5. Warfarin is a commonly used ingredient in rodenticide, causing rodents to bleed internally until they die. If animals are accidentally exposed, Vitamin K can be given to help restore blood clotting ability and reverse the effects. If your 35g mouse was exposed to this rodenticide, 10mg/kg of vitamin K should be given IM PRN in order to reverse the effects. If the vitamin K has a concentration of 10mg/mL, how much should be injected each time? Methods of Drug Administration (Abbreviations): PO- By mouth IM - Intramuscular (injection in muscle tissue) SQ or SC- Subcutaneous (under skin) ID - Intradermal (in dermal/skin layer) IP - Intraperitoneal (abdominal cavity) IV- Intravenous (inside vein) IN - Intranasal (nasal cavity) IO - Intraocular (eyeball) SID- once per day BID- twice per day TID - 3x per day QID- 4x per day PRN - As needed