Nokea
Identify the physician who is certified to provide the most comprehensive perinatal care.
- A. family practice
- B. obstetrician
- C. surgeon
- D. maternal-fetal medicine
Correct Answer: D
Rationale: Maternal-fetal medicine specialists provide comprehensive perinatal care. Other physicians have more limited scopes.
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What term would the nurse use to document the lab results of a patient with a zero sperm count?
- A. azospermia
- B. oligospermia
- C. varicocele
- D. retrograde ejaculation
Correct Answer: A
Rationale: Azoospermia refers to the absence of sperm in the ejaculate, indicating a zero sperm count.
The placenta allows exchange of oxygen, nutrients, and waste products between the mother and fetus by:
- A. Contact between maternal blood and fetal capillaries within the chorionic villi.
- B. Interaction of maternal and fetal pH levels within the endometrial vessels.
- C. A mixture of maternal and fetal blood within the intervillous spaces.
- D. Passive diffusion of maternal carbon dioxide and oxygen into the fetal capillaries.
Correct Answer: A
Rationale: Fetal capillaries within the chorionic villi are bathed with oxygen-rich and nutrient-rich maternal blood within the intervillous spaces.
The nurse is providing second trimester education on self-care measures to a group of pregnant persons and their support persons. What information is most important for the nurse to include at this time? Select 3 that apply.
- A. good hygiene
- B. wearing maternity clothing
- C. limiting fluid near bedtime
- D. leg cramps
Correct Answer: C
Rationale: Hygiene, sexuality, and rest are key aspects of self-care during the second trimester.
A pregnant woman at 25 weeks' gestation tells the nurse that she dropped a pan last week and her baby jumped at the noise. Which response by the nurse is most accurate?
- A. That must have been a coincidence; babies can't respond like that.
- B. The fetus is demonstrating the aural reflex.
- C. Babies respond to sound starting at about 24 weeks of gestation.
- D. Let me know if it happens again; we need to report that to your midwife.
Correct Answer: C
Rationale: Babies respond to sound starting at about 24 weeks of gestation.
Some of the embryo’s intestines remain within the umbilical cord during the embryonic period because the
- A. intestines need this time to grow until week
- B. nutrient content of the blood is higher in this location.
- C. abdomen is too small to contain all the organs while they are developing.
- D. umbilical cord is much larger at this time than it will be at the end of pregnancy.
Correct Answer: C
Rationale: During early development of the fetus, the umbilical cord is relatively larger compared to later stages of pregnancy. This is because the umbilical cord plays a crucial role in providing necessary nutrients, oxygen, and removing waste products from the developing baby. As the pregnancy progresses, the blood vessels in the umbilical cord mature and shrink in diameter, leading to a decrease in its overall size compared to the early stages. The larger size of the umbilical cord in early pregnancy facilitates efficient nutrient exchange between the mother and the developing fetus, supporting the baby's growth and development.