Down Syndrome is caused by which additional chromosome?
20
21
22
19
The Correct Answer is B
A. 20. Trisomy 20 is not associated with Down syndrome.
B. 21. Down syndrome results from an extra copy of chromosome 21, called Trisomy 21.
C. 22. Trisomy 22 leads to other syndromes but not Down syndrome.
D. 19. Trisomy 19 is incompatible with life and does not cause Down syndrome.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Uncontrollable shaking of the body: This is a hallmark sign of generalized tonic-clonic seizures, characterized by jerking movements of the body.
B. Difficulty breathing and shortness of breath: Respiratory difficulties are not primary symptoms of seizures but may occur in severe cases.
C. Dizziness and lightheadedness: These symptoms are more indicative of conditions like vertigo or syncope, not seizures.
D. Rapid heart rate and chest pain: These are more characteristic of cardiac issues than seizures.
Correct Answer is D
Explanation
A. "I cannot wash my child's hair prior to the procedure.": Hair should be clean and free of oils or products to ensure proper electrode placement and signal conduction.
B. "This procedure will be painful for my child.": An EEG is a non-invasive and painless test.
C. "I should not give my child anything to eat prior to the procedure.": Eating is usually permitted before an EEG unless sedation is planned.
D. "My child should remain quiet and still during this procedure.": Movement can interfere with the test's accuracy, so the child needs to stay calm and still during the procedure.
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