Nursing Elites

1. Melena, the passage of black, tarry stools, suggests bleeding from which source?

• A. The perianal or rectal area
• B. The upper gastrointestinal (GI) tract
• C. The lower GI tract
• D. Hemorrhoids or anal fissures

Correct answer: B

Rationale: Melena indicates bleeding from the upper GI tract. The black, tarry appearance of the stool results from the partial digestion of blood as it passes through the intestines, typically originating from sources like the stomach or duodenum. Lower GI bleeding usually presents as bright red blood in the stool, originating from sources like the colon or rectum. Choices A, C, and D are incorrect because melena specifically points to upper GI bleeding rather than issues in the perianal/rectal area, lower GI tract, or hemorrhoids/anal fissures.

2. What factor predisposes an infant to fluid imbalances?

• A. Decreased surface area
• B. Lower metabolic rate
• C. Immature kidney functioning
• D. Decreased daily exchange of extracellular fluid

Correct answer: C

Rationale: Infants have immature kidneys that are less efficient at concentrating urine, making them more susceptible to fluid imbalances. Their higher surface area to volume ratio also contributes to greater insensible fluid losses.

3. What findings would the nurse consider normal in assessing the anterior fontanel of a neonate?

• A. Closed anterior fontanel
• B. Sunken anterior fontanel
• C. Bulging anterior fontanel
• D. Pulsating anterior fontanel

Correct answer: D

Rationale: The correct answer is D: Pulsating anterior fontanel. The fontanel should feel flat, firm, and well demarcated. Pulsations are frequently visible at the anterior fontanel, which is a normal finding in a neonate. A closed anterior fontanel, as mentioned, is a potential sign of a major abnormality. A sunken or bulging fontanel (when the infant is quiet) may be indicative of distress or a major abnormality. Therefore, options A, B, and C are considered abnormal findings when assessing the anterior fontanel of a neonate.

4. According to Erikson’s developmental theory, toddlers need to be encouraged to become independent to successfully complete which developmental challenge?

• A. Trust vs. mistrust
• B. Industry vs. inferiority
• C. Autonomy vs. shame and doubt
• D. Initiative vs. guilt

Correct answer: C

Rationale: The correct answer is C: Autonomy vs. shame and doubt. Erikson's developmental stage for toddlers focuses on the conflict between developing a sense of independence (autonomy) and feelings of inadequacy (shame and doubt). Encouraging toddlers to explore their environment and make choices helps them build self-confidence and independence. Choices A, B, and D are incorrect because trust vs. mistrust relates to infancy, industry vs. inferiority is associated with school-age children, and initiative vs. guilt is linked to preschoolers.

5. What is the best indicator of fluid balance in a pediatric patient?

• A. Blood pressure
• B. Heart rate
• C. Weight
• D. Urine output

Correct answer: C

Rationale: Weight is the most accurate indicator of fluid balance in pediatric patients. Changes in weight reflect shifts in body fluid levels more directly compared to other parameters. Blood pressure and heart rate may be affected by various factors other than fluid balance. While urine output is important in assessing renal function, it may not provide a comprehensive picture of overall fluid balance in pediatric patients.

Similar Questions