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 leading cause of male infertility?
-
Varicocele
-
Erectile dysfunction
-
Premature ejaculation
-
Low sperm count
D
Correct answer
Explanation
Low sperm count, also known as oligospermia, is the most common cause of male infertility, affecting approximately 10% of men worldwide.
Which of the following is a common cause of miscarriage?
-
Chromosomal abnormalities
-
Uterine abnormalities
-
Hormonal imbalances
-
All of the above
D
Correct answer
Explanation
Chromosomal abnormalities, uterine abnormalities, and hormonal imbalances are all common causes of miscarriage, which is the loss of a pregnancy before 20 weeks of gestation.
In epidemiology, what is the basic reproduction number denoted by?
A
Correct answer
Explanation
$R_0$ represents the basic reproduction number in epidemiology, which is the average number of secondary infections caused by a single infected individual in a completely susceptible population.
What are some of the factors that can cause mutations?
-
Environmental toxins, radiation, and errors during DNA replication
-
Diet, exercise, and stress
-
Smoking, drinking alcohol, and drug use
-
All of the above
A
Correct answer
Explanation
Environmental toxins, radiation, and errors during DNA replication are all factors that can cause mutations. Diet, exercise, and stress do not cause mutations. Smoking, drinking alcohol, and drug use can all increase the risk of cancer, but they do not directly cause mutations.
Which of the following is NOT a common physical health condition associated with intellectual disabilities?
-
Obesity
-
Diabetes
-
Hypertension
-
Cancer
D
Correct answer
Explanation
Cancer is not a common physical health condition associated with intellectual disabilities.
What is the leading cause of death among individuals with intellectual disabilities?
-
Heart disease
-
Stroke
-
Cancer
-
Respiratory disease
A
Correct answer
Explanation
Heart disease is the leading cause of death among individuals with intellectual disabilities.
Which of the following is NOT a risk factor for physical health problems in individuals with intellectual disabilities?
-
Age
-
Gender
-
Socioeconomic status
-
Intellectual disability severity
B
Correct answer
Explanation
Gender is not a risk factor for physical health problems in individuals with intellectual disabilities.
What is the primary cause of noise-induced hearing loss?
-
Exposure to loud sounds over a short period
-
Exposure to loud sounds over a long period
-
Aging
-
Genetic factors
B
Correct answer
Explanation
Noise-induced hearing loss is primarily caused by prolonged exposure to loud sounds, which can damage the delicate structures of the inner ear.
Which of the following is a common risk factor for juvenile delinquency?
-
Poverty
-
Family instability
-
Peer pressure
-
All of the above
D
Correct answer
Explanation
Poverty, family instability, and peer pressure are all common risk factors for juvenile delinquency.
Which of the following factors can contribute to sleep problems in older adults?
-
Medical conditions
-
Medications
-
Lifestyle choices
-
All of the above
D
Correct answer
Explanation
Medical conditions, medications, and lifestyle choices can all contribute to sleep problems in older adults.
What is the most common cause of restless legs syndrome?
-
Iron deficiency
-
Kidney disease
-
Diabetes
-
Parkinson's disease
A
Correct answer
Explanation
Iron deficiency is the most common cause of restless legs syndrome.
What is the leading cause of death in TBI?
-
Primary brain injury
-
Secondary brain injury
-
Complications of TBI
-
All of the above
B
Correct answer
Explanation
Secondary brain injury, which includes complications such as hypoxia, hypotension, and seizures, is the leading cause of death in TBI.
What is the most common cause of conductive hearing loss?
-
earwax buildup
-
otitis media
-
Meniere's disease
A
Correct answer
Explanation
Earwax buildup is the most common cause of conductive hearing loss, which can be easily treated by removing the earwax.
Which of the following is NOT a risk factor for RAD?
-
Institutionalization
-
Parental neglect
-
Genetic predisposition
-
Secure attachment to caregivers
D
Correct answer
Explanation
Secure attachment to caregivers is a protective factor against RAD, not a risk factor.
What is the primary cause of RAD?
-
Genetics
-
Trauma
-
Environmental factors
-
A combination of factors
D
Correct answer
Explanation
RAD is caused by a combination of genetic, traumatic, and environmental factors.