What are the 2 main hormones produced by the thyroid gland?
a) Insulin
b) T3 / T4
c) ACTH
B) T3 / T4
What is the most common cause of hypothyroidism?
A) Graves’ disease
B) Hashimoto’s thyroiditis
C) Diabetes mellitus
B) Hashimoto’s thyroiditis
Which symptom is common in hypothyroidism?
A) Fatigue
B) Hyperactivity
C) Excess sweating
A) Fatigue
Which hormone stimulates the thyroid gland?
A) TSH
B) T4
C) TRH
A) TSH
A lack of which mineral can cause hypothyroidism?
A) Iron
B) Calcium
C) Iodine
C) Iodine
People with hypothyroidism often experience:
A) Heat intolerance
B) Cold intolerance
C) Increased appetite without weight gain
B) Cold intolerance
Which gland releases TSH?
A) Thyroid gland
B) Hypothalamus
C) Pituitary gland
C) Pituitary gland
Which medication may contribute to hypothyroidism?
A) Amiodarone
B) Paracetamol
C) Ibuprofen
A) Amiodarone
What is the main screening test for hypothyroidism?
A) TSH
B) Glucose
C) Hemoglobin
A) TSH
Which structure releases TRH?
A) Hypothalamus
B) Thyroid gland
C) Adrenal gland
A) Hypothalamus
Who has a higher risk of developing hypothyroidism?
A) Men
B) Women
C) Children only
B) Women
Which test confirms the degree of thyroid hormone deficiency?
A) Troponin
B) Free T4
C) Creatinine
B) Free T4
What is the correct sequence of hormone regulation?
A) Thyroid → Hypothalamus → Pituitary
B) Hypothalamus → Pituitary → Thyroid
C) Pituitary → Thyroid → Hypothalamus
B) Hypothalamus → Pituitary → Thyroid
Which of the following is NOT a risk factor for hypothyroidism?
A) Family history
B) Autoimmune disease
C) Regular exercise
C) Regular exercise
Which laboratory finding suggests primary hypothyroidism?
A) Low TSH and high T4
B) High TSH and low Free T4
C) High TSH and high T4
B) High TSH and low Free T4