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 leading cause of death among children under the age of 5 worldwide?
-
Malaria
-
Pneumonia
-
Diarrhea
-
Undernutrition
D
Correct answer
Explanation
Undernutrition, a condition resulting from inadequate intake of nutrients, is the leading cause of death among children under the age of 5 worldwide.
What is the leading cause of death globally?
-
Non-communicable diseases
-
Communicable diseases
-
Injuries
-
Maternal and child health conditions
A
Correct answer
Explanation
Non-communicable diseases (NCDs), such as heart disease, stroke, cancer, and diabetes, are the leading cause of death globally, accounting for over 70% of all deaths.
Which of the following is a risk factor for sleepwalking?
-
Family history of sleepwalking
-
Stress and anxiety
-
Sleep deprivation
-
All of the above
D
Correct answer
Explanation
Sleepwalking is more common in individuals with a family history of the condition, as well as those experiencing stress, anxiety, and sleep deprivation.
Which of the following is an example of a confounding variable in forensic epidemiology?
-
Age
-
Gender
-
Smoking status
-
Occupation
C
Correct answer
Explanation
Smoking status is an example of a confounding variable because it can influence the relationship between an exposure and an outcome, such as the development of a disease.
Which cultural factor is associated with an increased risk of cardiovascular disease (CVD) in women?
-
Lack of physical activity
-
Poor diet
-
Smoking
-
All of the above
D
Correct answer
Explanation
Lack of physical activity, poor diet, and smoking are all cultural factors that can contribute to an increased risk of CVD in women.
Which cultural practice is associated with an increased risk of breast cancer in women?
-
Alcohol consumption
-
Obesity
-
Lack of physical activity
-
All of the above
D
Correct answer
Explanation
Alcohol consumption, obesity, and lack of physical activity are all cultural practices that can contribute to an increased risk of breast cancer in women.
According to the Free Radical Theory, what is the primary cause of aging?
-
Mitochondrial Dysfunction
-
Telomere Shortening
-
Oxidative Stress
-
Cellular Senescence
C
Correct answer
Explanation
The Free Radical Theory suggests that aging is caused by the accumulation of free radicals, which are unstable molecules that can damage cells and tissues, leading to various age-related changes.
What is the leading cause of death worldwide?
-
Cardiovascular disease
-
Cancer
-
Respiratory disease
-
HIV/AIDS
A
Correct answer
Explanation
Cardiovascular disease is the leading cause of death worldwide, accounting for an estimated 17.9 million deaths in 2019.
Which patient population is at increased risk of developing endocarditis?
-
Individuals with congenital heart defects
-
Patients with prosthetic heart valves
-
People with weakened immune systems
-
All of the above
D
Correct answer
Explanation
Individuals with congenital heart defects, patients with prosthetic heart valves, and people with weakened immune systems are all at increased risk of developing endocarditis.
What is the most common complication of endocarditis?
-
Heart failure
-
Stroke
-
Kidney failure
-
Sepsis
A
Correct answer
Explanation
Heart failure is the most frequent complication of endocarditis, resulting from damage to the heart valves and impaired heart function.
What is the most common cause of erectile dysfunction (ED)?
-
Diabetes
-
Heart disease
-
Peyronie's disease
-
Prostate cancer
A
Correct answer
Explanation
Diabetes is the most common cause of ED, affecting up to 50% of men with the condition.
Which of the following is NOT a risk factor for ED?
-
Age
-
Obesity
-
Smoking
-
Regular exercise
D
Correct answer
Explanation
Regular exercise is actually associated with a decreased risk of ED.
Which of the following is a potential complication of penile injections for ED?
-
Priapism
-
Infection
-
Scarring
-
All of the above
D
Correct answer
Explanation
Priapism, infection, and scarring are all potential complications of penile injections for ED.
What are some of the health problems that can be caused by chronic stress?
-
Heart disease
-
Stroke
-
Obesity
-
Diabetes
-
All of the above
E
Correct answer
Explanation
Chronic stress can lead to a number of health problems, including heart disease, stroke, obesity, and diabetes.
Which of the following is NOT a health risk associated with chronic stress?
-
Heart disease
-
Stroke
-
Obesity
-
Cancer
-
Diabetes
D
Correct answer
Explanation
Cancer is not a health risk associated with chronic stress.