A man's wife is pregnant for the third time. One child was born with cystic fibrosis, and the other child is healthy. The man wonders what the chance is that this child will have cystic fibrosis. This type of testing is known as:
a. Occurrence risk. c. Predictive testing.
b. Recurrence risk. d. Predisposition testing.
ANS: B
The couple already has a child with a genetic disease so they will be given a recurrence risk test. If a couple has not yet had children but are known to be at risk for having children with a genetic disease, they are given an occurrence risk test. Predictive testing is used to clarify the genetic status of an asymptomatic family member. Predisposition testing differs from presymptomatic testing in that a positive result does not indicate 100% risk of a condition developing.
You might also like to view...
A nurse is planning to teach a group of teenage mothers health promotion strategies for infant care. Which of these strategies should the nurse include in the teaching plan? Select all that apply
1. Playing with the infant each day 2. Vocalizing frequently to the infant 3. Providing for basic physical and emotional needs of infant 4. Placing the infant in the crib and going out of the house for about 30 minutes if the mother is feeling frustrated with infant care 5. Disciplining the infant, such as slapping the infant's hand to teach right from wrong
The best explanation to give patients who ask what caused their dilated cardiomyopathy is that it is most often
A) familial. B) caused by a viral infection. C) an immunological defect. D) idiopathic.
A 15-year-old boy is in the ICU and preparing for an appendectomy. He is clearly anxious and fidgets with his IV constantly. He complains that he doesn't want to be there and he is sick of everyone telling him what to do
What would be the best way for the nurse to address this patient's anxiety? A) Use physical restraints to keep him from pulling out his IV. B) Offer him the remote to the television. C) Lower the head of his bed so that he can rest more easily. D) Explain to the patient in detail what the appendectomy will consist of.
Blood pressure depends on the
A. rate of the heartbeat. B. force of the heartbeat. C. respiratory rate. D. amount of oxygen in the blood.