Which reproductive option should be informed the parents in pediatric genetic counseling session, for helping… - RRB Nsg Superintendent -29 April 2025 (Shift-1st)

RRB Nsg Superintendent -29 April 2025 (Shift-1st)

Pathology & Genetics

Medium

Appeared in: RRB Nsg Superintendent -29 April 2025 (Shift-1st)

Explanation

Preimplantation Genetic Testing (PGT) is a reproductive technology, not a diagnostic test for an existing person.
It is used with in-vitro fertilization (IVF) to screen embryos for known genetic disorders before they are implanted in the uterus.
This allows parents who are at risk of passing on a genetic condition to select unaffected embryos, directly addressing 'future decision making' about reproduction.
The question specifically asks for a 'reproductive option', and PGT is the only option listed that fits this description.

Option B: Genome sequencing is a comprehensive diagnostic tool used to analyze an individual's entire genetic code to find the cause of a disorder. It identifies a condition; it is not a reproductive method.
Option C: Chromosome microarray analysis (CMA) is a primary diagnostic test used to detect small missing or extra pieces of chromosomes (copy number variants) in a child with developmental delays or birth defects. It is a diagnostic, not a reproductive, tool.
Option D: Targeted molecular testing is a diagnostic test that looks for a specific, suspected gene mutation. For example, if a disease is known to be caused by a particular gene, this test is used to confirm the diagnosis. It is not a reproductive option.

Visual 1: Flowchart - A flowchart illustrating the genetic counseling process. It would start with 'Diagnosis in Child/Parents' (using CMA, Sequencing, etc.), leading to 'Genetic Counseling', which then branches to 'Reproductive Options', with one of the main options being 'IVF + Preimplantation Genetic Testing (PGT)'.
Visual 2: Diagram - A simple diagram showing an embryo at the blastocyst stage with a few cells being removed for trophectoderm biopsy, labeled 'Biopsy for PGT'.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Reproductive options in genetic counseling as background academic context rather than a clinical decision trigger.
A nurse's role in genetic counseling includes reinforcing information and ensuring parents understand the difference between diagnostic tests (which identify a problem) and reproductive options (which are choices for future family planning).
Patient education is crucial. Parents may be overwhelmed and confuse these complex terms. The nurse can help clarify that tests like CMA diagnose their child, while PGT is a choice for a future pregnancy.
What if? - What if the parents are identified as carriers for a recessive disease but have not yet had an affected child? The counseling would still focus on future reproductive options, including PGT, but also natural conception with prenatal diagnosis (like amniocentesis), use of donor gametes, or adoption.

How to Approach the Question

First, identify the core of the question. The key phrase is 'reproductive option'.
Analyze the provided options and categorize them. Ask yourself, 'Is this a method to create or select a pregnancy, or is it a test to diagnose a condition in a person who is already born?'
Genome sequencing, chromosome microarray, and targeted molecular testing are all methods to diagnose a condition in an existing person (the child or parent).
Preimplantation genetic testing is a procedure performed on embryos before pregnancy. This clearly makes it a 'reproductive option'.
Therefore, eliminate the three diagnostic tests, leaving PGT as the only logical answer that fits the question's specific requirement.

Concept Tested & Keywords

Concept Tested: Reproductive options in genetic counseling
Stem keywords: pediatric genetic counseling, reproductive option, future decision making
Lead-in keywords: Which
Negative lead-in flag: false

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