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

Which of the following is a common cause of anemia in children?

  1. Iron deficiency

  2. Vitamin B12 deficiency

  3. Folate deficiency

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

Iron deficiency, vitamin B12 deficiency, and folate deficiency are all common causes of anemia in children.

Multiple choice

Which of the following is NOT a type of malnutrition?

  1. Undernutrition

  2. Overnutrition

  3. Hidden hunger

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

Stunted growth is not a type of malnutrition, but rather a consequence of malnutrition.

Multiple choice

Which type of clinical trial design is commonly used for evaluating rare disease treatments?

  1. Randomized controlled trial (RCT)

  2. Open-label trial

  3. Single-arm trial

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

Single-arm trials are often used in rare disease research due to the limited number of patients available for participation.

Multiple choice

What is the most common cause of lactose intolerance in children?

  1. A deficiency of the enzyme lactase

  2. An allergy to milk

  3. Constipation

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

Lactose intolerance is caused by a deficiency of the enzyme lactase, which is responsible for breaking down lactose, a sugar found in milk and other dairy products.

Multiple choice

What are some of the most common types of food allergies and intolerances?

  1. Dairy

  2. Eggs

  3. Gluten

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

Some of the most common types of food allergies and intolerances include dairy, eggs, gluten, and soy.

Multiple choice

What is the primary concern for vegetarian athletes?

  1. Iron deficiency

  2. Protein deficiency

  3. Vitamin B12 deficiency

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

Vitamin B12 is found exclusively in animal products, so vegetarian athletes need to be mindful of their intake to avoid deficiency.

Multiple choice

What is the primary dietary cause of iron deficiency anemia?

  1. Lack of iron in the diet

  2. Poor absorption of iron

  3. Increased blood loss

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

Iron deficiency anemia can be caused by a combination of factors, including lack of iron in the diet, poor absorption of iron, and increased blood loss.

Multiple choice

Which systemic disease is associated with the development of angular cheilitis?

  1. Iron Deficiency Anemia

  2. Vitamin B12 Deficiency

  3. Riboflavin Deficiency

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

Angular cheilitis, characterized by inflammation and cracking at the corners of the mouth, can be a manifestation of iron deficiency anemia.

Multiple choice

Which autoimmune disease primarily affects the connective tissues of the body?

  1. Systemic lupus erythematosus (SLE)

  2. Rheumatoid arthritis

  3. Sjogren's syndrome

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

Systemic lupus erythematosus (SLE) is an autoimmune disease that affects various organs and tissues, including the connective tissues, causing inflammation and damage.

Multiple choice

Which type of arthritis is characterized by the formation of uric acid crystals in the joints?

  1. Gout

  2. Rheumatoid arthritis

  3. Osteoarthritis

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

Gout is a form of arthritis caused by the buildup of uric acid crystals in the joints, leading to sudden and severe pain, swelling, and redness.

Multiple choice

Which of the following is a common metabolic disorder in animals?

  1. Diabetes mellitus

  2. Ketosis

  3. Hypothyroidism

  4. Cushing's syndrome
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Diabetes mellitus is a common metabolic disorder in animals.

Multiple choice

What is the term used to describe a person with an intellectual disability?

  1. Mentally retarded

  2. Cognitively impaired

  3. Intellectually challenged

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

The term "intellectually challenged" is the most appropriate and respectful way to refer to a person with an intellectual disability.

Multiple choice

What is the primary cause of osteoporosis in postmenopausal women?

  1. Decreased estrogen levels

  2. Aging

  3. Calcium deficiency

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

After menopause, women experience a significant decrease in estrogen levels, which can lead to rapid bone loss.

Multiple choice

What is the term for a condition in which bones become abnormally weak and brittle?

  1. Osteopenia

  2. Osteoporosis

  3. Osteomalacia

  4. Paget's disease of bone
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Osteoporosis is a condition characterized by abnormally weak and brittle bones.

Multiple choice

What is the primary cause of osteoporosis, a condition that weakens bones and increases the risk of fractures?

  1. Vitamin D deficiency

  2. Calcium deficiency

  3. Estrogen deficiency

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

Estrogen deficiency, particularly after menopause, is the primary cause of osteoporosis in women.