloration of the skin and mucous membranes. While pallor can precede cyanosis in some cases of respiratory distress, the specific finding of a pale or white appearance is more strongly associated with blood volume or hemoglobin deficits.
Correct Answer is D
Explanation
Choice A reason: Edema is characterized by the accumulation of excess fluid in the interstitial spaces, which typically results in skin that is tight, shiny, and may exhibit pitting when pressed. Tenting is the opposite of this, as it involves a lack of fluid that prevents the skin from rebounding.
Choice B reason: Skin infections, such as cellulitis, usually present with localized erythema, warmth, swelling, and tenderness. While severe systemic infections can lead to fluid loss and subsequent dehydration, tenting itself is a specific sign of fluid volume deficit rather than a diagnostic indicator of a primary infectious process.
Choice C reason: When hydration is optimal, skin turgor is brisk, meaning the skin immediately returns to its original flat position after being pinched. Tenting indicates a loss of skin turgor and poor elasticity, which is a clear clinical sign that the patient's current hydration status is not optimal.
Choice D reason: Tenting occurs when the skin is pinched and remains elevated or returns slowly to its original position. This is a classic clinical manifestation of fluid volume deficit or dehydration, as the lack of interstitial fluid reduces the tension and elasticity required for the skin to snap back quickly.
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