A Patient's Laboratory Test Results Indicate Prolonged Activated Partial Thromboplastin

Multiple Choice

A patient's laboratory test results indicate prolonged activated partial thromboplastin time, which represents the time required for formation of a firm fibrin clot.In this case, the health-care provider suspects a vitamin deficiency may be contributing to this finding.The nurse knows that deficiency in which of the following vitamins is associated with this finding?

A) Vitamin C
B) Vitamin D
C) Vitamin E
D) Vitamin K