Nursing practice questions with comprehensive rationales
NurseDive Free Nursing Practice Question
A nurse is reinforcing teaching about phenylketonuria (PKU) testing with the parent of a newborn. Which of the following statements by the parent indicates a need for further teaching?
A. "My baby will be placed under special lights if the test is elevated.".
This statement indicates a need for further teaching. Phenylketonuria (PKU) is a metabolic disorder that leads to the accumulation of phenylalanine in the body. If the PKU test is elevated, it means that the baby has high levels of phenylalanine, and immediate dietary intervention is required. The parent's statement about special lights suggests a confusion with jaundice treatment, which is not related to PKU.
B. "My baby must take formula or breast milk before the test is done.".
This statement is accurate. Before the PKU test is done, the baby needs to consume formula or breast milk to ensure accurate test results.
C. "This test checks for a genetic disorder that can be corrected by diet.".
This statement is also accurate. PKU is a genetic disorder that can be managed with a special diet low in phenylalanine. By adhering to the prescribed diet, the harmful effects of PKU can be minimized.
D. "Sometimes the test is repeated in the doctor's office at the 2-week check-up.".
This statement is accurate. It is common for the PKU test to be repeated at the 2-week check- up to confirm the initial results and ensure early detection and management of PKU if present.
This question is an excerpt from Nurse Dive's nursing test bank - ATI Custom Maternity Newborncare Proctored Exam. Take the full exam now
Full Explanation
"My baby will be placed under special lights if the test is elevated.”.
Choice A rationale:
This statement indicates a need for further teaching. Phenylketonuria (PKU) is a metabolic disorder that leads to the accumulation of phenylalanine in the body. If the PKU test is elevated, it means that the baby has high levels of phenylalanine, and immediate dietary intervention is required. The parent's statement about special lights suggests a confusion with jaundice treatment, which is not related to PKU.
Choice B rationale:
This statement is accurate. Before the PKU test is done, the baby needs to consume formula or breast milk to ensure accurate test results.
Choice C rationale:
This statement is also accurate. PKU is a genetic disorder that can be managed with a special diet low in phenylalanine. By adhering to the prescribed diet, the harmful effects of PKU can be minimized.
Choice D rationale:
This statement is accurate. It is common for the PKU test to be repeated at the 2-week check- up to confirm the initial results and ensure early detection and management of PKU if present.
Similar Questions
A nurse is collecting data from a newborn. Which of the following anatomical landmarks should the nurse use to measure chest circumference?
A. Sternal notch.
The sternal notch is not an appropriate landmark for measuring chest circumference. It is a notch at the top of the sternum and not indicative of chest circumference.
B. Nipple line.
When measuring the chest circumference of a newborn, the correct anatomical landmark to use is the nipple line. This method ensures that the measurement is taken at a consistent and reproducible location across different individuals, providing an accurate assessment of the chest size relative to growth and development standards. It's important to position the measuring tape at the level of the nipples, encircling the chest at its largest point, which typically aligns with the nipple line.
C. Lower ribcage border.
The lower ribcage border is not suitable as it may vary significantly with respiratory movements and is not a stable landmark for consistent measurements.
D. Axillae.
The axillae (armpits) are not used as a landmark for measuring chest circumference. It is not a standardized anatomical point for this purpose.
Full Explanation
The nurse should use the lower ribcage border to measure chest circumference.
Choice A rationale:
The sternal notch is not an appropriate landmark for measuring chest circumference. It is a notch at the top of the sternum and not indicative of chest circumference.
Choice B rationale:
When measuring the chest circumference of a newborn, the correct anatomical landmark to use is the nipple line. This method ensures that the measurement is taken at a consistent and reproducible location across different individuals, providing an accurate assessment of the chest size relative to growth and development standards. It's important to position the measuring tape at the level of the nipples, encircling the chest at its largest point, which typically aligns with the nipple line.
Choice C rationale:
The lower ribcage border is also not suitable as it may vary significantly with respiratory movements and is not a stable landmark for consistent measurements.
Choice D rationale:
The axillae (armpits) are not used as a landmark for measuring chest circumference. It is not a standardized anatomical point for this purpose.
