BIO 1322 Test 2–Questions and Answers | 2026
Update | 100% Correct.
What vitamin plays a key role in both blood clotting and bone formation?
vitamin K
vitamin D
vitamin E
vitamin A
vitamin K
What two vitamins function as hormones?
vitamins E and K
vitamins D and E
vitamins A and D
vitamins A and K
vitamins A and D
,What fat-soluble vitamin performs NO regulatory function?
vitamin A
vitamin K
vitamin D
vitamin E
vitamin E
We consume significant amounts of what vitamin in its most inactive form?
vitamin E
vitamin K
vitamin A
vitamin D
vitamin A
Which of the following is NOT a function of vitamins?
,They are needed for proper cell growth.
They perform regulatory functions in the body.
They are used in metabolism to extract energy from macronutrients.
They are critical structural components of cells.
They are critical structural components of cells.
Inactive forms of vitamins that are activated once in the body are called:
provitamins.
pre-vitamins.
precursor vitamins.
preformed vitamins.
provitamins.
Which statement about free radicals is NOT true?
Free radicals arise from exposure to UV radiation, cigarette smoking, and air pollution.
, Free radicals are molecules with unpaired electrons, making them highly reactive.
High levels of free radicals alter DNA and destabilize membranes.
Free radicals generated by energy metabolism are not useful to the body.
Free radicals generated by energy metabolism are not useful to the body.
Which of the following is NOT true regarding the absorption of fat-soluble vitamins?
A low-fat meal has no effect on fat-soluble vitamin absorption.
Absorption occurs in the small intestine.
Bile is necessary.
Fat-soluble vitamins are incorporated into chylomicrons and transported into the lymph.
A low-fat meal has no effect on fat-soluble vitamin absorption.
A deficiency of what vitamin is NOT expected to affect immune function in any way?
vitamin E
vitamin K
Update | 100% Correct.
What vitamin plays a key role in both blood clotting and bone formation?
vitamin K
vitamin D
vitamin E
vitamin A
vitamin K
What two vitamins function as hormones?
vitamins E and K
vitamins D and E
vitamins A and D
vitamins A and K
vitamins A and D
,What fat-soluble vitamin performs NO regulatory function?
vitamin A
vitamin K
vitamin D
vitamin E
vitamin E
We consume significant amounts of what vitamin in its most inactive form?
vitamin E
vitamin K
vitamin A
vitamin D
vitamin A
Which of the following is NOT a function of vitamins?
,They are needed for proper cell growth.
They perform regulatory functions in the body.
They are used in metabolism to extract energy from macronutrients.
They are critical structural components of cells.
They are critical structural components of cells.
Inactive forms of vitamins that are activated once in the body are called:
provitamins.
pre-vitamins.
precursor vitamins.
preformed vitamins.
provitamins.
Which statement about free radicals is NOT true?
Free radicals arise from exposure to UV radiation, cigarette smoking, and air pollution.
, Free radicals are molecules with unpaired electrons, making them highly reactive.
High levels of free radicals alter DNA and destabilize membranes.
Free radicals generated by energy metabolism are not useful to the body.
Free radicals generated by energy metabolism are not useful to the body.
Which of the following is NOT true regarding the absorption of fat-soluble vitamins?
A low-fat meal has no effect on fat-soluble vitamin absorption.
Absorption occurs in the small intestine.
Bile is necessary.
Fat-soluble vitamins are incorporated into chylomicrons and transported into the lymph.
A low-fat meal has no effect on fat-soluble vitamin absorption.
A deficiency of what vitamin is NOT expected to affect immune function in any way?
vitamin E
vitamin K
