Nutrients Quiz 9

9

A dog presents with prolonged bleeding times - prolongations of prothrombin time (PT) and activated partial thromboplastin time (aPTT). What is the most likely cause of these clinical signs in an otherwise previously healthy dog? Naturally occurring vitamin K deficiency Vitamin K antagonist exposure Vitamin K toxicity Vitamin E toxicity Vitamin E deficiency Please select an option Incorrect. Naturally occurring vitamin K deficiency is an unlikely cause of prolonged bleeding times in previously healthy dogs. WikiVet Article: Vitamin K (Menaquinone-7, MK-7) - Nutrition Correct! Vitamin K antagonist exposure is a likely cause of prolonged bleeding times in previously healthy dogs. WikiVet Article: Vitamin K (Menaquinone-7, MK-7) - Nutrition Incorrect. Vitamin K toxicity is an unlikely cause of prolonged bleeding times in previously healthy dogs. WikiVet Article: Vitamin K (Menaquinone-7, MK-7) - Nutrition Incorrect. Vitamin E toxicity is an unlikely cause of prolonged bleeding times in previously healthy dogs.WikiVet Article: Vitamin E (α-Tocopherol) - Nutrition Incorrect. Vitamin E deficiency is an unlikely cause of prolonged bleeding times in previously healthy dogs.WikiVet Article: Vitamin E (α-Tocopherol) - Nutrition