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
-
polycyclic aromatic hydrocarbons
-
non-volatile nitrosamines
-
alkaloid nicotine
-
volatile nitrosamines
C
Correct answer
Explanation
Nicotine is the main stimulant which causes addiction to tobacco.
-
changes in liver
-
changes in brain
-
changes in taste buds
-
changes in stomach
B
Correct answer
Explanation
Drugs change the brain in ways that foster compulsive drug abuse. This leads to addiction.
-
Vasomotion
-
Arteriosclerosis
-
Systolic pressure of 120 mm of hg
-
High level of HDL
-
Vasodilation
B
Correct answer
Explanation
Arteriosclerosis can cause heart attack.
-
myopia
-
kidney failure
-
cardiac failure
-
hemophilia
D
Correct answer
Explanation
Hemophilia is a genetic disorder caused by X-linked recessive gene deficiency, not organ malfunction. Myopia is refractive error, kidney failure and cardiac failure involve organ malfunction.
-
Genetic disorders
-
Hormonal disorders
-
Inadequate diet
-
Malfunctioning of body organs
-
Hypertension
-
Obesity
-
AIDS
-
All of the above
A
Correct answer
Explanation
Chronic stress activates the sympathetic nervous system and HPA axis, leading to sustained elevation of cortisol and adrenaline. This prolonged activation increases heart rate, blood pressure, and vascular resistance, directly contributing to hypertension. While stress can influence eating behaviors that may lead to obesity, hypertension is the most direct physiological consequence. AIDS is caused by HIV infection, not stress.
-
if statements A alone is adequate to arrive at the conclusion.
-
if statement B alone is adequate to arrive at the conclusion.
-
if both statements A and B are required to arrive at the conclusion.
-
if both statements are insufficient to draw the conclusion.
A
Correct answer
Explanation
Failure of the vital organ before death gives us the clue.
-
Jaundice
-
High blood pressure
-
AIDS
-
Cancer
-
Anorexia nervosa
B
Correct answer
Explanation
High blood pressure is a common disorder in which blood pressure remains abnormally high. An obese person generally suffers from this disease.
-
has to detoxify the alcohol
-
stores excess of glycogen
-
is over stimulated to secrete biles
-
accumulates excess of fats
A
Correct answer
Explanation
Correct Answer: has to detoxify the alcohol
-
Alzheimer's disease
-
Diabetes
-
Thalassemia
-
Osteoporosis
-
Arteriosclerosis
C
Correct answer
Explanation
It is an inherited blood disorder. In a degenerative disease, the function or structure of the affected tissues or organs progressively deteriorates over time, whether due to normal bodily wear or lifestyle choices such as exercise or eating habits.
-
obesity
-
atherosclerosis
-
hyperlipidemia
-
all of the above
D
Correct answer
Explanation
Increased consumption of fats can lead to obesity, hyperlipidaemia and artherosclerosis.
-
Botulsim
-
Cretinism
-
Silicosis
-
Asbestosis
C
Correct answer
Explanation
Cutting and grinding stones exposes workers to silica dust, inhalation of which leads to pulmonary fibrosis known as silicosis. Asbestosis is caused by asbestos fibers, while botulism is a foodborne toxin and cretinism is a thyroid disorder.
-
Lung cancer
-
Liver disorder
-
Knock knee syndrome
-
Cardiomyopathy
C
Correct answer
Explanation
Excess fluoride in drinking water leads to fluorosis, which adversely affects bones and joints. A classic manifestation of skeletal fluorosis is genu valgum, commonly referred to as knock knee syndrome.
-
High blood pressure
-
Other infections
-
Physical trauma
-
Inability to diagnose the disease
B
Correct answer
Explanation
AIDS stands for Acquired Immuno Deficiency Syndrome. It is a disease in which a person’s immune system becomes weak and is unable to fight infections. Hence, the concerned person finally dies due to other infections like common cold, sore throat, flu, etc. At the last stage, the person suffers from physical trauma due to infection and inability to treat it.
-
The lifetime risk of developing it is 10%.
-
It is the most common cause of cancer death in males.
-
Its incidence rate is falling.
-
It regards for approximately 30% of all cancers in men
D
Correct answer
Explanation
It is the correct statement .The lifetime risk of developing prostate cancer is 30%, and it accounts for approximately 30% of all cancers in men.