Biology ยท General Awareness
Diseases and Health Risk Factors
2,602 Questions
Diseases and health risk factors examine the intrinsic and environmental causes of human illnesses. This includes common cancers, heart conditions, and substance abuse indicators. These topics are essential for biology papers in medical entrance and civil services examinations.
Cancer risk factorsSubstance abuse indicatorsIntrinsic disease factorsHeart disease risksInfant mortality causesChronic health conditions
Diseases and Health Risk Factors Questions
Which of the following is not a factor that can contribute to childhood obesity?
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Genetics
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Unhealthy diet
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Lack of physical activity
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Exposure to secondhand smoke
A
Correct answer
Explanation
While genetics can play a role in childhood obesity, it is not the only factor. Unhealthy diet, lack of physical activity, and exposure to secondhand smoke are all environmental factors that can contribute to childhood obesity.
What are the risk factors for macular degeneration?
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Age
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Smoking
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Obesity
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All of the above
D
Correct answer
Explanation
The risk factors for macular degeneration include age, smoking, obesity, and a family history of the disease.
What are the risk factors for diabetic retinopathy?
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Diabetes
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High blood pressure
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High cholesterol
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All of the above
D
Correct answer
Explanation
The risk factors for diabetic retinopathy include diabetes, high blood pressure, high cholesterol, and a long duration of diabetes.
What is the leading cause of intellectual disability?
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Genetic disorders
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Prenatal infections
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Birth injuries
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Environmental factors
A
Correct answer
Explanation
Genetic disorders are the leading cause of intellectual disability, accounting for about 50% of cases.
What is the leading cause of autism spectrum disorder?
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Genetic factors
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Environmental factors
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Prenatal infections
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Birth injuries
A
Correct answer
Explanation
Genetic factors are the leading cause of autism spectrum disorder, although the exact cause is unknown.
What is the leading cause of cerebral palsy?
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Birth injuries
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Prenatal infections
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Genetic disorders
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Environmental factors
A
Correct answer
Explanation
Birth injuries are the leading cause of cerebral palsy, accounting for about 50% of cases.
What is the leading cause of Down syndrome?
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Advanced maternal age
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Genetic disorders
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Environmental factors
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Prenatal infections
A
Correct answer
Explanation
Advanced maternal age is the leading cause of Down syndrome, with the risk increasing significantly after the age of 35.
What is the most common type of childhood cancer?
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Leukemia
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Brain cancer
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Lymphoma
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Neuroblastoma
A
Correct answer
Explanation
Leukemia is the most common type of childhood cancer, accounting for about 30% of cases.
What is the leading cause of childhood cancer?
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Genetic factors
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Environmental factors
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Prenatal infections
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Birth injuries
A
Correct answer
Explanation
Genetic factors are the leading cause of childhood cancer, although the exact cause is unknown.
What is the most common type of childhood heart disease?
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Congenital heart defects
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Acquired heart disease
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Rheumatic heart disease
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Kawasaki disease
A
Correct answer
Explanation
Congenital heart defects are the most common type of childhood heart disease, affecting about 1% of children.
What is the leading cause of congenital heart defects?
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Genetic factors
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Environmental factors
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Prenatal infections
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Birth injuries
A
Correct answer
Explanation
Genetic factors are the leading cause of congenital heart defects, although the exact cause is unknown.
What is the leading cause of type 1 diabetes?
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Genetic factors
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Environmental factors
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Prenatal infections
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Birth injuries
A
Correct answer
Explanation
Genetic factors are the leading cause of type 1 diabetes, although the exact cause is unknown.
What is the most common type of childhood asthma?
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Allergic asthma
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Non-allergic asthma
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Mixed asthma
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Exercise-induced asthma
A
Correct answer
Explanation
Allergic asthma is the most common type of childhood asthma, accounting for about 80% of cases.
What is the leading cause of childhood asthma?
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Genetic factors
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Environmental factors
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Prenatal infections
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Birth injuries
B
Correct answer
Explanation
Environmental factors, such as exposure to allergens and air pollution, are the leading cause of childhood asthma.
What is the most common cause of RAD?
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Neglect
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Abuse
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Trauma
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All of the above
D
Correct answer
Explanation
RAD is most commonly caused by neglect, abuse, or trauma experienced in early childhood.