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 D
Explanation
The baseline fetal heart rate is the average heart rate over a 10-minute period, excluding accelerations and decelerations, and is an important indicator of fetal well-being during labor.
A baseline fetal heart rate of 110-160 beats/min is considered normal. A baseline heart rate of less than 110 beats/min is considered bradycardia, which can be a sign of fetal distress or hypoxia. A baseline heart rate greater than 160 beats/min is considered tachycardia, which can also be a sign of fetal distress or hypoxia.
Correct Answer is B
Explanation
Methotrexate is a medication that can be used to treat an ectopic pregnancy by stopping the growth of the developing embryo and allowing the body to absorb it.
Surgery, such as salpingostomy or salpingectomy, may be required in some cases. Bedrest and suction D&C are not typically part of the treatment plan for an ectopic pregnancy.
A cesarean section is a surgical procedure used for delivering a baby during a full-term pregnancy and is not related to an ectopic pregnancy.
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