NUR 170 EXAM 3 QUESTIONS AND
CORRECT ANSWERS LATEST UPDATE
2026/2027 GRADED A+ .
NUR 170 Exam 3 – Practice Examination
1. A nurse is assessing a client in active labor. The fetal heart rate (FHR) shows a
deceleration that begins just after the contraction starts and returns to baseline
by the end of the contraction. Which action should the nurse take?
• A. Administer oxygen at 10 L/min via non-rebreather.
• B. Reposition the client to left lateral.
• C. Document the finding as an early deceleration.
• D. Prepare for immediate cesarean birth.
Answer: C. Document the finding as an early deceleration.
Rationale: Early decelerations are caused by fetal head compression during
contractions. They are benign and require no intervention other than
documentation. Late or variable decelerations require interventions like
repositioning or oxygen.
2. A nurse is caring for a client with preeclampsia receiving IV magnesium
sulfate. Which finding indicates magnesium toxicity?
• A. Respiratory rate of 14 breaths/min
• B. Deep tendon reflexes 2+
• C. Urinary output of 25 mL/hour
, • D. Blood pressure 140/90 mm Hg
Answer: C. Urinary output of 25 mL/hour
*Rationale: Magnesium toxicity signs include decreased urine output (<30
mL/hour), absent reflexes, and respiratory depression (<12 breaths/min). 25
mL/hour is below the safe threshold and requires holding the infusion and
notifying the provider.*
3. A nurse is admitting a client with suspected placenta previa. Which finding is
most consistent with this diagnosis?
• A. Rigid, board-like abdomen
• B. Painless bright red vaginal bleeding
• C. Severe abdominal pain with dark bleeding
• D. Fetal distress with late decelerations
Answer: B. Painless bright red vaginal bleeding
Rationale: Placenta previa occurs when the placenta covers the cervical os,
causing painless, bright red bleeding in the third trimester. Abruptio placentae
presents with painful, dark bleeding and a rigid abdomen.
4. A nurse is assessing a newborn at 1 minute of life. The newborn has a heart
rate of 110, weak cry, some flexion of extremities, grimaces when stimulated,
and is completely cyanotic. What is the APGAR score?
• A. 4
• B. 5
• C. 6
• D. 7
CORRECT ANSWERS LATEST UPDATE
2026/2027 GRADED A+ .
NUR 170 Exam 3 – Practice Examination
1. A nurse is assessing a client in active labor. The fetal heart rate (FHR) shows a
deceleration that begins just after the contraction starts and returns to baseline
by the end of the contraction. Which action should the nurse take?
• A. Administer oxygen at 10 L/min via non-rebreather.
• B. Reposition the client to left lateral.
• C. Document the finding as an early deceleration.
• D. Prepare for immediate cesarean birth.
Answer: C. Document the finding as an early deceleration.
Rationale: Early decelerations are caused by fetal head compression during
contractions. They are benign and require no intervention other than
documentation. Late or variable decelerations require interventions like
repositioning or oxygen.
2. A nurse is caring for a client with preeclampsia receiving IV magnesium
sulfate. Which finding indicates magnesium toxicity?
• A. Respiratory rate of 14 breaths/min
• B. Deep tendon reflexes 2+
• C. Urinary output of 25 mL/hour
, • D. Blood pressure 140/90 mm Hg
Answer: C. Urinary output of 25 mL/hour
*Rationale: Magnesium toxicity signs include decreased urine output (<30
mL/hour), absent reflexes, and respiratory depression (<12 breaths/min). 25
mL/hour is below the safe threshold and requires holding the infusion and
notifying the provider.*
3. A nurse is admitting a client with suspected placenta previa. Which finding is
most consistent with this diagnosis?
• A. Rigid, board-like abdomen
• B. Painless bright red vaginal bleeding
• C. Severe abdominal pain with dark bleeding
• D. Fetal distress with late decelerations
Answer: B. Painless bright red vaginal bleeding
Rationale: Placenta previa occurs when the placenta covers the cervical os,
causing painless, bright red bleeding in the third trimester. Abruptio placentae
presents with painful, dark bleeding and a rigid abdomen.
4. A nurse is assessing a newborn at 1 minute of life. The newborn has a heart
rate of 110, weak cry, some flexion of extremities, grimaces when stimulated,
and is completely cyanotic. What is the APGAR score?
• A. 4
• B. 5
• C. 6
• D. 7
