Free Health and Nutrition MCQs with Answers

• A. Body composition
• B. Climatic conditions
• C. Prior exercise
• D. All of the aboveBook Fitness Classes

Explanation: Resting energy expenditure varies with body composition, environmental temperature, and the after-effects of recent exercise.

• A. 4, 9, 4
• B. 9, 7, 4
• C. 4, 7, 4
• D. 9, 4, 4

Explanation: Carbohydrate and protein each provide about 4 Calories per gram, whereas fat provides about 9 Calories.

• A. Breakfast cereals
• B. Non-diet soft drinks
• C. Fast-food chicken breasts
• D. Hot dogs

Explanation: Regular consumption of non-diet soft drinks adds substantial sugar and Calories without much satiety, making it strongly associated with…

• A. Below 3%.
• B. 20% to 30%.
• C. 5% to 15%.
• D. Above 35%.

Explanation: Male athletes commonly have a relatively low but healthy body-fat range of about 5% to 15%, depending on the sport and individual.

• A. Diabetes
• B. Anemia
• C. Rickets
• D. Bari Bari

Explanation: Insulin helps body cells take up and use glucose; reduced insulin secretion leaves glucose in the blood and produces diabetes mellitus.

• A. Bone deformity
• B. Anemia
• C. Irregular heart beat
• D. Tooth decay

Explanation: Iron is needed to make haemoglobin, so iron deficiency reduces oxygen-carrying capacity and commonly causes iron-deficiency anemia.

• A. Heart filter
• B. Kidney filter
• C. Blood to clot
• D. Stomach to digest

Explanation: Hemophilia is an inherited clotting disorder in which deficient clotting factors make bleeding difficult to stop.

• A. Insulin
• B. Thyroxin
• C. Streptomycin
• D. Smallpox

Explanation: Smallpox is caused by the variola virus. Thyroxin and insulin are hormones, while streptomycin is an antibiotic, so they are not viral…

• A. Cholera
• B. Influenza
• C. Amebiasis
• D. Typhoid

Explanation: Influenza spreads mainly through respiratory droplets and aerosols, not contaminated water.

• A. Sickle cell anemia
• B. AIDS
• C. Diabetes mellitus
• D. Hemphilis

Explanation: Diabetes mellitus involves impaired insulin production or action, preventing glucose from being used and regulated normally in the body.

• A. Glycogen
• B. Potassium
• C. Calcium
• D. Sodium chloride

Explanation: Heavy sweating chiefly reduces body water and electrolytes, especially sodium and chloride, which together form sodium chloride.

• A. Water-borne disease
• B. Infection disease
• C. Air-borne
• D. None

Explanation: Typhoid and cholera commonly spread through food or drinking water contaminated with infected faeces, so they are classed as water-borne…

• A. Circulation
• B. Digestion
• C. Immune
• D. Brain

Explanation: HIV primarily attacks CD4 cells, which coordinate the body's immune defenses.

• A. Cardiovascular
• B. Respiratory
• C. Immune
• D. Reproductive

Explanation: The immune system is the primary system attacked by HIV because the virus targets CD4 immune cells.

• A. Adedesaegypteis
• B. Brainohils
• C. Anopheles
• D. None of the se

Explanation: Dengue is mainly transmitted by the female Aedes aegypti mosquito, which requires blood for egg production.

• A. Increasing stress
• B. Aerobic exercise
• C. Smoking cessation
• D. Vegetarian diet

Explanation: Aerobic exercise, stopping smoking, and a suitable vegetarian diet can reduce chronic-disease risk.

• A. Potassium
• B. Sodium
• C. Carbohydrate
• D. Vitamins

Explanation: A dilute carbohydrate drink can speed intestinal absorption of fluid and provide a small amount of usable energy, supporting rehydration…

• A. Final 10 minutes
• B. Final 20 minutes
• C. Final 14 minutes
• D. Final 15 minutes

Explanation: Consuming a carbohydrate drink during the final 15 minutes before exercise can provide rapidly available glucose without requiring a large…

• A. Hair.
• B. Foot-strike destruction of red blood cells.
• C. Iron loss during menstruation.
• D. Sweat.

Explanation: Female athletes may lose iron through menstruation, sweat, and exercise-related breakdown of red blood cells caused by repeated foot…

• A. Alcohol
• B. Water
• C. Soft drink
• D. Beverage

Explanation: Water can be consumed before exercise to support hydration and help regulate body temperature.