Biology ยท General Awareness
Diseases and Health Risk Factors
2,629 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 sensorineural hearing loss?
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Noise-induced hearing loss
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Age-related hearing loss
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Genetic factors
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Ototoxic medications
A
Correct answer
Explanation
Noise-induced hearing loss is the most common cause of sensorineural hearing loss, which is damage to the inner ear.
What is the most common cause of conductive hearing loss?
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Otitis media
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Wax buildup
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Perforated eardrum
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Otosclerosis
A
Correct answer
Explanation
Otitis media, or middle ear infection, is the most common cause of conductive hearing loss.
What is the primary cause of periodontal disease?
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Bacteria
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Genetics
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Trauma
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Smoking
A
Correct answer
Explanation
Periodontal disease is primarily caused by bacteria that accumulate on the teeth and gums, forming plaque and tartar.
Which of the following is a risk factor for periodontal disease?
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Poor oral hygiene
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Smoking
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Diabetes
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All of the above
D
Correct answer
Explanation
Poor oral hygiene, smoking, and diabetes are all risk factors for periodontal disease.
Which population group is most susceptible to methemoglobinemia caused by nitrites?
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Infants
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Pregnant women
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Elderly people
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People with heart conditions
A
Correct answer
Explanation
Infants are most susceptible to methemoglobinemia caused by nitrites due to their immature enzyme systems and higher levels of fetal hemoglobin.
What was the primary cause of death in the 19th century?
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Infectious diseases
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Heart disease
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Cancer
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Stroke
A
Correct answer
Explanation
Infectious diseases, such as tuberculosis, cholera, and typhoid, were the leading cause of death in the 19th century.
Which of the following is a common cause of small bowel obstruction in adults?
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Hernia
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Volvulus
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Intussusception
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Meckel's diverticulum
A
Correct answer
Explanation
Hernia, particularly inguinal and femoral hernias, is a frequent cause of small bowel obstruction in adults.
Which of the following is a common cause of acute pancreatitis?
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Gallstones
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Alcohol abuse
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Hypercalcemia
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Viral infection
A
Correct answer
Explanation
Gallstones are the most common cause of acute pancreatitis, accounting for approximately 70-80% of cases.
Which of the following is a common cause of acute diverticulitis?
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Low-fiber diet
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Antibiotic use
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Smoking
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Obesity
A
Correct answer
Explanation
A low-fiber diet is a significant risk factor for acute diverticulitis, as it promotes the formation of diverticula and increases the likelihood of fecal impaction.
What is the primary cause of Temporomandibular Joint Disorder?
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Trauma
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Arthritis
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Muscle overuse
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Stress
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A combination of factors
E
Correct answer
Explanation
Temporomandibular Joint Disorder is usually caused by a combination of factors, including trauma, arthritis, muscle overuse, and stress.
What are the risk factors for developing Temporomandibular Joint Disorder?
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Being female
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Being between the ages of 20 and 40
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Having a history of jaw injury
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Having a family history of Temporomandibular Joint Disorder
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All of the above
E
Correct answer
Explanation
The risk factors for developing Temporomandibular Joint Disorder include being female, being between the ages of 20 and 40, having a history of jaw injury, and having a family history of Temporomandibular Joint Disorder.
What is the primary cause of chronic obstructive pulmonary disease (COPD)?
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Smoking
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Air pollution
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Occupational exposure to dust and chemicals
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Genetics
A
Correct answer
Explanation
Smoking is the primary cause of chronic obstructive pulmonary disease (COPD). It damages the airways and lung tissue, leading to airflow limitation and difficulty breathing.
Which of the following is an example of a lifestyle-related disease?
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Obesity
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Cancer
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Asthma
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Allergies
A
Correct answer
Explanation
Obesity is a lifestyle-related disease primarily caused by unhealthy dietary habits and lack of physical activity. Cancer, asthma, and allergies are not directly related to lifestyle choices.
Which of the following is an example of a chronic disease?
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Obesity
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Cancer
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Asthma
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Allergies
B
Correct answer
Explanation
Cancer is a chronic disease characterized by uncontrolled cell growth and spread. Obesity, asthma, and allergies are not chronic diseases in the same way as cancer.
What is the most common cause of a leaky faucet?
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Worn-out washer
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Damaged O-ring
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Loose packing nut
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Cracked faucet body
A
Correct answer
Explanation
The most common cause of a leaky faucet is a worn-out washer. Washers are small, round discs that create a seal between the faucet stem and the faucet body. Over time, washers can become worn or damaged, causing the faucet to leak.