Question

What is the primary purpose of the Apgar score when assessing a newborn?

Answer 1

Correct Answers:

To evaluate the newborn's immediate condition and need for resuscitation

Rationale :

🟢 The Apgar score is a quick assessment tool performed at 1 and 5 minutes after birth to evaluate how well a newborn tolerated the birthing process and how well they are adapting to extrauterine life.

🟢 It assesses five criteria: Appearance (skin color), Pulse (heart rate), Grimace (reflex irritability), Activity (muscle tone), and Respiration (breathing effort) — each scored from 0 to 2, for a maximum score of 10.

🟢 A score of 7–10 indicates a newborn in good condition, 4–6 signals moderate distress, and 0–3 indicates severe distress requiring immediate resuscitation.

🟢 This tool helps the healthcare team determine if interventions such as oxygen, suctioning, or ventilation are required to stabilize the infant.

🟢 The Apgar score does not predict long-term health or developmental outcomes, but rather the newborn’s immediate physiological status after birth.

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Answer 2

Correct Answers:

The light breaks down bilirubin in the skin so the body can eliminate it safely."

Rationale :

💎 Phototherapy is the primary treatment for neonatal hyperbilirubinemia, a condition caused by excess unconjugated bilirubin in the blood. The light converts bilirubin in the skin into water-soluble isomers (lumirubin) through a process called photo-oxidation.

💎 These transformed bilirubin molecules can then be excreted through urine and stool without needing further metabolism by the immature newborn liver.

💎 The therapy is safe and effective when used correctly, with nursing precautions such as eye protection, temperature monitoring, hydration, and frequent repositioning to maximize skin exposure.

💎 The goal is to prevent bilirubin encephalopathy (kernicterus) and promote the baby’s recovery without invasive treatment.

💎 Nurses should reassure parents that phototherapy is a common and noninvasive method that significantly reduces bilirubin levels and is carefully monitored to ensure safety.

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Answer 3

Correct Answers:

A treatment plan includes diet, exercise, and monitoring blood glucose levels.

Rationale :

🔷 Gestational diabetes mellitus (GDM) occurs when hormonal changes during pregnancy cause insulin resistance, leading to elevated blood glucose levels. The first line of treatment is lifestyle modification, including a balanced diet (controlled carbohydrate intake and frequent small meals), regular moderate exercise, and self-monitoring of blood glucose.

🔷 If blood glucose targets are not met through these measures, insulin therapy may be introduced because it does not cross the placenta and is safe for the fetus.

🔷 The primary goal of management is to maintain euglycemia, preventing complications such as macrosomia, neonatal hypoglycemia, and cesarean delivery.

🔷 Ongoing prenatal visits and education are essential to monitor both maternal and fetal well-being throughout pregnancy.

🔷 This comprehensive approach helps ensure optimal outcomes for both mother and baby without unnecessary medication exposure.

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Answer 4

Correct Answers:

Gestational hypertension

Rationale :

🟣 Gestational hypertension is one of the strongest risk factors for developing preeclampsia, a hypertensive disorder of pregnancy characterized by new-onset hypertension with proteinuria or signs of organ dysfunction after 20 weeks’ gestation.

🟣 Clients who already have elevated blood pressure are at higher risk because endothelial dysfunction and abnormal placental perfusion can progress to preeclampsia.

🟣 Other known risk factors include chronic hypertension, diabetes, multiple gestation, obesity (BMI ≥30), advanced maternal age (>35), and a history of preeclampsia in previous pregnancies.

🟣 Early recognition and monitoring are crucial to prevent severe complications such as eclampsia, HELLP syndrome, and fetal growth restriction.

🟣 The nurse should prioritize blood pressure monitoring, urine protein assessment, and education about warning signs like headaches, visual changes, and right upper quadrant pain.

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Answer 5

Correct Answers:

I just moved here and don't know anyone. And my partner recently ended our relationship."

Rationale :

🔶 This response indicates potential issues with social isolation and lack of emotional support, which are key social determinants of health that can negatively affect both maternal and fetal outcomes.

🔶 Limited social connections can increase a pregnant client’s risk for stress, anxiety, depression, poor prenatal follow-up, and difficulty accessing community resources.

