UKMLA PLAB AMC USMLE Prometric MCQ

Question Number 0807
Question:
A 35 year old man has been kept on long term parenteral nutrition in an intensive care unit after incurring severe head and abdominal injuries in a traffic accident. He has been receiving broad-spectrum antibiotics for prolonged periods due to recurrent chest and abdominal infections. He develops a hemorrhaagic diathesis. His Prothrombin time is found to be increased. These manifestations are most likely secondary to a deficiency of

a) Vitamin A
b) Vitamin D2
c) Calciferol
d) Vitamin K
e) Vitamin C