Pediatrics Genetics · NurseQuizzes

ATI RN · Pediatrics Genetics

Question 1 of 44

Which P arm of the following chromosomes carries rDNA genes?

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ATI RN · Pediatrics Genetics

Question 2 of 44

Which of the following conditions shows anticipation in paternal transmission?

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ATI RN · Pediatrics Genetics

Question 3 of 44

Normal pregnancy results from:

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ATI RN · Pediatrics Genetics

Question 4 of 44

The growing promising technique that is still in the research stage and being piloted in high-risk pregnancies for prenatal diagnosis is

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ATI RN · Pediatrics Genetics

Question 5 of 44

An extra finger in humans is rare but is due to a dominant gene. When one parent is normal and the other parent has an extra finger but is heterozygous for the trait, what is the probability that the first child will be normal?

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ATI RN · Pediatrics Genetics

Question 6 of 44

Heart disease, diabetes, cancer, alcoholism and many mental illnesses can best be described as:

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ATI RN · Pediatrics Genetics

Question 7 of 44

The location of beta satellite:

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ATI RN · Pediatrics Genetics

Question 8 of 44

47 XYY occurs due to:

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ATI RN · Pediatrics Genetics

Question 9 of 44

Which of the following is a tumor suppressor gene instead of an oncogene?

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ATI RN · Pediatrics Genetics

Question 10 of 44

Which of the following chromosomal alterations would you expect to have the most drastic consequences?

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ATI RN · Pediatrics Genetics

Question 11 of 44

A cell is in GO phase. How many chromosomes does it have?

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ATI RN · Pediatrics Genetics

Question 12 of 44

All the following are the rules of X-Linked recessive Inheritance EXCEPT

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ATI RN · Pediatrics Genetics

Question 13 of 44

A genetic defect in humans results in the absence of sweat glands in the skin. Some men have this defect all over their bodies, but in women, it is usually expressed in a peculiar way. A woman with this defect typically has small patches of skin with sweat glands and other patches where sweat glands are lacking. This pattern suggests the phenotypic effect of:

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ATI RN · Pediatrics Genetics

Question 14 of 44

A 31-year-old man has a unilateral breast lump. A biopsy is performed, and the pathology report, surprisingly, shows an early-stage carcinoma. The man's family history reveals no history of breast cancer. What would the physician be most likely to advise?

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ATI RN · Pediatrics Genetics

Question 15 of 44

Which of the following karyotypes is not compatible with survival to birth?

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ATI RN · Pediatrics Genetics

Question 16 of 44

Of the following, the test /study that is required to be done periodically in persons with Down syndrome (DS) is

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ATI RN · Pediatrics Genetics

Question 17 of 44

Wilms' tumor (nephroblastoma), an embryonal malignancy of the kidney, is the most common renal tumor of childhood. The tumor suppressor WTI is associated with familial Wilms Tumor and its locus is IlpDNA was extracted from the normal tissue and tumor of a patient with Wilms' tumor, and from the blood of the patient's father and mother. Electrophoresis (southern blot) was performed for a polymorphic marker (A) which is close to WTI. Based on the figure, which of the following is the most likely to explain the mutation in this patient's cancer?

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ATI RN · Pediatrics Genetics

Question 18 of 44

Tetraploidy:

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ATI RN · Pediatrics Genetics

Question 19 of 44

Which of the following genetic changes is associated with a female whose karyotype is 46, XY?

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ATI RN · Pediatrics Genetics

Question 20 of 44

Parents to a 2-year-old boy with achondroplasia, father is 45 years and mother is 35 years old and no one of them manifest the disease. Of the following, the MOST likely explanation is

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ATI RN · Pediatrics Genetics

Question 21 of 44

All are true about homeobox genes EXCEPT

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ATI RN · Pediatrics Genetics

Question 22 of 44

Karyotyping is not used in:

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ATI RN · Pediatrics Genetics

Question 23 of 44

Which of the following is correct with regard to aneuploidy?

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ATI RN · Pediatrics Genetics

Question 24 of 44

Which of the following cannot be seen in triploidy?

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ATI RN · Pediatrics Genetics

Question 25 of 44

Although BRAC2 was initially found associated with breast cancer, it also increases the risk for cancers in the

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ATI RN · Pediatrics Genetics

Question 26 of 44

Loss of tumor suppression in a cell usually results from:

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ATI RN · Pediatrics Genetics

Question 27 of 44

You observed a patient with a genetic disorder for which there is no previous family history of his disease. which of the following scenarios could explain this situation:

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ATI RN · Pediatrics Genetics

Question 28 of 44

The prolactin level of the young woman described in Question 1 is 1000 times higher than normal. The next test in her evaluation should be

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ATI RN · Pediatrics Genetics

Question 29 of 44

Which of the following would result in Angelman syndrome?

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ATI RN · Pediatrics Genetics

Question 30 of 44

Cells of the eye lens are:

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ATI RN · Pediatrics Genetics

Question 31 of 44

A chromosomal abnormality that involves 30 megabase region. The most likely abnormality to cause the worse disease is:

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ATI RN · Pediatrics Genetics

Question 32 of 44

A cancer that spreads is termed:

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ATI RN · Pediatrics Genetics

Question 33 of 44

RET gene:

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ATI RN · Pediatrics Genetics

Question 34 of 44

Down syndrome due to translocation of a third chromosome 21 is best described by all of the following EXCEPT

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ATI RN · Pediatrics Genetics

Question 35 of 44

Which of the following causes female pseudohermaphroditism?

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ATI RN · Pediatrics Genetics

Question 36 of 44

The figure below is the pedigree demonstrating the recurrence of Osteogenesis imperfecta in children with their father unaffected (arrow)

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ATI RN · Pediatrics Genetics

Question 37 of 44

Expressivity can be described as:

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ATI RN · Pediatrics Genetics

Question 38 of 44

Which of the following conditions is caused by a trinucleotide (triplet) repeat expansion?

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ATI RN · Pediatrics Genetics

Question 39 of 44

All the following are features of Prader-Willi syndrome EXCEPT

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ATI RN · Pediatrics Genetics

Question 40 of 44

Successful treatment of nonspecific vulvovaginitis includes all of the following EXCEPT

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ATI RN · Pediatrics Genetics

Question 41 of 44

69 XYY occurs due to:

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ATI RN · Pediatrics Genetics

Question 42 of 44

You are evaluating a small for gestational age neonate; you find the following features: hypertonia, prominent occiput, short sternum, and clenching of fists.

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ATI RN · Pediatrics Genetics

Question 43 of 44

Which of the following karyotype is expected to be associated with abnormal phenotype [Note: 't' is translocation, and 'del' is deletion]:

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ATI RN · Pediatrics Genetics

Question 44 of 44

The most common ovarian neoplasm in adolescents is

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