Nokea
What are probable signs of pregnancy? Select all that apply.
- A. amenorrhea
- B. fetal movement
- C. Goodell sign
- D. positive pregnancy test
Correct Answer: B
Rationale: Probable signs include Goodell sign, positive pregnancy test, and skin hyperpigmentation. Amenorrhea and fetal movement are subjective or definitive signs.
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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.
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 is discussing genetically linked diseases with a couple planning a pregnancy. The female states, 'I am concerned because there is a history of sickle-cell disease in my family.' Which information from the nurse is correct?
- A. Any offspring will have the disease.
- B. Only male children will have the disease.
- C. The male partner needs genetic testing.
- D. The couple should not become pregnant.
Correct Answer: C
Rationale: The male partner should undergo genetic testing to determine if he is a carrier of the sickle-cell gene. This information guides the couple's reproductive decisions.
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.
A key finding from the Human Genome Project is:
- A. Approximately 20,500 genes make up the genome.
- B. All human beings are 80.99% identical at the DNA level.
- C. Human genes produce only one protein per gene; other mammals produce three proteins per gene.
- D. Single gene testing will become a standardized test for all pregnant patients in the future.
Correct Answer: A
Rationale: Approximately 20,500 genes make up the human genome.