A nurse is assisting a client with breastfeeding her newborn. The nurse should explain that which of the following reflexes will initiate sucking?
A. Moro.
The Moro reflex is a startle reflex characterized by the infant's sudden extension and abduction of the arms in response to a loud noise or sudden movement. It is not involved in the initiation of sucking and is unrelated to breastfeeding.
B. Rooting.
The rooting reflex is a crucial reflex that helps initiate sucking in newborns. When the infant's cheek is stroked or touched, they will turn their head toward the stimulus and open their mouth, preparing for feeding. This reflex helps the infant find the mother's nipple and begin breastfeeding effectively.
C. Stepping.
The stepping reflex is a primitive reflex observed in newborns when held upright with their feet touching a solid surface. The baby will make stepping movements, mimicking walking. However, this reflex is not related to the initiation of sucking and breastfeeding.
D. Babinski.
The Babinski reflex is a reflex in which the big toe extends upward and the other toes fan out when the sole of the foot is stimulated. This reflex is present in newborns and disappears as the child grows older. It is not involved in the initiation of sucking.
Full Explanation
Rooting. Choice A rationale:
The Moro reflex is a startle reflex characterized by the infant's sudden extension and abduction of the arms in response to a loud noise or sudden movement. It is not involved in the initiation of sucking and is unrelated to breastfeeding.
Choice B rationale:
The rooting reflex is a crucial reflex that helps initiate sucking in newborns. When the infant's cheek is stroked or touched, they will turn their head toward the stimulus and open their mouth, preparing for feeding. This reflex helps the infant find the mother's nipple and begin breastfeeding effectively.
Choice C rationale:
The stepping reflex is a primitive reflex observed in newborns when held upright with their feet touching a solid surface. The baby will make stepping movements, mimicking walking. However, this reflex is not related to the initiation of sucking and breastfeeding.
Choice D rationale:
The Babinski reflex is a reflex in which the big toe extends upward and the other toes fan out when the sole of the foot is stimulated. This reflex is present in newborns and disappears as the child grows older. It is not involved in the initiation of sucking.
Which statement about fetal circulation is true?
A. Fetal circulation is no longer effective at birth.
Fetal circulation undergoes significant changes at birth. It becomes ineffective as the transition from intrauterine to extrauterine life occurs. The foramen ovale and ductus arteriosus, which allow blood to bypass certain fetal circulatory pathways, close as the baby breathes for the first time.
B. Fetal circulation continues until red blood cells are broken down.
Fetal circulation does not continue until red blood cells are broken down. Red blood cells in a fetus have a shorter lifespan than those in adults and are continually replaced throughout gestation. However, their breakdown is not the reason for the changes in fetal circulation.
C. Fetal circulation continues until after the stress of labor.
The correct answer. Fetal circulation continues until after the stress of labor. During labor, the baby experiences increased stress and pressure, which helps trigger various physiological changes, including the closure of specific fetal circulatory shunts.
D. Fetal circulation continues until adulthood.
Fetal circulation does not continue until adulthood. As mentioned earlier, the transition from fetal to adult circulation occurs during and after birth, with the closure of specific fetal shunts and the establishment of a fully functional adult circulatory system.
Full Explanation
Fetal circulation continues until after the stress of labor.
Choice A rationale:
Fetal circulation undergoes significant changes at birth. It becomes ineffective as the transition from intrauterine to extrauterine life occurs. The foramen ovale and ductus arteriosus, which allow blood to bypass certain fetal circulatory pathways, close as the baby breathes for the first time.
Choice B rationale:
Fetal circulation does not continue until red blood cells are broken down. Red blood cells in a fetus have a shorter lifespan than those in adults and are continually replaced throughout gestation. However, their breakdown is not the reason for the changes in fetal circulation.
Choice C rationale:
The correct answer. Fetal circulation continues until after the stress of labor. During labor, the baby experiences increased stress and pressure, which helps trigger various physiological changes, including the closure of specific fetal circulatory shunts.
Choice D rationale:
Fetal circulation does not continue until adulthood. As mentioned earlier, the transition from fetal to adult circulation occurs during and after birth, with the closure of specific fetal shunts and the establishment of a fully functional adult circulatory system.