The nurse is assessing the knowledge of new parents with a child born with maple syrup urine disease (MSUD). This is an autosomal recessive inherited disorder, which means that:
The disorder occurs in males and heterozygous females.
The disorder is carried on the X chromosome.
Both genes of a pair must be abnormal for the disorder to be expressed.
Only one copy of the abnormal gene is required for the disorder to be expressed.
The Correct Answer is C
Both genes of a pair must be abnormal for the disorder to be expressed. In autosomal recessive inheritance, the gene for the disorder is located on an autosome (any chromosome other than a sex chromosome) and a person must inherit two copies of the abnormal gene (one from each parent) in order for the disorder to be expressed. If a person inherits only one copy of the abnormal gene, they are a carrier of the disorder but do not typically show symptoms.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
In the case of a bioterrorism attack involving anthrax, the main priority for the nurse is to administer antibiotics within 48 hours of exposure using the Strategic National Stockpile. Anthrax is a serious bacterial infection that can be used as a bioterrorism weapon. Antibiotics, such as ciprofloxacin, doxycycline, and penicillin, can be used to prevent anthrax from developing in people who have been exposed.
There is currently no vaccine available for anthrax exposure. Also, symptom support alone is not enough in cases of anthrax exposure, as anthrax can progress rapidly and lead to serious complications. Placing everyone who was exposed in quarantine may not be necessary in all situations, and should be determined on a case-by-case basis depending on the extent and severity of the exposure.
Correct Answer is A
Explanation
Smoking has been linked to a variety of health issues, including decreased fertility in both men and women. It can cause damage to sperm DNA and reduce sperm motility, which can make it more difficult for sperm to reach and fertilize an egg. Therefore, smoking can contribute to infertility issues. It's important for the man to quit smoking or at least reduce his cigarette consumption to increase his chances of conception with his wife.
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