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
Which of the following is a symptom of vitamin C deficiency?
-
Scurvy
-
Night blindness
-
Beriberi
-
Pellagra
A
Correct answer
Explanation
Scurvy is a disease caused by a deficiency of vitamin C. Symptoms of scurvy include fatigue, weakness, bleeding gums, and impaired wound healing.
Which of the following is a symptom of iodine deficiency?
-
Goiter
-
Cretinism
-
Rickets
-
Pellagra
A
Correct answer
Explanation
Goiter is a swelling of the thyroid gland, which is caused by iodine deficiency. Iodine is essential for the production of thyroid hormones, which regulate metabolism, growth, and development.
What is the primary cause of malnutrition among children in rural India?
-
Lack of access to nutritious food
-
Poor sanitation and hygiene practices
-
Inadequate healthcare facilities
-
All of the above
D
Correct answer
Explanation
Malnutrition among children in rural India is caused by a combination of factors, including lack of access to nutritious food, poor sanitation and hygiene practices, and inadequate healthcare facilities.
Which chronic disease is characterized by the body's inability to produce enough red blood cells?
-
Anemia
-
Leukemia
-
Lymphoma
-
Myeloma
A
Correct answer
Explanation
Anemia is a condition in which the body does not have enough healthy red blood cells.
Which of the following is a common nutritional deficiency observed among tribal communities?
-
Iron deficiency anemia
-
Vitamin A deficiency
-
Iodine deficiency
-
All of the above
D
Correct answer
Explanation
Tribal communities often face multiple nutritional deficiencies due to limited access to diverse and nutritious foods. Iron deficiency anemia, vitamin A deficiency, and iodine deficiency are commonly reported among these communities.
Which of the following is a potential nutritional deficiency associated with excessive consumption of tiger nut milk?
-
Vitamin B12
-
Calcium
-
Protein
-
Iron
A
Correct answer
Explanation
Tiger nut milk is naturally low in vitamin B12, and excessive consumption without supplementation may lead to a vitamin B12 deficiency.
What is the treatment for Stargardt disease?
-
There is no cure
-
Gene therapy
-
Vitamin A supplements
-
Low-vision aids
A
Correct answer
Explanation
Currently, there is no cure for Stargardt disease. Treatment focuses on managing the symptoms and providing low-vision aids to help patients with their daily activities.
-
A condition that results from a lack of essential nutrients.
-
A condition that results from an excess of essential nutrients.
-
A condition that results from an imbalance of essential nutrients.
-
None of the above
A
Correct answer
Explanation
Malnutrition is a condition that results from a lack of essential nutrients, such as proteins, carbohydrates, fats, vitamins, and minerals.
What are the different types of malnutrition?
-
Undernutrition
-
Overnutrition
-
Hidden hunger
-
All of the above
D
Correct answer
Explanation
There are three main types of malnutrition: undernutrition, overnutrition, and hidden hunger.
-
A condition that results from a lack of essential nutrients.
-
A condition that results from an excess of essential nutrients.
-
A condition that results from an imbalance of essential nutrients.
-
None of the above
A
Correct answer
Explanation
Undernutrition is a condition that results from a lack of essential nutrients, such as proteins, carbohydrates, fats, vitamins, and minerals.
-
A condition that results from a lack of essential nutrients.
-
A condition that results from an excess of essential nutrients.
-
A condition that results from an imbalance of essential nutrients.
-
None of the above
B
Correct answer
Explanation
Overnutrition is a condition that results from an excess of essential nutrients, such as proteins, carbohydrates, fats, vitamins, and minerals.
What are the consequences of malnutrition?
-
Increased risk of disease
-
Stunted growth and development
-
Reduced cognitive function
-
All of the above
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.
What is a potential risk associated with following a very low-carb diet?
-
Increased risk of kidney stones
-
Nutrient deficiencies
-
Dehydration
-
All of the above
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.
Which vitamin deficiency is commonly associated with night blindness?
-
Vitamin A
-
Vitamin B12
-
Vitamin C
-
Vitamin D
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.
Which of the following is a potential cause of night blindness in children?
-
Vitamin A deficiency
-
Measles
-
Mumps
-
Rubella
B
Correct answer
Explanation
Measles is a potential cause of night blindness in children.