Nokea
When should a woman start having pap smears?
- A. None
- B. At age 21.
- C. None
- D. None
Correct Answer: B
Rationale: Guidelines recommend starting pap smears at age 21.
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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.
In which structure does fertilization usually occur?
- A. the ovary
- B. the uterus
- C. the fallopian tube
- D. the vagina
Correct Answer: C
Rationale: Fertilization typically occurs in the fallopian tube, where the sperm meets the ovum.
The most basic information a maternity nurse should have concerning conception is that:
- A. Ova are considered fertile 48 to 72 hours after ovulation.
- B. Sperm remain viable in the woman's reproductive system for an average of 12 to 24 hours.
- C. Conception is achieved when a sperm successfully penetrates the membrane surrounding the ovum.
- D. Implantation in the endometrium occurs 6 to 10 days after conception.
Correct Answer: D
Rationale: After implantation, the endometrium is called the decidua.
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.
The most critical time of development during pregnancy is during organogenesis, where teratogens can cause congenital abnormalities. When is this time period?
- A. At the time of fertilization
- B. During the zygote period
- C. During the embryonic period
- D. At 20 weeks gestation
Correct Answer: C
Rationale: Organogenesis occurs during the embryonic period, where teratogens have the highest impact.