Moderate

The deficiency of vitamin K in human causes _________________________?

Correct answer: D. all the above

  • A. Uncontrolled bleeding
  • B. Internal hemorrhage
  • C. Prolonged blood clotting
  • D. all the above

Explanation

Vitamin K is required to form several blood-clotting factors, so its deficiency causes prolonged clotting time and may lead to uncontrolled bleeding or internal hemorrhage. All three options describe consequences of impaired clotting.

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