D115 STUDY GUIDE QUESTIONS AND
CORRECT ANSWERS
What is the For an error in which homologous Fail to separate during mitosis or meiosis
✅✅ANSW-Nondisjunction
What is the most common cause of down syndrome ✅✅ANSW-Maternal nondisjunction
What syndrome characterized by absent homologous X chromosome With only a single X-
chromosome Exhibit features include Short stature Widely spaced nipples And webbed neck
✅✅ANSW-Turner syndrome
A person with 47, XXY karyotype has the genetic disorder resulting in which syndrome?
✅✅ANSW-Klinefelter
When a child inherits a disease that is autosomal recessive, it is inherited from: ✅✅ANSW-both
parents
Cystic fibrosis is caused by what type of gene ✅✅ANSW-autosomal recessive
The BRCA1 and BRCA2 Mutations increase the risk of what type of cancer in women ✅✅ANSW-
Uterine
Prater Willi syndrome Causes a chromosomal defect that is what ✅✅ANSW-Inherited from the
father
How is transcription best defined ✅✅ANSW-RNA is synthesized from a DNA template
An amniocentesis indicates a neural tube defect when an increase in which protein is evident?
✅✅ANSW-alpha-fetoprotein
Amniocentesis is recommended for Pregnant with what history ✅✅ANSW-Family history of
genetic disorders
, What is a technique for chromosomal Abnormalities at 10 to 12 weeks gestation ✅✅ANSW-
Chronic villus sampling
What type of immunity is produced by an individual After either natural exposure To the antigen Or
after immunization against the antigen ✅✅ANSW-Acquired-active immunity
What type of immunity is produced when an immuno globulin crosses the placenta ✅✅ANSW-
Passive acquired immunity
Where are antibodies produced? ✅✅ANSW-plasma cells
What antibodies initiates A typical primary immune response ✅✅ANSW-IgM
The common hayfever allergy is Expressed Through a reaction That is mediated by what class of
immunoglobulins ✅✅ANSW-IgE
What are blood transfusion reactions an example of ✅✅ANSW-Alloimmunity
Which statement is true regarding immunodeficiencies ✅✅ANSW-Immunodeficiencies is
generally not present in other family members
A healthcare professional advise patient to exercise because it has A probable impact on reducing
what cancer ✅✅ANSW-colon
Conductive hearing loss involves the ✅✅ANSW-Middle ear
A potential complication of Streptococcus Pharyngitis That leads to contralateral uvular deviation
Asymmetrical tonsillar Muffled voice on exam But no stridor drooling or difficulty breathing or
swallowing is ✅✅ANSW-Peritonsillar abscess
A 64-year-old woman presents your office With complaints of vision loss. Funduscopic Examination
reveals cupping of the optic nerve. Which action should you take ✅✅ANSW-Send a patient to the
nearest ER
CORRECT ANSWERS
What is the For an error in which homologous Fail to separate during mitosis or meiosis
✅✅ANSW-Nondisjunction
What is the most common cause of down syndrome ✅✅ANSW-Maternal nondisjunction
What syndrome characterized by absent homologous X chromosome With only a single X-
chromosome Exhibit features include Short stature Widely spaced nipples And webbed neck
✅✅ANSW-Turner syndrome
A person with 47, XXY karyotype has the genetic disorder resulting in which syndrome?
✅✅ANSW-Klinefelter
When a child inherits a disease that is autosomal recessive, it is inherited from: ✅✅ANSW-both
parents
Cystic fibrosis is caused by what type of gene ✅✅ANSW-autosomal recessive
The BRCA1 and BRCA2 Mutations increase the risk of what type of cancer in women ✅✅ANSW-
Uterine
Prater Willi syndrome Causes a chromosomal defect that is what ✅✅ANSW-Inherited from the
father
How is transcription best defined ✅✅ANSW-RNA is synthesized from a DNA template
An amniocentesis indicates a neural tube defect when an increase in which protein is evident?
✅✅ANSW-alpha-fetoprotein
Amniocentesis is recommended for Pregnant with what history ✅✅ANSW-Family history of
genetic disorders
, What is a technique for chromosomal Abnormalities at 10 to 12 weeks gestation ✅✅ANSW-
Chronic villus sampling
What type of immunity is produced by an individual After either natural exposure To the antigen Or
after immunization against the antigen ✅✅ANSW-Acquired-active immunity
What type of immunity is produced when an immuno globulin crosses the placenta ✅✅ANSW-
Passive acquired immunity
Where are antibodies produced? ✅✅ANSW-plasma cells
What antibodies initiates A typical primary immune response ✅✅ANSW-IgM
The common hayfever allergy is Expressed Through a reaction That is mediated by what class of
immunoglobulins ✅✅ANSW-IgE
What are blood transfusion reactions an example of ✅✅ANSW-Alloimmunity
Which statement is true regarding immunodeficiencies ✅✅ANSW-Immunodeficiencies is
generally not present in other family members
A healthcare professional advise patient to exercise because it has A probable impact on reducing
what cancer ✅✅ANSW-colon
Conductive hearing loss involves the ✅✅ANSW-Middle ear
A potential complication of Streptococcus Pharyngitis That leads to contralateral uvular deviation
Asymmetrical tonsillar Muffled voice on exam But no stridor drooling or difficulty breathing or
swallowing is ✅✅ANSW-Peritonsillar abscess
A 64-year-old woman presents your office With complaints of vision loss. Funduscopic Examination
reveals cupping of the optic nerve. Which action should you take ✅✅ANSW-Send a patient to the
nearest ER
