1|Page
NUR402 Final Exam 2025 Prep Guide with 100
Questions and Correct Answers Graded A+ Seneca
College/ NUR402 - Professionhood and Knowledge
of Nursing II Final Exam Correctly Answered
Practice Questions (new!)
Vitamin B12 (Cyanocobalamin/Hydroxocobalamin) -
...ANSWER...✓✓ Treats vitamin B12 deficiency (pernicious
anemia, gastrectomy, bariatric surgery, vegetarians).
Vitamin B12 Pharmacokinetics - ...ANSWER...✓✓ Requires
intrinsic factor for absorption. Stored in the liver; long
half-life (~400 days).
Vitamin B12 Route - ...ANSWER...✓✓ IM injection if
intrinsic factor is absent (oral ineffective).
Vitamin B12 Adverse Effects - ...ANSWER...✓✓ Rare; can
cause hypokalemia, anaphylaxis.
Vitamin B12 Labs - ...ANSWER...✓✓ Monitor CBC,
reticulocyte count, and potassium levels.
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Vitamin B12 Nursing Tips - ...ANSWER...✓✓ Must be taken
for life if intrinsic factor is absent. Teach self-injection
and follow-up for labs.
Vitamin B12 Interactions - ...ANSWER...✓✓ Decreased
effect with omeprazole and metformin.
Folic Acid Uses - ...ANSWER...✓✓ Prevent/treat
deficiency in pregnancy, infancy, and alcoholism. Often
given with B12 in megaloblastic anemia.
Folic Acid Adverse Effects - ...ANSWER...✓✓ Rare;
bronchospasm possible.
Folic Acid Warning - ...ANSWER...✓✓ Do NOT give alone in
B12 deficiency - masks anemia but worsens neuro
symptoms.
Folic Acid Interactions - ...ANSWER...✓✓ Decreased by:
methotrexate, sulfa drugs, oral contraceptives, and
alcohol. Increases the metabolism of phenytoin (↓
phenytoin levels).
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Folic Acid Teaching - ...ANSWER...✓✓ Take with or
without food; avoid alcohol.
Vitamin B6 (Pyridoxine) Uses - ...ANSWER...✓✓ Prevents
neuropathy in patients taking isoniazid (INH) or
hydralazine. Treats pyridoxine deficiency, seizures in
infants.
Vitamin B6 Deficiency Signs - ...ANSWER...✓✓ Irritability,
neuropathy, cheilitis, glossitis.
Vitamin B6 Interactions - ...ANSWER...✓✓ May decrease
levodopa effectiveness unless taken with carbidopa.
Vitamin B6 Safety - ...ANSWER...✓✓ Avoid high doses—
can cause sensory neuropathy.
Vitamin D (Calciferol) Uses - ...ANSWER...✓✓ Calcium
absorption, bone health (used in osteoporosis, rickets,
hypocalcemia).
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Vitamin D Sources - ...ANSWER...✓✓ Sunlight, fortified
milk, fish.
Vitamin D Toxicity Signs - ...ANSWER...✓✓
Hypercalcemia: nausea, vomiting, weakness, kidney
stones.
Vitamin D Labs - ...ANSWER...✓✓ Monitor calcium and
vitamin D levels.
Vitamin D Caution - ...ANSWER...✓✓ Fat-soluble - risk of
accumulation/toxicity.
Vitamin K (Phytonadione) Uses - ...ANSWER...✓✓
Reverses warfarin toxicity. Prevents hemorrhagic disease
in newborns.
Vitamin K Admin Routes - ...ANSWER...✓✓ IM (newborns),
PO, IV (rare; caution due to risk of anaphylaxis).
NUR402 Final Exam 2025 Prep Guide with 100
Questions and Correct Answers Graded A+ Seneca
College/ NUR402 - Professionhood and Knowledge
of Nursing II Final Exam Correctly Answered
Practice Questions (new!)
Vitamin B12 (Cyanocobalamin/Hydroxocobalamin) -
...ANSWER...✓✓ Treats vitamin B12 deficiency (pernicious
anemia, gastrectomy, bariatric surgery, vegetarians).
Vitamin B12 Pharmacokinetics - ...ANSWER...✓✓ Requires
intrinsic factor for absorption. Stored in the liver; long
half-life (~400 days).
Vitamin B12 Route - ...ANSWER...✓✓ IM injection if
intrinsic factor is absent (oral ineffective).
Vitamin B12 Adverse Effects - ...ANSWER...✓✓ Rare; can
cause hypokalemia, anaphylaxis.
Vitamin B12 Labs - ...ANSWER...✓✓ Monitor CBC,
reticulocyte count, and potassium levels.
,2|Page
Vitamin B12 Nursing Tips - ...ANSWER...✓✓ Must be taken
for life if intrinsic factor is absent. Teach self-injection
and follow-up for labs.
Vitamin B12 Interactions - ...ANSWER...✓✓ Decreased
effect with omeprazole and metformin.
Folic Acid Uses - ...ANSWER...✓✓ Prevent/treat
deficiency in pregnancy, infancy, and alcoholism. Often
given with B12 in megaloblastic anemia.
Folic Acid Adverse Effects - ...ANSWER...✓✓ Rare;
bronchospasm possible.
Folic Acid Warning - ...ANSWER...✓✓ Do NOT give alone in
B12 deficiency - masks anemia but worsens neuro
symptoms.
Folic Acid Interactions - ...ANSWER...✓✓ Decreased by:
methotrexate, sulfa drugs, oral contraceptives, and
alcohol. Increases the metabolism of phenytoin (↓
phenytoin levels).
,3|Page
Folic Acid Teaching - ...ANSWER...✓✓ Take with or
without food; avoid alcohol.
Vitamin B6 (Pyridoxine) Uses - ...ANSWER...✓✓ Prevents
neuropathy in patients taking isoniazid (INH) or
hydralazine. Treats pyridoxine deficiency, seizures in
infants.
Vitamin B6 Deficiency Signs - ...ANSWER...✓✓ Irritability,
neuropathy, cheilitis, glossitis.
Vitamin B6 Interactions - ...ANSWER...✓✓ May decrease
levodopa effectiveness unless taken with carbidopa.
Vitamin B6 Safety - ...ANSWER...✓✓ Avoid high doses—
can cause sensory neuropathy.
Vitamin D (Calciferol) Uses - ...ANSWER...✓✓ Calcium
absorption, bone health (used in osteoporosis, rickets,
hypocalcemia).
, 4|Page
Vitamin D Sources - ...ANSWER...✓✓ Sunlight, fortified
milk, fish.
Vitamin D Toxicity Signs - ...ANSWER...✓✓
Hypercalcemia: nausea, vomiting, weakness, kidney
stones.
Vitamin D Labs - ...ANSWER...✓✓ Monitor calcium and
vitamin D levels.
Vitamin D Caution - ...ANSWER...✓✓ Fat-soluble - risk of
accumulation/toxicity.
Vitamin K (Phytonadione) Uses - ...ANSWER...✓✓
Reverses warfarin toxicity. Prevents hemorrhagic disease
in newborns.
Vitamin K Admin Routes - ...ANSWER...✓✓ IM (newborns),
PO, IV (rare; caution due to risk of anaphylaxis).
