Multiple-choice questions about sickle cell anemia along with their answers
What is the cause of sickle cell anemia?
a) Bacterial infection
b) Genetic mutation
c) Exposure to environmental toxins
d) Autoimmune reaction
Answer: b) Genetic mutation
Which type of inheritance pattern is associated with sickle cell anemia?
a) Autosomal dominant
b) Autosomal recessive
c) X-linked dominant
d) X-linked recessive
Answer: b) Autosomal recessive
Which molecule is primarily affected in sickle cell anemia?
a) Hemoglobin
b) Insulin
c) DNA
d) Collagen
Answer: a) Hemoglobin
What is the normal shape of red blood cells in individuals without sickle cell anemia?
a) Round
b) Oval
c) Sickle-shaped
d) Crescent-shaped
Answer: a) Round
What causes the sickle-shaped red blood cells in sickle cell anemia?
a) Deficiency of iron
b) Abnormal immune response
c) Accumulation of toxins in the blood
d) Abnormal hemoglobin structure
Answer: d) Abnormal hemoglobin structure
Which population is most commonly affected by sickle cell anemia?
a) Caucasian
b) Asian
c) African
d) Hispanic
Answer: c) African
What are the common symptoms of sickle cell anemia?
a) Fatigue and weakness
b) Fever and chills
c) Joint pain and swelling
d) All of the above
Answer: d) All of the above
How is sickle cell anemia diagnosed?
a) Physical examination
b) Blood tests
c) Genetic testing
d) All of the above
Answer: d) All of the above
What is the most effective treatment for sickle cell anemia?
a) Antibiotics
b) Chemotherapy
c) Blood transfusions
d) Stem cell transplantation
Answer: d) Stem cell transplantation
What is the average life expectancy of individuals with sickle cell anemia?
a) Less than 30 years
b) 40-50 years
c) 60-70 years
d) Normal life expectancy
Answer: b) 40-50 years
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