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

Osteoporosis is the disease due to deficiency of

  1. vitamin A

  2. vitamin B

  3. vitamin C

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

Osteoporosis is the thinning of bone tissue and loss of bone density over time. Osteoporosis is the most common type of bone disease. Osteoporosis is the disease due to deficiency of vitamin D. 

Multiple choice

Night blindness is caused by lack of which vitamin?

  1. Vitamin A

  2. Vitamin B

  3. Vitamin C

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

Vitamin A deficiency is a lack of vitamin A in humans. It is common in developing countries but rarely seen in developed countries. Night blindness is one of the first signs of vitamin A deficiency. 

Multiple choice

Anju is suffering from a deficiency disease being caused by decreased intake of niacin or tryptophan in the diet. She must be suffering from

  1. dry beriberi

  2. wet beriberi

  3. infantile beriberi

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

Pellagra is a vitamin deficiency disease most frequently caused by a chronic lack of niacin (vitamin B3) in the diet. It can be caused by decreased intake of niacin or tryptophan and possibly by excessive intake of leucine.

Multiple choice

Kwashiorkor cases occur in areas of famine or poor food supply. Which of the following statements regarding the Kwashiorkor is INCORRECT?

  1. Kwashiorkor is a form of severe protein–energy malnutrition in children.

  2. Children with kwashiorkor are more susceptible to diphtheria and typhoid.

  3. In Kwashiorkor the osmotic balances in the digestive tract gets disturbed.

  4. Extreme fluid retention is observed in individuals suffering from kwashiorkor.

  5. In Kwashiorkor patents the protein should be supplied only for catabolic purposes.

Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Protein should be supplied only for anabolic purposes. The catabolic needs should be satisfied with carbohydrate and fat. Protein catabolism involves the urea cycle, which is located in the liver and can easily overwhelm the capacity of an already damaged organ.

Multiple choice

Which of the following statements about gastric parietal cell antibodies [GPC] is true?

  1. GPC are found more frequently in gastric juice than in serum.

  2. GPC are diagnostic of pernicious anaemia.

  3. They are considered best in screening test for pernicious anaemia.

  4. They inhibit absorption of vitamin B12 in the ileum.

  5. They are usually of IgM isotype.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

As they are not specific for pernicious anaemia, GPC must be interpreted in conjunction with low serum vitamin B12 level.

Multiple choice

Which of the following is correctly matched?

  1. Rickets Vit. D

  2. Night blindness Vit. C

  3. Scurvy Vit. E

  4. Loss of appetite Vit. K

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Rickets (bone deformities in children) and osteomalacia (soft bones and joint pain in adults) is caused due to deficiency of vit D.

Multiple choice

Which of the following is not the symptom of a deficiency disease; Kwashiorkor?

  1. The abdomen and other body parts are swollen.

  2. Skin becomes scaly and develops cracks.

  3. Reduction in growth and development of brain.

  4. Ribs become prominent.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Yes, it is the correct answer. Ribs become prominent when the person is suffering from Marasmus. It is caused due to lack of protein and carbohydrate in diet.

Multiple choice

Osteomalacia is a _____caused by ______.

  1. disorder; behaviour problem

  2. deficiency disease; lack of vitamin D

  3. deficiency disease; lack of vitamin C

  4. disease; mosquito bite
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Yes, it is the correct answer. Here the body gets deficient in Vitamin D and the back bone especially gets weak.

Multiple choice

A large number of adolescent girls suffer from

  1. Exophthalmia

  2. Anemia

  3. Scurvy

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

A large number of adolescent girls suffers from ANEMIA in India due to the onset of menstruation and may continue later during their reproductive life.