Thyroxine

Q. Why is the use of iodized salt advisable? [3 MARKS]

Q.

Which of the following is the function of parathormone?

1. Lowers the level of calcium in the blood

2. Lowers the level of glucose in the blood

3. Increases the level of calcium in the blood

4. Increases the level of glucose in the blood

Q.

What is essential for the production of thyroxine hormone by the thyroid gland?

1. Iodine

2. Potassium

3. Sodium

4. Calcium

Q.

Which of the following is not the function of cortisol?

1. Gluconeogenesis

2. Erythropoiesis

3. Immunosuppressant

4. calcium metabolism

Q.

Choose the correct answer from the option given below:

Cretinism and Myxoedema are due to:

1. Hypersecretion of thyroxine

2. Hypersecretion of growth hormone

3. Hyposecretion of thyroxine

4. Hyposecretion of growth hormone

Q.

Which endocrine gland secretes hormones that regulate blood sugar level?

1. Pituitary Gland

2. Adrenal Gland

3. Pancreas

4. Thyroid gland

Q.

Which gland secretes the hormone calcitonin?

1. Pituitary gland

2. Thyroid gland

3. Pineal gland

4. Thymus gland

Q. Write a short note on thyroid gland. [3 MARKS]

Q.

Choose the correct answer from the options given below:

Cretinism and Myxoedema are due to

1. Hypersecretion of thyroxin

2. Hypersecretion of growth hormone

3. Hyposecretion of thyroxin

4. Hyposecretion of growth hormone

Q.

Differentiate between acromegaly and myxoedema.

Q.

What causes Congenital Hypothyroidism?

Q. How do hormones from the thyroid and parathyroid regulate the calcium concentration of the blood?

Q.

What is acromegaly due to?

Q.

Assertion(A): Excess amount of calcium is regulated by calcitonin.
Reason(R): Calcitonin deposits excess calcium in the blood in bones.

1. Both A and R are true and R is the correct explanation of A

2. Both A and R are true but R is not the correct explanation of A

3. A is true but R is false

4. A is false but R is true

Q.

Deficiency of which hormone leads to myxoedema in adults?

1. Vasopressin

2. Parathormone

3. Oxytocin

4. Thyroxine

Q. Thyroid gland secretes a hormone called calcitonin, which lowers the amount of calcium in blood.

1. False
2. True

Q.

Choose the correct answer from the four options given below.

Cretinism and myxoedema are due to

1. hypersecretion of thyroxine

2. hypersecretion of growth hormone

3. hyposecretion of thyroxine

4. hyposecretion of growth hormone

Q. The body's BMR is majorly controlled by __

1. Aldosterone
2. Thyroxine
3. Ghrelin
4. Secretin

Q.

Match the following

Column 1	Column 2
Pituitary	Insulin
Pancreas	Thyroxin
Adrenal	Estrogen
Thyroid	Growth hormone
Ovary	Adrenalin

Q.

Identify the glands projected in the image.

1. I. – Parathyroid gland, II. – Thyroid gland.

2. I. – Thyroid gland, II. – Parathyroid gland.

3. I. – Thyroid gland, II. – Pituitary gland.

4. I. – Pituitary gland, II. – Parathyroid gland.

Q. Parathormone is involved in calcium balance in the body. Which of the following organs does it act on?

1. Heart
2. Kidneys
3. Gastrointestinal tract
4. Bones

Q. A decrease in the production of thyroxine during foetal stage leads to which disease?

Q.

Which of the following diseases can be treated with thyroxine supplementation?

1. Graves Disease

2. Hypothyroidism

3. Cretinism

4.Hyperthyroidism

1. 1 and 2

2. 2 and 3

3. 3 and 4

4. 4 and 1

Q.

Tropic hormones from the anterior pituitary directly affect the release of which of the following?

1. Parathyroid hormone

2. Thyroxine

3. Epinephrine

4. Calcitonin

Q.

How do hormones from the thyroid and parathyroid regulate the calcium concentration of the blood?

1. Calcitonin raises the blood calcium and parathormone lowers the blood calcium level.

2. Calcitonin lowers the blood calcium and parathormone raises the blood calcium level.

3. Both parathormone and calcitonin reduce the calcium level in the blood.

4. Both parathyroid and calcitonin raise the calcium level in the blood.

Q.

Deficiency of which hormone leads to myxoedema in adults?

1. Vasopressin

2. Parathormone

3. Oxytocin

4. Thyroxine