A nurse identifies pale skin around the nail beds and lips during examination. What does this indicate?
Elevated bilirubin levels
Inflammation in the skin
Possibly anemia or circulatory issue
Inadequate oxygenation
The Correct Answer is C
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: Justice refers to the ethical obligation to treat all patients fairly and distribute resources equitably. While the nurse must apply clinical standards fairly to all patients, the specific act of discontinuing a harmful medication to prevent further injury is centered on safety and the avoidance of harm rather than the distribution of care.
Choice B reason: Nonmaleficence is the fundamental ethical principle of "doing no harm." When a nurse identifies that a prescribed treatment is causing adverse effects that are more detrimental to the patient's health than the condition being treated, they have an ethical duty to intervene. Stopping the medication directly prevents further iatrogenic injury to the patient.
Choice C reason: Autonomy involves the patient's right to make their own decisions about their healthcare. While a patient may choose to stop a medication, the scenario describes the nurse taking action based on a clinical observation of harm. If the nurse makes this decision in the patient's interest to prevent injury, it is an application of professional ethics rather than a reflection of patient self-determination.
Choice D reason: Beneficence is the duty to act in ways that benefit the patient. While stopping a harmful drug is beneficial, the primary focus of stopping a negative or toxic effect is the avoidance of harm, which is the specific definition of nonmaleficence. Beneficence is usually associated with proactive treatments and promoting overall wellness.
Correct Answer is C
Explanation
Choice A reason: Starting with palpation, especially deep palpation, is more likely to decrease patient comfort if the patient has underlying abdominal pain or tenderness. This can lead to muscle guarding, which further complicates the examination. Proper sequencing actually promotes comfort by moving from the least invasive to the most invasive techniques.
Choice B reason: The assertion that there is no impact on examination results is clinically incorrect. Physical examination is a precise diagnostic tool, and the order of operations is standardized to minimize artifacts. Disregarding the correct sequence introduces variables that can obscure clinical findings and lead to errors in the assessment of gastrointestinal health.
Choice C reason: If palpation is performed before auscultation, the pressure applied to the intestines can stimulate hyperactive bowel sounds. A nurse might misinterpret these stimulated sounds as a sign of normal or increased motility when, in reality, the patient may have hypoactive sounds or an impending ileus, leading to an incorrect nursing diagnosis.
Choice D reason: Accuracy is significantly decreased, not increased, when the correct sequence is violated. Reliable assessment of bowel sounds requires that the intestines be in their natural state. By palpating first, the nurse induces artificial sounds, thereby compromising the diagnostic accuracy of the auscultation phase and potentially missing signs of intestinal obstruction.
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