Nokea
At approximately ___ weeks of gestation, lecithin is forming on the alveolar surfaces, the eyelids open, and the fetus measures approximately 27 cm crown to rump and weighs approximately 1110 g.
- A. 20
- B. 24
- C. 28
- D. 30
Correct Answer: C
Rationale: These milestones of human development occur at approximately 28 weeks.
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The prenatal nurse is discussing fetal circulation with a student nurse. What statement by the student indicates to the prenatal nurse the student understands the information?
- A. The ductus arteriosus attaches the umbilical artery to the hepatic artery.
- B. The ductus venosus attaches the pulmonary artery to the aorta.
- C. The foramen ovale is located in the ventricular septum.
- D. There are two arteries and one vein in the umbilical cord.
Correct Answer: D
Rationale: The umbilical cord has two arteries and one vein. Other statements about fetal circulation are incorrect.
The nurse is caring for a pregnant person at 28 weeks’ gestation who has started noticing an increase in vaginal discharge that does not have an odor. What is the appropriate response by the nurse to the pregnant person’s concern?
- A. The discharge is because of the weight of the uterus on your bladder.
- B. The discharge means you have a urinary tract infection.
- C. A slight increase in vaginal discharge is expected at 28 weeks of gestation.
- D. There is nothing to worry about.
Correct Answer: C
Rationale: Increased vaginal discharge is normal due to hormonal changes. It does not indicate an infection or bladder issue.
An infertile couple voices concern to the nurse about assisted reproductive technologies (ART). The nurse agrees that ART has created numerous dilemmas. Which potential questions does the nurse discuss with the couple? Select all that apply.
- A. Which partner has ownership of the embryos?
- B. Should a child be told about donors or surrogates?
- C. Are there parental rights for sperm donors?
- D. Does a fertility donor have financial obligations?
Correct Answer: D
Rationale: Ownership of embryos, informing children about donors, parental rights, and the fate of surplus embryos are all dilemmas associated with ART. Financial obligations of fertility donors may vary and are not commonly emphasized in counseling.
A 35-year-old woman is 34 weeks pregnant and is diagnosed with oligohydramnios. She asks the nurse to explain how this could affect the pregnancy. Which should the nurse explain to the client? Select all that apply.
- A. The baby’s lungs may be underdeveloped.
- B. The umbilical cord may become compressed.
- C. The mother has developed diabetes mellitus.
- D. It is associated with fetal gastrointestinal abnormalities.
Correct Answer: C
Rationale: Oligohydramnios can cause underdeveloped lungs, compressed umbilical cords, fetal limb abnormalities, and is associated with renal issues. Gastrointestinal abnormalities are less likely.
The nurse must be cognizant that an individual's genetic makeup is known as his or her:
- A. Genotype.
- B. Phenotype.
- C. Karyotype.
- D. Chromotype.
Correct Answer: A
Rationale: The genotype comprises all the genes the individual can pass on to a future generation.