Vitamin K injections are given to newborn infants to:
1. Activate clotting factors.
2. Anticoagulate.
3. Increase fetal hemoglobin.
4. Assist in gas exchange
1
Rationale:
1. Levels of clotting factors are lower in infants, so vitamin K is given prophylactically to activate essential clotting factors.
2. Vitamin K is given to promote coagulation.
3. Vitamin K has no effect on fetal hemoglobin.
4. Clotting factors do not carry oxygen or carbon dioxide.
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