D440 - Health and Wellness Exam Questions and Answers Already Passed Latest Update 2025
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Vitamin A (function) - Answers healthy skin, vision, bones, teeth and reproduction
Vitamin A (sources) - Answers Liver, eggs, fish, milk, carrots, sweet potato, pumpkin, spinach
Vitamin A toxicity - Answers Bone pain, dry skin, hair loss, fatigue, anorexia, portal hypertension,
orange tint to skin, oxidative damage
Vitamin A deficinecy - Answers Xerosis (red inflamed eyelids), xeropthalmia (blindness), night
blindness, age- related macular degeneration
Vitamin D (Function) - Answers strengthens and helps form bones & teeth via calcium &
phosphorus
Vitamin D (Sources) - Answers Egg yolk, fatty fish liver, sunlight
Vitamin D (deficiency) - Answers Rickets, Osteomalacia, Osteoporosis
Vitamin D (TOXICITY) - Answers Fragile bones, kidney stones & calcification of soft tissues
such as kidneys, lungs and heart.
Vitamin E (Functions) - Answers Assists with Free radical oxidation. Serves as an antioxidant in
body tissue. Also helps with cell signaling and gene expression.
Vitamin E (sources) - Answers Vegetable oils, nuts, seeds and fortified cereals
Vitamin E toxicity - Answers May interfere with blood clotting action of Vitamin K
Vitamin E deficiency - Answers hemolytic anemia
Vitamin K (Function) - Answers Aids hemostasis through blood clotting and is necessary for
bone development
Vitamin K (Sources) - Answers Green, leafy vegetables
Vitamin K drug- interactions - Answers Anticoagulants, Antibiotics
Vitamin K deficiency - Answers hemorrhage
Vitamin K toxicity - Answers none
Vitamin C (functions) - Answers Building CT tissue, general metabolism and antioxidant
Vitamin C (sources) - Answers citrus fruits
Vitamin C toxicity - Answers GI distress, diarrhea
, Vitamin C deficiency - Answers Scurvy, tissue bleeding, joint bleeding, bone fractures, poor
wound heeling, bleeding gums & tooth loss.
B1 (Thiamin) function - Answers incorporation of coenzyme thiamin ( metabolic reactions that
provide the body w/ energy).
Thiamin deficiency - Answers GI disruption, Nervous system negatives, Beriberi ( paralyzing
disease), alcohol- induced thiamin deficiency
Thiamin toxicity - Answers none
Thiamin sources - Answers yeast, pork, legumes, grains
Riboflavin (b2) functions - Answers coenzyme in energy metabolism, supports antioxidants.
Supports health skin, hair, blood & brain
Riboflavin (sources) - Answers Milk (stored in cardboard/ plastic), grains, almonds, soybeans,
meats (beef liver)
Riboflavin deficiency - Answers areas that undergo rapid cell generating (skin, eyes). Cracked
lips, dermatitis, red tongue, itching eyes.
Riboflavin toxicity - Answers none
Niacin (B3) Functions - Answers macronutrient metabolism and is essential for a healthy
nervous system
Niacin (sources) - Answers Meat, poultry, fish, enriched grains, peanuts
Niacin deficiency - Answers Pellagra ( 4 Ds) , weakness, poor appetite, indigestion, disorders of
the skin and nervous system. Dark scaly dermatitis near area of exposed to sun. Confusion,
apathy, disorientation and neuritis.
