Biology

Deficiency Diseases and Disorders

722 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

The Free Radical Theory of aging suggests that:

  1. Aging is caused by the accumulation of free radicals in the body.

  2. Free radicals are produced as a byproduct of metabolism.

  3. Free radicals can damage cells and tissues, leading to aging.

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

The Free Radical Theory proposes that aging is caused by the accumulation of free radicals in the body, which are produced as a byproduct of metabolism and can damage cells and tissues.

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.

Multiple choice

What is the most common cause of pallor in neonates?

  1. Anemia

  2. Jaundice

  3. Sepsis

  4. Congenital heart disease
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Anemia is the most common cause of pallor in neonates, accounting for approximately 50% of cases.

Multiple choice

What are the causes of anemia in neonates?

  1. Iron deficiency

  2. Vitamin B12 deficiency

  3. Folic acid deficiency

  4. Prematurity

  5. Multiple gestations

  6. All of the above
Reveal answer Fill a bubble to check yourself
F Correct answer
Explanation

The causes of anemia in neonates include iron deficiency, vitamin B12 deficiency, folic acid deficiency, prematurity, multiple gestations, and other factors.

Multiple choice

What are the causes of jaundice in neonates?

  1. Physiological jaundice

  2. Breastmilk jaundice

  3. Pathological jaundice

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

The causes of jaundice in neonates include physiological jaundice, breastmilk jaundice, and pathological jaundice.

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, leading to symptoms such as weakness, fatigue, and bleeding gums.

Multiple choice

What is the term for the condition in which a person does not have enough food to meet their basic nutritional needs?

  1. Food insecurity

  2. Hunger

  3. Malnutrition

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

Hunger is the term used to describe the condition in which a person does not have enough food to meet their basic nutritional needs.

Multiple choice

What is the term for the condition in which a person does not have enough nutrients to maintain good health?

  1. Food insecurity

  2. Hunger

  3. Malnutrition

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

Malnutrition is the term used to describe the condition in which a person does not have enough nutrients to maintain good health.

Multiple choice

What is the primary factor contributing to the high rate of anemia among pregnant women in India?

  1. Iron deficiency

  2. Malnutrition

  3. Poor sanitation

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

The high rate of anemia among pregnant women in India is attributed to a combination of factors, including iron deficiency, malnutrition, and poor sanitation.