PATHOLOGY

PATHOLOGY MCQ

GENETICS AND DISEASE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A nurse is caring for a patient with thalassemia and explains the meaning of mutation. What would be appropriate for the nurse to include in the explanation?
A
It is a disease affecting only females.
B
It is a change in the normal sequence of DNA.
C
It is a disease that is caused by a sedentary lifestyle
D
It is a disorder affecting the hearing and speech of an individual.
Explanation: 

Detailed explanation-1: -She asks about the need for genetic testing. How does the nurse respond? The nurse is not expected to be the final source of definitive information on genetic issues. However, the nurse can help ensure that the client is appropriately referred to a genetic counselor.

Detailed explanation-2: -The basic unit of heredity information located on a specific part of a chromosome is called a gene. Traits refer to physical characteristics that one inherits from parents. The locus is a position of a gene on a chromosome.

Detailed explanation-3: -Trisomy 21 is the most common chromosomal anomaly in humans, affecting about 5, 000 babies born each year and more than 350, 000 people in the United States. Also known as Down syndrome, trisomy 21 is a genetic condition caused by an extra chromosome.

Detailed explanation-4: -Genome is the entire genetic constitution of an individual. A nurse is aware that what nitrogenous bases are found in deoxyribonucleic acid (DNA)?

There is 1 question to complete.