Niacin Toxicity - Answers reddened flush on the skin, tingling and itching
Vitamin B6 (Pyridoxine) Function - Answers Protein metabolism, carbohydrate and fat
metabolism, amino acid absorption in many cell reactions that involve amino acids,
neurotransmitter synthesis, synthesis of heme for hemoglobin
Pyridoxine Deficiency - Answers Hyperirribility, neuritis and possible convulsions
Pyridoxine Toxicity - Answers Nerve damage and uncoordinated movement
Pyridoxine food sources - Answers grains, liver and kidney meats
Vitamin B9 (folate) function - Answers Vital for new cell creation and DNA synthesis
Folate toxicity - Answers Excessive folate can mask vitamin b12 deficiency leading to nerve
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Vitamin A (function) - Answers healthy skin, vision, bones, teeth and reproduction
Vitamin A (sources) - Answers Liver, eggs, fish, milk, carrots, sweet potato, pumpkin, spinach
Vitamin A toxicity - Answers Bone pain, dry skin, hair loss, fatigue, anorexia, portal hypertension,
orange tint to skin, oxidative damage
Vitamin A deficinecy - Answers Xerosis (red inflamed eyelids), xeropthalmia (blindness), night
blindness, age- related macular degeneration
Vitamin D (Function) - Answers strengthens and helps form bones & teeth via calcium &
phosphorus
Vitamin D (Sources) - Answers Egg yolk, fatty fish liver, sunlight
Vitamin D (deficiency) - Answers Rickets, Osteomalacia, Osteoporosis
Vitamin D (TOXICITY) - Answers Fragile bones, kidney stones & calcification of soft tissues
such as kidneys, lungs and heart.
Vitamin E (Functions) - Answers Assists with Free radical oxidation. Serves as an antioxidant in
body tissue. Also helps with cell signaling and gene expression.
Vitamin E (sources) - Answers Vegetable oils, nuts, seeds and fortified cereals
Vitamin E toxicity - Answers May interfere with blood clotting action of Vitamin K
Vitamin E deficiency - Answers hemolytic anemia
Vitamin K (Function) - Answers Aids hemostasis through blood clotting and is necessary for
bone development
Vitamin K (Sources) - Answers Green, leafy vegetables
Vitamin K drug- interactions - Answers Anticoagulants, Antibiotics
Vitamin K deficiency - Answers hemorrhage
Vitamin K toxicity - Answers none
Vitamin C (functions) - Answers Building CT tissue, general metabolism and antioxidant
Vitamin C (sources) - Answers citrus fruits
Vitamin C toxicity - Answers GI distress, diarrhea
, Vitamin C deficiency - Answers Scurvy, tissue bleeding, joint bleeding, bone fractures, poor
wound heeling, bleeding gums & tooth loss.
B1 (Thiamin) function - Answers incorporation of coenzyme thiamin ( metabolic reactions that
provide the body w/ energy).
Thiamin deficiency - Answers GI disruption, Nervous system negatives, Beriberi ( paralyzing
disease), alcohol- induced thiamin deficiency
Thiamin toxicity - Answers none
Thiamin sources - Answers yeast, pork, legumes, grains
Riboflavin (b2) functions - Answers coenzyme in energy metabolism, supports antioxidants.
Supports health skin, hair, blood & brain
Riboflavin (sources) - Answers Milk (stored in cardboard/ plastic), grains, almonds, soybeans,
meats (beef liver)
Riboflavin deficiency - Answers areas that undergo rapid cell generating (skin, eyes). Cracked
lips, dermatitis, red tongue, itching eyes.
Riboflavin toxicity - Answers none
Niacin (B3) Functions - Answers macronutrient metabolism and is essential for a healthy
nervous system
Niacin (sources) - Answers Meat, poultry, fish, enriched grains, peanuts
Niacin deficiency - Answers Pellagra ( 4 Ds) , weakness, poor appetite, indigestion, disorders of
the skin and nervous system. Dark scaly dermatitis near area of exposed to sun. Confusion,
apathy, disorientation and neuritis.
Niacin Toxicity - Answers reddened flush on the skin, tingling and itching
Vitamin B6 (Pyridoxine) Function - Answers Protein metabolism, carbohydrate and fat
metabolism, amino acid absorption in many cell reactions that involve amino acids,
neurotransmitter synthesis, synthesis of heme for hemoglobin
Pyridoxine Deficiency - Answers Hyperirribility, neuritis and possible convulsions
Pyridoxine Toxicity - Answers Nerve damage and uncoordinated movement
Pyridoxine food sources - Answers grains, liver and kidney meats
Vitamin B9 (folate) function - Answers Vital for new cell creation and DNA synthesis
Folate toxicity - Answers Excessive folate can mask vitamin b12 deficiency leading to nerve
