Biology

Deficiency Diseases and Disorders

706 Questions

Deficiency diseases and disorders are caused by a lack of essential nutrients, vitamins, and minerals in the diet or environment. This includes conditions like anemia, goitre, and night blindness. Practice these questions to prepare for general science exams.

Vitamin deficiency symptomsMineral deficiency disordersMalnutrition conceptsHormonal and specific diseases

Deficiency Diseases and Disorders Questions

Multiple choice

What is malnutrition?

  1. A condition that results from a lack of essential nutrients.

  2. A condition that results from an excess of essential nutrients.

  3. A condition that results from an imbalance of essential nutrients.

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

Malnutrition is a condition that results from a lack of essential nutrients, such as proteins, carbohydrates, fats, vitamins, and minerals.

Multiple choice

What are the different types of malnutrition?

  1. Undernutrition

  2. Overnutrition

  3. Hidden hunger

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

There are three main types of malnutrition: undernutrition, overnutrition, and hidden hunger.

Multiple choice

What is undernutrition?

  1. A condition that results from a lack of essential nutrients.

  2. A condition that results from an excess of essential nutrients.

  3. A condition that results from an imbalance of essential nutrients.

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

Undernutrition is a condition that results from a lack of essential nutrients, such as proteins, carbohydrates, fats, vitamins, and minerals.

Multiple choice

What is overnutrition?

  1. A condition that results from a lack of essential nutrients.

  2. A condition that results from an excess of essential nutrients.

  3. A condition that results from an imbalance of essential nutrients.

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

Overnutrition is a condition that results from an excess of essential nutrients, such as proteins, carbohydrates, fats, vitamins, and minerals.

Multiple choice

What are the consequences of malnutrition?

  1. Increased risk of disease

  2. Stunted growth and development

  3. Reduced cognitive function

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

Malnutrition can have a number of negative consequences, including increased risk of disease, stunted growth and development, and reduced cognitive function.

Multiple choice

What is a potential risk associated with following a very low-carb diet?

  1. Increased risk of kidney stones

  2. Nutrient deficiencies

  3. Dehydration

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

Following a very low-carb diet, especially without proper guidance and monitoring, can increase the risk of kidney stones, nutrient deficiencies, dehydration, and other potential health concerns.

Multiple choice

Which vitamin deficiency is commonly associated with night blindness?

  1. Vitamin A

  2. Vitamin B12

  3. Vitamin C

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

Vitamin A deficiency is the most common cause of night blindness. Vitamin A is essential for the production of rhodopsin, a pigment in the retina responsible for low-light vision.

Multiple choice

Which of the following is a potential cause of night blindness in children?

  1. Vitamin A deficiency

  2. Measles

  3. Mumps

  4. Rubella
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Measles is a potential cause of night blindness in children.

Multiple choice

What is the primary mechanism by which multiple sclerosis affects bone health?

  1. Impaired calcium absorption

  2. Reduced physical activity

  3. Vitamin D deficiency

  4. Hormonal imbalances
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Reduced physical activity, a common consequence of multiple sclerosis, is the primary factor contributing to impaired bone health in affected individuals.

Multiple choice

Which of the following is NOT a nutritional deficiency that can negatively impact educational attainment?

  1. Vitamin A deficiency

  2. Iodine deficiency

  3. Zinc deficiency

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

Iron deficiency is not typically associated with negative impacts on educational attainment. In fact, some studies have shown that iron-deficient children may have better cognitive function than their non-iron-deficient peers.

Multiple choice

Which of the following is a common nutritional deficiency among older adults?

  1. Vitamin D

  2. Calcium

  3. Iron

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

Vitamin D deficiency is common among older adults due to reduced sun exposure and decreased ability to absorb vitamin D from food.

Multiple choice

Which of the following is a common nutrient deficiency in toddlers?

  1. Iron deficiency

  2. Vitamin D deficiency

  3. Calcium deficiency

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

Iron deficiency, vitamin D deficiency, and calcium deficiency are all common nutrient deficiencies in toddlers. These deficiencies can lead to health problems such as anemia, rickets, and osteoporosis.

Multiple choice

Which disease is caused by a deficiency of vitamin C?

  1. Scurvy

  2. Rickets

  3. Pellagra

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

Scurvy is a disease caused by a deficiency of vitamin C, which is essential for the production of collagen, a protein that helps maintain the strength and integrity of connective tissues.

Multiple choice

What is the primary cause of hyperparathyroidism in children?

  1. Genetic mutations

  2. Vitamin D deficiency

  3. Renal failure

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

Hyperparathyroidism in children can be caused by genetic mutations, vitamin D deficiency, renal failure, or a combination of these factors.

Multiple choice

Which nutrient deficiency is associated with an increased risk of neural tube defects in newborns?

  1. Iron

  2. Calcium

  3. Vitamin B12

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

Folic acid deficiency during pregnancy is associated with an increased risk of neural tube defects in newborns.