NU 170
Maternal-Child Nursing Comprehensive Exam 2
Exam 2 • Practice Questions & Rationales
UPDATE
Actual Questions & Verified Answers
with Detailed Clinical Rationales
Practice Questions with Rationales
Galen College of Nursing
NU 170
✓ 100% Verified Answers
✓ Complete Rationales Included
Exam (elaborations)
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,NU 170 Maternal-Child Nursing Comprehensive Exam 2 2026/2027 UPDATE – Galen
1. A nurse is monitoring a client receiving Magnesium Sulfate for preeclampsia. Which finding
is the most sensitive indicator of impending magnesium toxicity?
A. Absent deep tendon reflexes (DTRs)
B. Urinary output of 40 mL/hr
C. Respiratory rate of 14 breaths/min
D. Serum magnesium level of 6 mg/dL
Answer: A
Rationale: Loss of deep tendon reflexes is the first sign of magnesium toxicity, occurring at
levels usually between 7-10 mEq/L, followed by respiratory depression and cardiac arrest.
2. A laboring client’s electronic fetal monitor shows late decelerations. What is the
physiological cause of this pattern?
A. Uteroplacental insufficiency
B. Umbilical cord compression
C. Fetal head compression
D. Rapid fetal descent
Answer: A
, Rationale: Late decelerations are caused by uteroplacental insufficiency, indicating that
the fetus is not receiving enough oxygen during contractions.
3. Which assessment finding in a newborn should be reported immediately to the healthcare
provider?
A. Acrocyanosis within the first 2 hours of life
B. Milia across the bridge of the nose
C. Presence of a Mongolian spot on the sacrum
D. Substernal retractions and nasal flaring
Answer: D
Rationale: Substernal retractions and nasal flaring are signs of respiratory distress
syndrome and require immediate intervention, whereas the other options are normal or
benign findings.
4. A nurse is caring for a child with Tetralogy of Fallot who experiences a hypercyanotic (‘tet’)
spell. What is the priority nursing action?
A. Administer 100% oxygen via non-rebreather mask
B. Administer morphine sulfate intravenously
C. Place the child in the knee-chest position
D. Prepare for immediate surgical intervention
Answer: C
Maternal-Child Nursing Comprehensive Exam 2
Exam 2 • Practice Questions & Rationales
UPDATE
Actual Questions & Verified Answers
with Detailed Clinical Rationales
Practice Questions with Rationales
Galen College of Nursing
NU 170
✓ 100% Verified Answers
✓ Complete Rationales Included
Exam (elaborations)
Instant PDF Download • Ready for Study
,NU 170 Maternal-Child Nursing Comprehensive Exam 2 2026/2027 UPDATE – Galen
1. A nurse is monitoring a client receiving Magnesium Sulfate for preeclampsia. Which finding
is the most sensitive indicator of impending magnesium toxicity?
A. Absent deep tendon reflexes (DTRs)
B. Urinary output of 40 mL/hr
C. Respiratory rate of 14 breaths/min
D. Serum magnesium level of 6 mg/dL
Answer: A
Rationale: Loss of deep tendon reflexes is the first sign of magnesium toxicity, occurring at
levels usually between 7-10 mEq/L, followed by respiratory depression and cardiac arrest.
2. A laboring client’s electronic fetal monitor shows late decelerations. What is the
physiological cause of this pattern?
A. Uteroplacental insufficiency
B. Umbilical cord compression
C. Fetal head compression
D. Rapid fetal descent
Answer: A
, Rationale: Late decelerations are caused by uteroplacental insufficiency, indicating that
the fetus is not receiving enough oxygen during contractions.
3. Which assessment finding in a newborn should be reported immediately to the healthcare
provider?
A. Acrocyanosis within the first 2 hours of life
B. Milia across the bridge of the nose
C. Presence of a Mongolian spot on the sacrum
D. Substernal retractions and nasal flaring
Answer: D
Rationale: Substernal retractions and nasal flaring are signs of respiratory distress
syndrome and require immediate intervention, whereas the other options are normal or
benign findings.
4. A nurse is caring for a child with Tetralogy of Fallot who experiences a hypercyanotic (‘tet’)
spell. What is the priority nursing action?
A. Administer 100% oxygen via non-rebreather mask
B. Administer morphine sulfate intravenously
C. Place the child in the knee-chest position
D. Prepare for immediate surgical intervention
Answer: C
