A nurse is caring for a newborn. How many blood vessels should the nurse expect to observe in the newborn's umbilical cord?

Two arteries and two veins.

One artery and one vein.

Two arteries and one vein.

Two veins and one artery.

Answer and Explanation

The Correct Answer is C

Choice A rationale:

The umbilical cord typically contains two arteries and one vein. Arteries carry oxygen-depleted blood and waste products from the fetus to the placenta for removal, while the vein carries oxygenated blood and nutrients from the placenta to the fetus. This arrangement is essential for maintaining proper fetal circulation during pregnancy.

Choice B rationale:

This choice is incorrect because the umbilical cord usually contains two arteries and one vein, not just one artery and one vein. Having only one artery could indicate a potential vascular abnormality or congenital issue that may require further investigation or medical attention.

Choice C rationale:

This is the correct answer. The umbilical cord usually contains two arteries and one vein. The presence of two arteries allows for the efficient removal of waste products and carbon dioxide from the fetus, while the single vein delivers essential nutrients and oxygen to support the baby's growth and development.

Choice D rationale:

This choice is incorrect as it states two veins and one artery, which is not the typical configuration of blood vessels in the umbilical cord. Having two veins and one artery would disrupt fetal circulation and hinder proper nutrient and waste exchange between the fetus and the placenta.

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Correct Answer is C

Explanation

Choice A rationale:

Preterm labor. Performing a pelvic examination in a client with placenta previa can potentially trigger uterine contractions, leading to preterm labor. Manipulating the cervix during the examination may stimulate the release of hormones that could initiate labor, putting both the mother and the baby at risk.

Choice B rationale:

Infection. While infection is a valid concern in any medical procedure, it is not the primary rationale for avoiding a pelvic examination in a client with placenta previa. The primary concern is the risk of severe bleeding caused by the disruption of the placenta's attachment to the uterine wall.

Choice C rationale:

Profound bleeding. The primary rationale to avoid a pelvic examination in a client with placenta previa is the risk of profound bleeding. Placenta previa occurs when the placenta covers part or all of the cervix, and it is at risk of being damaged or detached during a pelvic exam. This can lead to life-threatening hemorrhage for both the mother and the baby.

Choice D rationale:

Rupture of the fetal membranes. While this complication is possible during a pelvic examination, it is not the primary rationale to avoid the procedure in a client with placenta previa. The main concern, as mentioned before, is the risk of severe bleeding that can occur due to placental disruption.

A. Abdominal pain with minimal red vaginal bleeding. B. A large amount of bright red vaginal bleeding without pain. C. Severe abdominal pain with increasing fundal height. D. Intermittent abdominal pain following the passage of bloody mucus.

Correct Answer is B

Explanation

Choice A rationale:

Abdominal pain with minimal red vaginal bleeding may not be as concerning as other options. While it could be a sign of placenta previa, it is not as specific or significant as the finding in Choice B.

Choice B rationale:

A large amount of bright red vaginal bleeding without pain is a significant finding that is highly suggestive of placenta previa. Placenta previa occurs when the placenta partially or completely covers the cervix, and vaginal bleeding is a common symptom. The bright red colour indicates active bleeding, and the absence of pain is noteworthy as placenta previa bleeding is typically painless.

Choice C rationale:

Severe abdominal pain with increasing fundal height is not a typical sign of placenta previa. While abdominal pain can be associated with various pregnancy complications, it is not a specific finding for this condition.

Choice D rationale:

Intermittent abdominal pain following the passage of bloody mucus could be related to other issues, such as preterm labor or cervical changes. While bleeding may be present in placenta previa, the pain and passage of mucus are not characteristic features of this condition.

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A nurse is caring for a newborn. How many blood vessels should the nurse expect to observe in the newborn's umbilical cord?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is assisting with the care of a client who is at 37 weeks of gestation and has placenta previa. Which of the following risks is the primary rationale the nurse should avoid performing a pelvic examination?

Correct Answer is C

Explanation

A nurse is caring for a client who is at 36 weeks of gestation and has suspected placenta previa. For which of the following findings should the nurse monitor the client?

Correct Answer is B

Explanation

A nurse is speaking on the phone to a client who is pregnant and taking iron supplements for iron-deficiency anaemia. The client reports that her stools are black but she has no abdominal pain or cramping. Which of the following responses by the nurse is appropriate?

A nurse is assisting with the care of a newborn following a vaginal delivery. Which of the following actions should the nurse perform first?

A nurse is assisting with the care of a client who is using pattern-paced breathing during the first stage of labor. The client says she feels lightheaded, and her fingers are tingling. Which of the following actions should the nurse take?

A nurse is reviewing laboratory results from a client who is at 28 weeks of gestation and has gestational diabetes. The nurse notes that blood glucose levels taken 1 hr following a meal range from 145 mg/dL to 162 mg/dL over the past week. Which of the following actions should the nurse take?