Biology · 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

Multiple choice

The commonest cancer in Indian population is that of

  1. mouth

  2. breasts

  3. lungs

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

Oral cancer, particularly cancer of the mouth, is the most common form of cancer in India, largely attributed to the widespread use of tobacco products like gutkha and pan masala.

Multiple choice

Which of the following statements is FALSE?

  1. Carcinoma refers to benign tumours of the connective tissue.

  2. Common cold is not cured by antibiotics because it is a viral disease.

  3. Alzheimer disease in humans is associated with the deficiency of acetylcholine.

  4. Cirrhosis of liver is caused by the chronic intake of alcohol.

  5. Parkinson’s disease is caused due to degeneration of dopamine releasing neurons.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Carcinoma refers to malignant tumours of the skin or mucous membrane.

Multiple choice

What is/are the cause(s) of arthritis?

  1. Lack of synovial fluid in the joint

  2. Ossification of articulating cartilage

  3. Deposition of uric acid crystals in the joint

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

Arthritis may result due to the lack of synovial fluid in the joint or due to ossification of articulating cartilages or due to deposition of uric acid crystals in the joint.

Multiple choice

The disease caused by intrinsic factors is known as

  1. organic diseases

  2. metabolic diseases

  3. both 1 and 2

  4. None of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Diseases caused by internal factors (like genetics or metabolism) are often classified as organic or metabolic diseases.

Multiple choice

Diseases caused by intrinsic factors are

  1. cataract

  2. diabetes

  3. dwarfism

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

Cataract, diabetes, and dwarfism are all conditions that can arise from internal/intrinsic factors.

Multiple choice

Important intrinsic factors are

  1. genetic disorder

  2. hormonal imbalances

  3. allergy

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

Intrinsic factors are internal causes of disease originating within the body. Genetic disorders, hormonal imbalances, and allergies are all internal physiological or biological issues.

Multiple choice

Non-infectious diseases can be caused from

  1. lack of balanced food.

  2. degeneration of tissue.

  3. cancer.

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

Non-infectious diseases are not caused by pathogens. They can result from nutritional deficiencies, tissue degeneration, or chronic conditions like cancer.

Multiple choice

Jaundice is caused when the ________ is affected.

  1. brain

  2. eye

  3. liver

  4. intestine
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Jaundice is a condition characterized by the yellowing of the skin and eyes, caused by an accumulation of bilirubin. This occurs when the liver is unable to properly process or excrete bilirubin.

Multiple choice

Most diseases will have _______ causes.

  1. single

  2. many

  3. Both 1 and 2

  4. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Most diseases have multiple causes, including immediate causes (like a pathogen) and contributory causes (like poor nutrition or environmental factors).

Multiple choice

Which of the following conditions acts as a risk factor for coronary heart disease?

  1. High level of c-reactive protein

  2. High level of homocysteine in the blood

  3. Low level of glycated hemoglobin in the blood

  4. Presence of high density lipoproteins in the blood
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A high level of homocysteine in the blood makes a person more susceptible to endothelial cell injury which may progress to inflammation in the blood vessels, atherogenesis and to ischemic injury. Hyperhomocysteinemia (high level of homocysteine in the blood) is a possible risk factor for coronary artery disease.