Match the following and mark the correct option:
`{:(,"Column-I","Column-II"),((a),"Hyperthyroidism",(i)"Parthormone"),((b),"Hypocalcemic",(ii)"Cretinism"),((c),"Hypercalcemic",(ii)"Grave's disease"),((d),"Hypothyroidism",(iv)"Calcitonin"):}`

Options

A. `{:((a),(b),(c),"(d)"),((ii),(i),(iv),"(iii)"):}`
B. `{:((a),(b),(c),"(d)"),((ii),(iv),(i),"(iii)"):}`
C. `{:((a),(b),(c),"(d)"),((iii),(i),(iv),"(ii)"):}`
D. `{:((a),(b),(c),"(d)"),((iii),(iv),(i),"(ii)"):}`

Answer

To solve the matching question, we need to pair the items from Column-I with their corresponding items in Column-II based on our understanding of the conditions and hormones involved. Let's go through each item step by step:

### Step 1: Match Hyperthyroidism
- **Hyperthyroidism** is a condition where the thyroid gland is overactive, leading to excessive production of thyroid hormones. This is commonly associated with **Grave's disease**.
- **Match**: (a) Hyperthyroidism → (ii) Grave's disease

### Step 2: Match Hypocalcemic
- **Hypocalcemic** refers to a condition where there is a low level of calcium in the blood. The hormone that helps regulate calcium levels in the blood by lowering it is **Calcitonin**.
- **Match**: (b) Hypocalcemic → (iv) Calcitonin

### Step 3: Match Hypercalcemic
- **Hypercalcemic** indicates a condition where there is an elevated level of calcium in the blood. The hormone responsible for increasing calcium levels is **Parathormone** (also known as parathyroid hormone).
- **Match**: (c) Hypercalcemic → (i) Parathormone

### Step 4: Match Hypothyroidism
- **Hypothyroidism** is a condition where the thyroid gland does not produce enough thyroid hormones. This can lead to developmental issues such as **Cretinism** in infants.
- **Match**: (d) Hypothyroidism → (iii) Cretinism

### Final Matches:
- (a) Hyperthyroidism → (ii) Grave's disease
- (b) Hypocalcemic → (iv) Calcitonin
- (c) Hypercalcemic → (i) Parathormone
- (d) Hypothyroidism → (iii) Cretinism

### Summary of Matches:
- (a) → (ii)
- (b) → (iv)
- (c) → (i)
- (d) → (iii)

### Correct Option:
Based on the matches, the correct option is **Option 4**:
- A matches with ii
- B matches with iv
- C matches with i
- D matches with iii