Mental Retardation

mental-retardation

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Question 1 of 1

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What percentage of learning disability is due to prenatal factors?

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Explanation

50–70% of cases are due to prenatal factors, 10–20% to perinatal and another 5–10% to postnatal factors

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Which of the following statements is false regarding Down syndrome?

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Which of the following statements is true regarding Patau syndrome

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Explanation

Patau syndrome is due to trisomy of chromosome 13. Children with Patau syndrome have abnormal genitalia and low IQ. It can be caused by other malfunctions like translocation.

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Which of the following statements is false regarding Down syndrome?

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Explanation

The most common cause of Down syndrome is trisomy 21 (more than 95% of cases). Only less than 5% is due to a Robertsonian translocation. The incidence per 1000 live births increases greatly from 5 in women under 35 to 25 in women under 40 years, but because of the higher number of pregnancies in younger women, most children with Down syndrome are born to mothers under the age of 35 years.

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All of the following diseases in the mother during pregnancy can lead to learning disability, except:

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Explanation

Learning disability in a baby can be caused by the mother suffering from one of the following illnesses: non-infectious causes are diabetes, hypothyroidism, hypertension and malnutrition; infectious causes include syphilis, HIV and TORCH (toxoplasmosis, rubella, cytomegalovirus, herpes simplex) (rubella is German measles)

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People with Down syndrome have an increased risk of:

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Explanation

Down syndrome patients have an increased risk of Alzheimer’s dementia, hypothyroidism (20%), depression (10%), myopia (30%) and brachycephaly.

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Which of the following is not a feature of Down syndrome?

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With which of the following syndromes is learning disability rarely associated?

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Prader–Willi syndrome consists of all of the following, except:

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Explanation

Features of Prader – Willi syndrome include short stature, hypogenitalism (cryptorchidism, micropenis, amenorrhoea), overeating, obesity, mild to moderate learning disability and sleep disorders.

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Which of the following is a feature of Angelman syndrome?

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Explanation

Angelman (happy puppet) syndrome features ataxia, epilepsy (86%), paroxysms of laughter, microcephaly, prominent jaw and severe or profound learning disability.

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According to the Diagnostic and Statistical Manual of Mental Disorders, 4th edition (DSM- IV), which one of the following is a diagnostic criterion for mental retardation?

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Explanation

IQ must be 70 or below, onset before 18, Deficit in adaptive functioning in at least 2 areas: ADL's, academic, work, leasure, health, safety. May have a mental illness.

Mental Retardation

Question 1 of 1

Time Left

What percentage of learning disability is due to prenatal factors?

Select the correct answer(s).

(0/0)

Explanation

Which of the following statements is false regarding Down syndrome?

Select the correct answer(s).

(0/0)

Which of the following statements is true regarding Patau syndrome

Select the correct answer(s).

(0/0)

Explanation

Which of the following statements is false regarding Down syndrome?

Select the correct answer(s).

(0/0)

Explanation

All of the following diseases in the mother during pregnancy can lead to learning disability, except:

Select the correct answer(s).

(0/0)

Explanation

People with Down syndrome have an increased risk of:

Select the correct answer(s).

(0/0)

Explanation

Which of the following is not a feature of Down syndrome?

Select the correct answer(s).

(0/0)

With which of the following syndromes is learning disability rarely associated?

Select the correct answer(s).

(0/0)

Prader–Willi syndrome consists of all of the following, except:

Select the correct answer(s).

(0/0)

Explanation

Which of the following is a feature of Angelman syndrome?

Select the correct answer(s).

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Explanation

According to the Diagnostic and Statistical Manual of Mental Disorders, 4th edition (DSM- IV), which one of the following is a diagnostic criterion for mental retardation?

Select the correct answer(s).

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Explanation

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