Thyroxine

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.

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.

Which endocrine gland secretes hormones that regulate blood sugar level?

1. Pituitary Gland

2. Adrenal Gland

3. Pancreas

4. Thyroid gland

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.

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

1. Iodine

2. Potassium

3. Sodium

4. Calcium

Q.

Deficiency of which hormone leads to myxoedema in adults?

1. Vasopressin

2. Parathormone

3. Oxytocin

4. Thyroxine

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

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

Q.

Which gland secretes the hormone calcitonin?

1. Pituitary gland

2. Thyroid gland

3. Pineal gland

4. Thymus gland

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

1. False
2. True