Clinical Genetics 3 Flashcards

1
Q

Sensitivity

A

The proportion of all people with the condition who are correctly identified as such by the test assay.

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2
Q

Specificity

A

The proportion of all people who do not have the condition and who are correctly identified as such by the test assay.

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3
Q

Mutation Scanning

A

Testing for any non-defined change in the base sequence of a genome or a genome component (such as an exon, gene, or exome) in the hope of identifying abnormal mutation that correlate with disease (As opposed to testing for specific mutations).

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4
Q

Chromosomal Microarray Analysis

A

The clinical application of microarray-based DNA hybridization assays to scan the DNA of each chromosome for changes in copy number of DNA segments from tens of kilobases to tens of megabases.

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5
Q

Target Enrichment Sequencing

A

The desired sequences are captured from a genomic DNA sample by a DNA hybridization method and submitted for DNA sequencing.

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6
Q

Genetic Counseling

A

The process by which parents are informed of the consequences and nature of the disorder, the probability of developing and transmitting it, and the options open to them.

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7
Q

Analytical Validity

A

A test’s ability to measure the genotype of interest accurately and reliably.

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8
Q

Clinical Validity

A

A test’s ability to detect or predict the clinical disorder or phenotype associated with the genotype.

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9
Q

Clinical Utility

A

The usefulness of a clinical practice.

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10
Q

Ethical Validity

A

Whether outcomes are sound and just.

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11
Q

Negative Predictive Value

A

The number of true negatives (people who test negative who don’t have a condition) divided by the total number of people who test negative.

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12
Q

Positive Preditctive Value

A

The probability that subjects with a positive screening test truly have the disease.

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13
Q

Autonomy

A

The capacity to make an informed, uncoerced decision.

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14
Q

Non-maleficence

A

A principle of bioethics that asserts an obligation not to inflict harm intentionally.

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15
Q

Beneficence

A

A concept in research ethics which states that researchers should have the welfare of the research participant as a goal of any clinical trial or other research study.

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16
Q

Justice

A

The fair and equitable distribution of burdens and benefits.

17
Q

Ethics

A

Moral principles that govern a person’s behavior or the conducting of an activity.

18
Q

“right to an open future” principle

A

Encompasses moral rights to be saved for the child until the child is an adult.

19
Q

Eugenics

A

A set of beliefs and practices that aim to improve the genetic quality of a human population, historically by excluding people and groups judged to be inferior or promoting those judged to be superior. In recent years, the term has seen a revival in bioethical discussions on the usage of new technologies such as CRISPR and genetic screening, with a heated debate on whether these technologies should be called eugenics or not.

20
Q

Incidental or Secondary Findings

A

Previously undiagnosed medical or psychiatric conditions that are discovered unintentionally and during evaluation for a medical or psychiatric condition.

21
Q

Incedentalome

A

An incidental finding is an unanticipated finding which is not related to the original diagnostic inquiry. As with other types of incidental findings, they may represent a diagnostic, ethical, and philosophical dilemma because the significance is unclear. While some coincidental findings may lead to beneficial diagnoses, others may lead to overdiagnosis in the form of unnecessary testing and treatment, i.e. the “cascade effect.”