🔶 The nurse should further assess the client’s support system, safety, living situation, and access to transportation or financial stability to identify possible interventions.

🔶 Connecting the client to support groups, counseling services, or social work referrals can help promote emotional well-being and ensure a healthy pregnancy environment.

🔶 Addressing social determinants early enables nurses to provide holistic, person-centered care that supports both the physical and psychosocial needs of the client.

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Answer 6

Correct Answers:

The time between the beginning and the end of one contraction.

Rationale :

💠 Frequency of contractions is measured from the start of one contraction to the start of the next, providing information about how often contractions occur during labor.

💠 This measurement helps determine the pattern and progress of labor, as contractions typically become more frequent, longer, and stronger as labor advances.

💠 Accurate timing allows the nurse to monitor for normal uterine activity (usually every 2–5 minutes in active labor) and detect hyperstimulation, which could compromise fetal oxygenation.

💠 The duration of a contraction, in contrast, measures the time from the beginning to the end of a single contraction — a different aspect of uterine activity.

💠 Regular assessment and documentation of contraction frequency, duration, and intensity are essential for evaluating labor effectiveness and fetal well-being.

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Answer 7

Correct Answers:

Neural tube defects

Rationale :

💎 Folic acid (vitamin B9) is essential for DNA synthesis, cell division, and neural tissue formation, making it critical during early fetal development.

💎 Adequate folic acid intake before conception and during the first trimester significantly reduces the risk of neural tube defects (NTDs) such as spina bifida, anencephaly, and encephalocele.

💎 The recommended daily intake for women of childbearing age is 400–800 mcg; those with a previous pregnancy affected by an NTD may need higher doses as prescribed.

💎 Since the neural tube closes by day 28 after conception, supplementation should begin prior to pregnancy to be effective.

💎 Promoting folic acid through diet (leafy greens, fortified cereals, citrus fruits) and supplements is a key part of prenatal preventive care.

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Answer 8

Correct Answers:

Progesterone

Rationale :

🔷 Progesterone, produced mainly by the corpus luteum after ovulation, is the key hormone that prepares and maintains the endometrium for possible implantation of a fertilized ovum.

🔷 It causes the endometrial glands to thicken, become highly vascular, and secrete nutrients, creating an optimal environment for the developing embryo.

🔷 If fertilization does not occur, progesterone levels fall, leading to shedding of the endometrial lining (menstruation).

🔷 If pregnancy occurs, the corpus luteum continues producing progesterone until the placenta takes over hormone production.

🔷 This hormone also helps relax uterine muscles, preventing contractions that could disrupt implantation.

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Answer 9

Correct Answers:

41-year-old client who is pregnant and experiencing no fetal movement.

Rationale :

💠 Absence of fetal movement is a potential obstetric emergency that may indicate fetal distress, hypoxia, or intrauterine fetal demise. Prompt evaluation is essential to determine fetal well-being.

💠 The nurse should immediately contact this client to perform a focused assessment, including asking about gestational age, timing of last movement, and instructing the client to perform kick counts while arranging for further evaluation (e.g., nonstress test or ultrasound).

💠 Advanced maternal age (≥40 years) also increases the risk for placental insufficiency, chromosomal abnormalities, and stillbirth, heightening the urgency of this concern.

💠 The other clients’ complaints—nausea, cough, and dysuria—are nonemergent and can be addressed after assessing fetal viability.

💠 Early recognition and intervention can help prevent fetal loss and ensure appropriate medical management.

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Answer 10

Correct Answers:

To enable early detection of fetal hypoxia

Rationale :

🟢 The primary goal of external fetal monitoring (EFM) is to provide continuous assessment of the fetal heart rate (FHR) in relation to uterine contractions, allowing for early detection of fetal hypoxia or distress.

🟢 The monitor uses ultrasound transducers placed on the mother’s abdomen to record the FHR and a tocotransducer to measure contraction frequency and duration.

🟢 By evaluating baseline rate, variability, accelerations, and decelerations, the nurse can identify nonreassuring patterns that may signal compromised oxygenation or placental perfusion.

🟢 This enables prompt interventions such as maternal repositioning, oxygen administration, or notifying the provider for possible delivery if distress persists.

