Which of the following is a characteristic of Koplik spots in children with measles?
They present as fluid-filled vesicles on the child's chest.
They appear as small, red spots with white centers on the buccal mucosa.
They are enlarged parotid glands.
They are a gray pseudomembrane covering the pharynx.
The Correct Answer is B
Choice A rationale
Fluid-filled vesicles on the chest are not characteristic of Koplik spots. Vesicular rashes are more commonly associated with conditions like varicella (chickenpox) or herpes zoster, where the viral replication leads to the formation of small, elevated, fluid-filled lesions on the skin surface.
Choice B rationale
Koplik spots are pathognomonic for measles, appearing as small, irregular, bright red spots with bluish-white centers on the buccal mucosa, typically opposite the molars. They represent necrotic epithelial cells in the buccal mucosa and are an early diagnostic sign, often appearing 2-3 days before the generalized rash.
Choice C rationale
Enlarged parotid glands are characteristic of mumps, a viral infection affecting the salivary glands, particularly the parotid glands. This condition leads to swelling and tenderness in the areas anterior to the ears and below the jawline, distinct from the oral lesions seen in measles.
Choice D rationale
A gray pseudomembrane covering the pharynx is a hallmark sign of diphtheria, a bacterial infection caused by *Corynebacterium diphtheriae*. This pseudomembrane is a tough, adherent lesion composed of fibrin, bacteria, and necrotic cells that can obstruct the airway, unrelated to measles.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.25"]
Explanation
Step 1 is to convert the child's weight from pounds to kilograms:. 13.2 lbs ÷ 2.2 lbs/kg = 6 kg.
Step 2 is to calculate the ordered dose in mg:. 25 mcg = 0.025 mg.
Step 3 is to calculate the volume to be drawn up for a single dose:. 0.025 mg ÷ (0.1 mg/mL) = 0.25 mL.
Correct Answer is ["B","D"]
Explanation
Choice A rationale
This statement is inaccurate because leadership inherently involves guiding individuals and teams towards achieving organizational objectives and getting work done. Effective leaders inspire action and commitment, which directly contributes to productivity and goal attainment, even though their approach differs from management's direct task orientation.
Choice B rationale
Leadership is indeed more focused on people. It involves inspiring, motivating, and empowering individuals to achieve shared goals. This human-centric approach fosters collaboration, innovation, and personal growth within the team, contrasting with management's primary focus on tasks and operational processes.
Choice C rationale
While management does involve budget allocation and financial oversight as part of its planning and controlling functions, this is not its sole or defining focus. Management encompasses a broader range of responsibilities including organizing resources, directing personnel, and controlling operations to achieve specific objectives.
Choice D rationale
Management is typically an assigned position within an organizational hierarchy, granting formal authority and responsibility for specific functions or departments. This contrasts with leadership, which can emerge organically within a group regardless of formal title, based on influence and inspiration.
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