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.
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Correct Answer is B
Explanation
A. Describing manifestations of the illness: Preschoolers lack the cognitive ability to describe symptoms in detail.
B. Relating fears to magical thinking: Magical thinking is characteristic of preschoolers, and they may associate illness with punishment or fantastical causes.
C. Awareness of body function: This is more typical of school-age children, not preschoolers.
D. Understanding cause of illness: Preschoolers do not have the cognitive development to understand illness causation fully.
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.