🟢 Continuous fetal monitoring helps ensure timely recognition and prevention of hypoxic injury, promoting safe outcomes for both mother and baby.

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Custom N105 Cumulative Final CAD July 2025

No.

1 :
What is the primary purpose of the Apgar score when assessing a newborn?

2 :
The parents of a 2-day-old newborn with jaundice express concern about their baby being placed under a phototherapy light. The mother asks, "Why does my baby need to be under this light, and is it safe?" Which response by the nurse is most appropriate to address the parents' concerns?

3 :
A pregnant woman with newly diagnosed gestational diabetes asks about her treatment plan. What should the nurse include in the explanation?

4 :
A nurse is reviewing the electronic health record (EHR) of a client at 36 weeks of gestation. Which of the following findings should the nurse identify as placing the client at high risk for developing preeclampsia?

5 :
A nurse is obtaining information about social determinants of health from a new client during their first prenatal visit. For which of the following responses by the client should the nurse seek more information?

6 :
What does the nurse note when measuring the frequency of a laboring woman's contractions?

7 :
The nurse encourages adequate intake of folic acid for women of childbearing age before and during pregnancy. What is folic acid thought to decrease the incidence of in fetal development?

8 :
Which hormone is primarily responsible for preparing the endometrium for potential implantation after ovulation?

9 :
A nurse in an obstetric clinic has received messages from four clients. Which of the following clients should the nurse call first?

10 :
During labor, the nurse is preparing to apply external fetal monitoring. What is the primary goal of this intervention?

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Custom N105 Cumulative Final CAD July 2025

No.

1 : What is the primary purpose of the Apgar score when assessing a newborn?

2 : The parents of a 2-day-old newborn with jaundice express concern about their baby being placed under a phototherapy light. The mother asks, "Why does my baby need to be under this light, and is it safe?" Which response by the nurse is most appropriate to address the parents' concerns?

3 : A pregnant woman with newly diagnosed gestational diabetes asks about her treatment plan. What should the nurse include in the explanation?

4 : A nurse is reviewing the electronic health record (EHR) of a client at 36 weeks of gestation. Which of the following findings should the nurse identify as placing the client at high risk for developing preeclampsia?

5 : A nurse is obtaining information about social determinants of health from a new client during their first prenatal visit. For which of the following responses by the client should the nurse seek more information?

6 : What does the nurse note when measuring the frequency of a laboring woman's contractions?

7 : The nurse encourages adequate intake of folic acid for women of childbearing age before and during pregnancy. What is folic acid thought to decrease the incidence of in fetal development?

8 : Which hormone is primarily responsible for preparing the endometrium for potential implantation after ovulation?

9 : A nurse in an obstetric clinic has received messages from four clients. Which of the following clients should the nurse call first?

10 : During labor, the nurse is preparing to apply external fetal monitoring. What is the primary goal of this intervention?

1 :
What is the primary purpose of the Apgar score when assessing a newborn?

2 :
The parents of a 2-day-old newborn with jaundice express concern about their baby being placed under a phototherapy light. The mother asks, "Why does my baby need to be under this light, and is it safe?" Which response by the nurse is most appropriate to address the parents' concerns?

3 :
A pregnant woman with newly diagnosed gestational diabetes asks about her treatment plan. What should the nurse include in the explanation?

4 :
A nurse is reviewing the electronic health record (EHR) of a client at 36 weeks of gestation. Which of the following findings should the nurse identify as placing the client at high risk for developing preeclampsia?

5 :
A nurse is obtaining information about social determinants of health from a new client during their first prenatal visit. For which of the following responses by the client should the nurse seek more information?

6 :
What does the nurse note when measuring the frequency of a laboring woman's contractions?

7 :
The nurse encourages adequate intake of folic acid for women of childbearing age before and during pregnancy. What is folic acid thought to decrease the incidence of in fetal development?

8 :
Which hormone is primarily responsible for preparing the endometrium for potential implantation after ovulation?

9 :
A nurse in an obstetric clinic has received messages from four clients. Which of the following clients should the nurse call first?

10 :
During labor, the nurse is preparing to apply external fetal monitoring. What is the primary goal of this intervention?