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WGU NUTRITION- NUTRITION THROUGH LIFESPAN EXAM QUESTIONS AND ANSWERS
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WGU NUTRITION- NUTRITION THROUGH LIFESPAN EXAM QUESTIONS AND ANSWERS
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WGU NUTRITION- MINERALS EXAMQUESTIONS WITH CORRECT ANSWERS
What are the trace minerals? - Answer-Iron, iodine, zinc, selenium, copper, manganese,
fluoride, chromium, cobalt, boron, vanadium, nickel and molybdenum
Which trace mineral is vital to tissue oxygenation? - Answer-Iron- a component of
hemoglobin- carries oxygen throughout the body
How is the trace mineral iodine used? - Answer-Used by the thyroid gland to make the
hormone thyroxine, important for metabolism
How do minerals enter the body tissues? - Answer-By binding to a plasma protein
How do body tissues uptake minerals? - Answer-Regulated by hormone levels
How is mineral metabolism regulated? - Answer-By the amount absorbed through the
intestines
Which major minerals play a key role in body fluid regulation? - Answer-
Which mineral is essential in binding oxygen or carbon dioxide to hemoglobin during the
respiratory cycle? - Answer-Iron
Which are the roles of magnesium in the body? - Answer-Nutrient transport, maintaining
normal metabolic rate, catalysis of reactions that produce energy
What factors could lead to hypomagnesemia? - Answer-Diabetes mellitus, poor renal
functioning, vomiting that has occurred for several days
Which condition would affect the body's iron Medellin and lead to possible toxicity? -
Answer-Liver cirrhosis
Sulfur is a primary component of which tissues or structures? - Answer-Hair, protein,
collagen, connective tissue
In which way can a patient ensure adequate sulfur in the diet? - Answer-Eat fish, dairy,
choose eggs for breakfast, eat protein
How does anorexia effect iron-deficiency? - Answer-People with anorexia have
inadequate dietary intake
How would a spleen laceration put someone at risk for iron-deficient anemia? - Answer-
Spleen lacerations lead to internal bleeding, active bleeding. An lead to iron deficiency
anemia
, How do packages impact iron absorption? - Answer-Oxalates are iron absorption
inhibitors
How would bypass surgery impact iron levels? - Answer-It could cause iron- deficiency
anemia. Most dietary iron is absorbed in the duodenum which is bypassed in this
surgery
True or false: a family history of diabetes will impact iron absorption? - Answer-False
If a patient takes 3 iron containing vitamin supplements per day, with a total of 80
mg/day over 4 mos, which physical findings would the nurse anticipate? - Answer-
Melena (blood in stool), jaundice (from liver damage), irritability, chest pain (from
myocardial damage), NOT constipation
What are some recommendations to increase the intake of iron? - Answer-Ribeye
steak, roasted salmon, liver and onions
Why is iodine deficiency rare in developed countries? - Answer-Iodine is frequently
added to table salt in developed countries
What assessment findings would indicate iodine toxicity? - Answer-Neck swelling
(goiter), vision changes (ocular damage), cold intolerance (symptom of hypothyroidism)
A patient with hypertension is worried about using salt to maintain iodine levels. What
recommendation should the nurse make to ensure adequate iodine intake? - Answer-
Include baked potatoes in the diet, increase the amount of dietary seafood
What body functions are supported by zinc? - Answer-DNA synthesis, wound healing,
energy metabolism, growth hormone production
What recommendations do we make for a vegetarian with zinc deficiency? - Answer-
Encourage the inclusion of zinc fortified foods
Why does a vegan diet increase a patients dietary need for zinc? - Answer-Zinc is less
available when obtained from plant sources
What is kashin beck disease? - Answer-A chronic joint disorder
What assessment findings would. Size the nurse to suspect a patient has kashin-beck
disease? - Answer-Joint pain, joint deformity
What factors can affect selenium levels? - Answer-An environment with frequent,
excessive rain. This can lead to poor soil quality and wash away selenium in the soil
which would lead to low selenium in plants
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