NURS 3366 Exam 1 Questions with Correct Answers (Grade A+)
Question 1: How many pairs of chromosomes do humans have?
Answer: 23 pairs
Question 2: How many pairs of chromosomes are autosomal chromosomes?
Answer: 22 pairs
Question 3: How many pairs are sex chromosomes?
Answer: 1
Question 4: Homozygous dominant
Answer: GG
Question 5: Heterozygous dominant
Answer: Gg
Question 6: Homozygous recessive
Answer: gg
Question 7: Examples of Multifactorial Inheritance Disorders
Answer: Lung cancer, HTN, CAD, DM
Question 8: Teratogenic disorder
Answer: any influence -- eg. drugs, radiation, viruses - that can cause congenital defects
Question 9: Fetal Alcohol Syndrome
Answer: occurs because toxicity of alcohol causes gene mutations during gestational development
Question 10: Thalidomide Babies
Answer: born with abnormal arms & legs due to mothers taking the drug thalidomide during early
pregnancy
Page 1
, Question 11: Down syndrome is also called what?
Answer: Trisomy 21
Question 12: What is down syndrome?
Answer: disorder of abnormal numbers of chromosomes that is sometimes associated with pregnancies of
women great than 35 years of age
Question 13: What chromosome is affected by down syndrome?
Answer: Chromosome 21
Question 14: Sickle cell anemia is a autosomal ____________ disorder?
Answer: recessive
Question 15: What are the signs and symptoms of sickle cell anemia?
Answer: SOB weakness fatigue ischemic pain
Question 16: Polycystic Kidney Disease is a autosomal _________ disorder?
Answer: dominant
Question 17: What are the signs and symptoms of polycystic kidney disease?
Answer: hematuria proteinuria frequent kidney infxns pain @ costovertebral angles and abdomen kidney
stones
Question 18: Hemophilia is what type of disorder?
Answer: sex linked disorder
Question 19: Long term anaerobic metabolism can lead to what?
Answer: acidosis & altered mental status
Question 20: What is the normal pH of blood?
Answer: 7.35 to 7.45
Question 21: Glycogenolysis
Answer: breakdown of glycogen to glucose
Page 2
Question 1: How many pairs of chromosomes do humans have?
Answer: 23 pairs
Question 2: How many pairs of chromosomes are autosomal chromosomes?
Answer: 22 pairs
Question 3: How many pairs are sex chromosomes?
Answer: 1
Question 4: Homozygous dominant
Answer: GG
Question 5: Heterozygous dominant
Answer: Gg
Question 6: Homozygous recessive
Answer: gg
Question 7: Examples of Multifactorial Inheritance Disorders
Answer: Lung cancer, HTN, CAD, DM
Question 8: Teratogenic disorder
Answer: any influence -- eg. drugs, radiation, viruses - that can cause congenital defects
Question 9: Fetal Alcohol Syndrome
Answer: occurs because toxicity of alcohol causes gene mutations during gestational development
Question 10: Thalidomide Babies
Answer: born with abnormal arms & legs due to mothers taking the drug thalidomide during early
pregnancy
Page 1
, Question 11: Down syndrome is also called what?
Answer: Trisomy 21
Question 12: What is down syndrome?
Answer: disorder of abnormal numbers of chromosomes that is sometimes associated with pregnancies of
women great than 35 years of age
Question 13: What chromosome is affected by down syndrome?
Answer: Chromosome 21
Question 14: Sickle cell anemia is a autosomal ____________ disorder?
Answer: recessive
Question 15: What are the signs and symptoms of sickle cell anemia?
Answer: SOB weakness fatigue ischemic pain
Question 16: Polycystic Kidney Disease is a autosomal _________ disorder?
Answer: dominant
Question 17: What are the signs and symptoms of polycystic kidney disease?
Answer: hematuria proteinuria frequent kidney infxns pain @ costovertebral angles and abdomen kidney
stones
Question 18: Hemophilia is what type of disorder?
Answer: sex linked disorder
Question 19: Long term anaerobic metabolism can lead to what?
Answer: acidosis & altered mental status
Question 20: What is the normal pH of blood?
Answer: 7.35 to 7.45
Question 21: Glycogenolysis
Answer: breakdown of glycogen to glucose
Page 2
