Biology · 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

Multiple choice

What is the most common cause of infertility in men?

  1. Varicocele

  2. Erectile dysfunction

  3. Premature ejaculation

  4. Low sperm count
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Low sperm count is the most common cause of infertility in men, affecting up to 15% of men of reproductive age.

Multiple choice

What is the most common cause of sudden sensorineural hearing loss?

  1. Viral infection

  2. Autoimmune disease

  3. Trauma

  4. Idiopathic
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The most common cause of sudden sensorineural hearing loss is idiopathic, meaning that the cause is unknown.

Multiple choice

Which of the following is a risk factor for developing Ménière's disease?

  1. Age

  2. Gender

  3. Family history

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Ménière's disease is more common in people over the age of 40, in women, and in those with a family history of the disease.

Multiple choice

What is the most common type of laryngeal cancer?

  1. Squamous cell carcinoma

  2. Adenocarcinoma

  3. Lymphoma

  4. Sarcoma
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Squamous cell carcinoma is the most common type of laryngeal cancer, accounting for approximately 95% of cases.

Multiple choice

What is the most common cause of epistaxis (nosebleed)?

  1. Trauma

  2. Infection

  3. Allergies

  4. Idiopathic
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Trauma is the most common cause of epistaxis, accounting for approximately 60% of cases.

Multiple choice

What is the most common type of thyroid cancer?

  1. Papillary thyroid cancer

  2. Follicular thyroid cancer

  3. Medullary thyroid cancer

  4. Anaplastic thyroid cancer
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Papillary thyroid cancer is the most common type of thyroid cancer, accounting for approximately 80% of cases.

Multiple choice

What is the most common cause of hoarseness?

  1. Laryngitis

  2. Vocal cord nodules

  3. Vocal cord polyps

  4. Laryngeal cancer
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Laryngitis is the most common cause of hoarseness, accounting for approximately 90% of cases.

Multiple choice

What is the most common cause of tinnitus?

  1. Noise exposure

  2. Earwax impaction

  3. Ménière's disease

  4. Acoustic neuroma
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Noise exposure is the most common cause of tinnitus, accounting for approximately 90% of cases.

Multiple choice

Which of the following is a risk factor for suicide?

  1. A history of mental illness

  2. Substance abuse

  3. A family history of suicide

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

All of the options listed are risk factors for suicide. A history of mental illness, substance abuse, and a family history of suicide can all increase the likelihood of someone attempting suicide.

Multiple choice

Which of the following is the most common cause of death in the world?

  1. Heart disease

  2. Cancer

  3. Stroke

  4. HIV/AIDS
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Heart disease is the leading cause of death in the world, accounting for an estimated 17.9 million deaths in 2019.

Multiple choice

Which of the following is a common risk factor for substance abuse?

  1. Parental substance abuse

  2. Peer pressure

  3. Mental health disorders

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Parental substance abuse, peer pressure, and mental health disorders are all common risk factors for substance abuse.

Multiple choice

Which of the following is a common consequence of substance abuse?

  1. Health problems

  2. Legal problems

  3. Financial problems

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Substance abuse can lead to a variety of health problems, legal problems, and financial problems.

Multiple choice

Which of the following is a common risk factor for relapse?

  1. Stress

  2. Triggers

  3. Mental health disorders

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Stress, triggers, and mental health disorders are all common risk factors for relapse.

Multiple choice

What are the normal levels of triglycerides in the blood?

  1. Less than 150 mg/dL

  2. 150-199 mg/dL

  3. 200-499 mg/dL

  4. 500 mg/dL or higher
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The normal levels of triglycerides in the blood are less than 150 mg/dL. Triglyceride levels between 150 and 199 mg/dL are considered borderline high, while levels of 200 mg/dL or higher are considered high.

Multiple choice

What are the risk factors for high triglycerides?

  1. Obesity

  2. Diabetes

  3. Physical inactivity

  4. Smoking

  5. Alcohol abuse

  6. Certain medications

  7. Genetics
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

The risk factors for high triglycerides include obesity, diabetes, physical inactivity, smoking, alcohol abuse, certain medications, and genetics.