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
What is the most common cause of ischemic stroke?
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Atherosclerosis
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Cardioembolism
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Lacunar infarction
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Other
A
Correct answer
Explanation
Atherosclerosis, the buildup of plaque in the arteries, is the most common cause of ischemic stroke, accounting for approximately 80% of cases. It can lead to narrowing of the arteries and reduced blood flow to the brain.
Which of the following is a risk factor for developing multiple sclerosis?
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Family history
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Female gender
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Caucasian race
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All of the above
D
Correct answer
Explanation
Multiple sclerosis is an autoimmune disease that affects the central nervous system. Risk factors for developing multiple sclerosis include family history, female gender, and Caucasian race.
Which of the following is a risk factor for developing a neurological emergency?
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Advanced age
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Chronic medical conditions
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Lifestyle choices
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All of the above
D
Correct answer
Explanation
Risk factors for developing a neurological emergency include advanced age, chronic medical conditions such as hypertension and diabetes, and lifestyle choices such as smoking and excessive alcohol consumption.
Which of the following is an example of a probabilistic cause?
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Flipping a coin and getting heads
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Dropping a glass and it breaking
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Eating a certain food and getting sick
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Stepping on a nail and getting tetanus
A
Correct answer
Explanation
Flipping a coin and getting heads is an example of a probabilistic cause because the outcome is not certain. There is a 50% chance of getting heads and a 50% chance of getting tails.
Which of the following is an example of a correlation that does not imply causation?
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Smoking cigarettes and getting lung cancer
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Eating a healthy diet and living longer
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Getting more education and earning a higher income
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Watching more TV and being less physically active
D
Correct answer
Explanation
Watching more TV and being less physically active is an example of a correlation that does not imply causation. Just because people who watch more TV tend to be less physically active does not mean that watching TV causes people to be less physically active.
What is the leading cause of disability worldwide?
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Cardiovascular disease
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Cancer
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Musculoskeletal disorders
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Mental health disorders
C
Correct answer
Explanation
Musculoskeletal disorders, such as arthritis and back pain, are the leading cause of disability worldwide, affecting over 1 billion people.
Which of the following 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 approximately 25% of all cases.
Which of the following is NOT a recommended safety measure for preventing poisoning in young children?
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Keeping all medications and household chemicals out of reach of children
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Using child-resistant packaging for medications and household chemicals
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Teaching children not to put anything in their mouths
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Leaving medications and household chemicals on the counter
D
Correct answer
Explanation
Leaving medications and household chemicals on the counter is a major risk factor for poisoning in young children. These items should always be kept out of reach of children, either in a locked cabinet or on a high shelf.
What is the most commonly used substance among young adults?
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Alcohol
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Tobacco
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Marijuana
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Prescription drugs
A
Correct answer
Explanation
According to the National Survey on Drug Use and Health, alcohol is the most commonly used substance among young adults aged 18 to 25.
What are the risk factors for addiction in young adults?
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Genetics
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Mental health disorders
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Peer pressure
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All of the above
D
Correct answer
Explanation
Addiction is a complex disease that is influenced by a combination of genetic, psychological, and environmental factors. Young adults who have a family history of addiction, who have mental health disorders, or who are exposed to peer pressure are at an increased risk of developing an addiction.
Which healthcare workers are at highest risk of substance abuse?
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Nurses
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Physicians
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Pharmacists
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All of the above
D
Correct answer
Explanation
All healthcare workers are at risk of substance abuse, but certain groups may be at higher risk, such as nurses, physicians, and pharmacists, due to the stressful nature of their work and easy access to controlled substances.
What are the risk factors for digital addiction?
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Having a family history of addiction.
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Experiencing mental health problems, such as depression or anxiety.
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Having a low self-esteem.
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Being a young adult.
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All of the above.
E
Correct answer
Explanation
The risk factors for digital addiction include having a family history of addiction, experiencing mental health problems, such as depression or anxiety, having a low self-esteem, being a young adult, and having easy access to digital devices and services.
What are the risk factors for mental health problems?
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Having a family history of mental illness.
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Experiencing stressful life events, such as trauma or abuse.
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Having a physical illness.
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Using drugs or alcohol.
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All of the above.
E
Correct answer
Explanation
The risk factors for mental health problems include having a family history of mental illness, experiencing stressful life events, such as trauma or abuse, having a physical illness, using drugs or alcohol, and having a personality disorder.
Which of the following is a chronic disease that can lead to heart disease, stroke, and kidney failure?
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Asthma
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Diabetes
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Cancer
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Arthritis
B
Correct answer
Explanation
Diabetes is a chronic disease that affects how your body turns food into energy. There are two main types of diabetes: type 1 and type 2. Type 1 diabetes is an autoimmune disease in which your body's immune system attacks and destroys the cells in your pancreas that make insulin. Type 2 diabetes is a condition in which your body doesn't make enough insulin or doesn't use insulin well.
Which of the following is a chronic disease that affects the joints and can cause pain, stiffness, and swelling?
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Asthma
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Diabetes
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Cancer
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Arthritis
D
Correct answer
Explanation
Arthritis is a chronic disease that affects the joints. There are many different types of arthritis, but the most common are osteoarthritis and rheumatoid arthritis. Osteoarthritis is a degenerative disease that occurs when the cartilage that cushions the ends of your bones wears down over time. Rheumatoid arthritis is an autoimmune disease in which your body's immune system attacks the lining of your joints.