A female carries one positive genetic marker for Huntington’s disease. Her partner does not have any markers for the disease. For which reason is it so important for this family to identify persons with the genetic marker?
- A. The Huntington gene is recessive
- B. All of the couple’s offspring will have the disease
- C. Symptoms do not manifest until 30 to 50 years of age
- D. The expression of the disease is varied by individual
Correct Answer: C
Rationale: Symptoms of Huntington's disease manifest later in life, making genetic identification crucial. The other choices either incorrectly describe the genetics of the disease or do not address the significance of identifying carriers.
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Choose the correct client teaching to follow amniocentesis.
- A. Drink 1 to 2 quarts of clear fluid to replace fluid taken in the procedure.
- B. Resume all normal activities when desired.
- C. Report persistent contractions, vaginal bleeding, fluid leaking, or fever.
- D. Eat a diet with increased iron for the 2 days after amniocentesis.
Correct Answer: C
Rationale: Clients should report any concerning symptoms after amniocentesis, such as contractions, bleeding, or fever.
Expectant parents of twins tell the nurse they are having fraternal twins and are asking the nurse what that means. Which reply of the nurse is correct?
- A. Your twins will both be boys.
- B. Your twins are called monozygotic.
- C. You have one placenta and one of each of the fetal membranes called the chorion and amnion.
- D. Your twins will be as alike as any two siblings.
Correct Answer: D
Rationale: Fraternal twins are dizygotic, meaning they are as genetically similar as any other siblings.
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 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.
What patient statement indicates the need for further education about amniocentesis?
- A. “It can be used to test for neural tube defects.”
- B. “It is performed between 15 and 20 weeks’ gestation.”
- C. “It is performed using a sterile needle to withdraw a sample of amniotic fluid.”
- D. “The sample can be obtained using a transcervical approach.”
Correct Answer: D
Rationale: Amniocentesis is performed transabdominally, not transcervically, to obtain amniotic fluid.