Unit IV: Public Health

Sanitation refers to practices aimed at preventing diseases and maintenance of health through cleanliness and healthy living.

• True

• False

Answer explanation

This statement refers to hygiene. Sanitation pertains to the hygienic practice of waste disposal and keeping the environment within hygienic standards.

What are the seven major classes of nutrients?

• Carbohydrates, fats, fiber, minerals, protein, vitamins, and water.

• Carbohydrates, fats, minerals, protein, vitamins, and antioxidants.

• Carbohydrates, fiber, minerals, protein, vitamins, phytochemicals, and water.

• Carbohydrates, fiber, minerals, protein, vitamins, antioxidants, and water.

Macronutrients are needed in relatively small amounts compared to micronutrients

• True

• False

Which of the following does not provide energy?

• Carbohydrates

• Fats

• Vitamins

• Proteins

Answer explanation

Vitamins, minerals, fiber, and water do not provide energy, but are necessary for other reasons.

All foods contain a mix of all seven major classes of nutrients.

• True

• False

Answer explanation

Although most foods contain a mix of some or all of the nutrient classes, not all foods contain all seven major classes of nutrients. For example, fruits contain primarily carbohydrates, fiber, and some vitamins, but are low in protein and fats.

Lack of knowledge on the nutritional values of food is a cause of malnutrition.

• True

• False

Answer explanation

Without proper knowledge on the nutritional values of food, one may not be able to select and consume a balanced diet, which can lead to malnutrition.

Which of the following is a symptom of tuberculosis?

• Rash

• Diarrhea

• Chest pain

• Headache

Answer explanation

Tuberculosis is a bacterial infection that usually affects the lungs and can cause chest pain, along with other symptoms such as cough, fever, and weight loss.

Breastfeeding must begin immediately after the child is weaned

• True

• False

Answer explanation

Breastfeeding should begin immediately after the child is born, not weaned.

Which of the following diseases can be transmitted through contaminated water and food?

• Chickenpox

• Sore Eyes

• Cholera

• Tuberculosis

Answer explanation

Cholera is a disease that is caused by germs taken into the body through contaminated water and food.

Prolonged diarrhea lasting more than 2 days is not a cause for concern.

• True

• False

Answer explanation

Pronged diarrhea lasting more than 2 days can be a sign of a more serious problem and may pose the risk of dehydration, which can be dangerous in children and older people.