Genetics

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Question 1
Free
Multiple Choice

Aclient whose mother has diagnosed with BRCA gene-related breast cancer asks the nurse, "Do you think I should be tested for the gene?" Which of the following responses by the nurse is most appropriate?

Choose correct answer/s
A

"In most cases, breast cancer is not caused by the BRCA gene."

B

"It depends on how you will feel if the test is positive for the BRCA gene."

C

"There are many things to consider before deciding to have genetic testing."

D

"You should decide first whether you are willing to have a double mastectomy."

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Question 2
Free
Multiple Choice

Which of the following terms describe the process by which the codon sequence is converted to amino acids?

Choose correct answer/s
A

Transcription

B

Mutation

C

Translation

D

Processing

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Question 3
Free
Multiple Choice

The nurse is counselling a couple in which the man has an autosomal recessive disorder, and the woman has no gene for the disorder. The nurse uses Punnett squares to show the couple that the probability of their having a child with the disorder is whichofthefollowing percentages?

Choose correct answer/s
A

0%

B

25%

C

50%

D

75%

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Question 4
Free
Multiple Choice

The parents of a child with brachydactyly ask if their next child will also be affected. Which of the following is the basis for the nurses' response related to autosomal dominant disorders?

Choose correct answer/s
A

There is a 25% chance that the child will be affected.

B

All male off-spring are affected.

C

There is a 50% chance that the child will be affected.

D

All female off-spring will be affected.

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Question 5
Free
Multiple Choice

The parents of a child with cystic fibrosis ask if their next child will also be affected. Which of the following is the basis for the nurse's response related to autosomal recessive disorders?

Choose correct answer/s
A

There is a 25% chance that the child will be affected.

B

All male off-spring are affected.

C

There is a 50% chance that the child will be affected.

D

All female off-spring will be affected.

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Question 6
Multiple Choice

When taking a family history in the genetic clinic, the nurse will ask information about how many generations in the past?

Choose correct answer/s
A
2
B
3
C
4
D
5
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Question 7
Multiple Choice

Anewly pregnant woman asks the nurse what the best time is for a prenatal diagnostic amniocentesis? Which of the following time frames is the basis for the nurses' response?

Choose correct answer/s
A
7-10 weeks
B
11-13 weeks
C
15-17 weeks
D
20-24 weeks
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Question 8
Multiple Choice

Anewly pregnant woman asks the nurse what the best time is for chorionic villus sampling? Which of the following time frames is the basis for the nurse's response?

Choose correct answer/s
A
8-10 weeks
B
11-12 weeks
C
15-16 weeks
D
19-20 weeks
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Question 9
Multiple Choice

Apregnant client with a family history of cystic fibrosis (CF) asks the emergency department nurse for information about genetic testing. Which of the following actions is most appropriate for the nurse to take?

Choose correct answer/s
A
Refer the client to a qualified genetic counsellor.
B
Ask the client why genetic testing is important to her.
C
Remind the client that genetic testing has many social implications.
D
Tell the client that cystic fibrosis is an autosomal-recessive disorder.
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Question 10
Multiple Choice

A male with mild hemophilia asks the nurse, "Will my children be hemophiliacs?" Which of the following responses by the nurse is most appropriate?

Choose correct answer/s
A
"All of your children will be at risk for hemophilia."
B
"Hemophilia is a multifactorial inherited condition."
C
"Only your male children are at risk for hemophilia."
D
"Your female children will be carriers for hemophilia."
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Question 11
Multiple Choice

When carrying out presymptomatic testing, which of the following diseases has a gene that is 100% penetrant?

Choose correct answer/s
A
Tay-Sachs disease
B
Fragile X syndrome
C
Cystic fibrosis
D
Huntington's disease
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