Exam (elaborations)
Exam (elaborations) NSG 530 (NSG530)
- Course
- NSG 530
- Institution
- Wilkes University
Wilkes nsg 530 exam 1 advanced pathophysiology (2025) with verified grade a answers
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NSG 530 Exam 11. Interphase: cell feeds, metabolizes and grows while replicating DNA in
preparation for mitosis
2. Prophase: first appearance of chromosomes (will be 92)
3. Metaphase: Centrioles pull chromosomes to opposite sides of cell (chromatid)
- 46 each side
4. Anaphase: Centromeres split and sister chromatids are pulled apart
5. Telophase: New nuclear membrane formed around each group of 46
chromosomes *When it goes right, euploid cells are produced*
6. Nondisjunction: Error in meiosis in which homologous chromosomes fail to
separate.
7. Polyploidy: condition in which an organism has extra sets of chromosomes
8. Triploidy: when an organism has three copies of every chromsome instead of
two
9. Tetrapoloidy: euploid has 92 chromosomes and fetus usually does not
survive
10. Huntington's disease: Single gene disorder (trinucleotide repeat mutation)
Autosomal dominant (50% chance of passing it on)
Progressive neurologic disease with late onset (40s)
Prevention- genetic testing for pregnancy planning
11. Cystic fibrosis: Single gene disorder (CFTR gene mutation)
Autosomal recessive
Most common in white children
Defective transport of chloride ions cause salt imbalance- thickened
secretions, digestive issues, malnutrition. Males and females Must inherit two
copies of gene (1 from each parent)
12. Turner syndrome: XO chromosomal disorder, monosomy of X-affects
females Short stature, webbed neck, undeveloped breasts but female
genitalia, usually sterile
13. Down syndrome: Chromosomal disorder, trisomy 21
Affects both sexes
Intellectual disability, poor muscle tone, low nasal bridge, low set ears, protruding
tongue, epicanthal fold
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