Which vitamin is given in newborns to prevent hemorrhage –
**Core Concept**
The question tests the knowledge of vitamin supplementation in newborns to prevent hemorrhage, which is related to **coagulation disorders** and **neonatal care**. Vitamin K plays a crucial role in the synthesis of **clotting factors**.
**Why the Correct Answer is Right**
Vitamin K is essential for the production of **clotting factors II, VII, IX, and X**, which are necessary for blood coagulation. Newborns are at risk of hemorrhage due to low levels of these clotting factors, and vitamin K supplementation helps prevent this.
**Why Each Wrong Option is Incorrect**
**Option A:** Incorrect as it is not the primary vitamin given to prevent hemorrhage in newborns.
**Option B:** Incorrect as it is not directly related to clotting factor synthesis.
**Option C:** Incorrect as it is not the vitamin given to prevent hemorrhage in newborns.
**Clinical Pearl / High-Yield Fact**
Vitamin K administration to newborns is a standard practice to prevent **hemorrhagic disease of the newborn**.
**Correct Answer:** D. Vitamin K