Test 2 Flashcards
What is the most common reason cited for lack of response to iron supplementation?
a. Patient adherence issues
b. malabsorption
c. excessive elimination
Patient adherence issues
Which symptom is NOT associated with iron deficiency?
a. Diarrhea
b. fatigue
c. decreased cognitive ability
d. pagophagia
Diarrhea
(T or F) One form of pica, the urge to eat ice is associated with iron deficiency and resolves with correction of the deficiency.
T
In which ways is iron balance maintained in the body.
a. Epidermal cell sloughing
b. Blood loss through menstruation
c. Gastrointestinal absorption
d. all of the above
all of the above
Which for of iron is most readily absorbed?
a. plant based iron
b. Ferrous gluconate
c. Ferrous sulfate
d. Heme iron
Heme iron
Which of the following foods have the ability to block iron absorption?
a. Animal meat
b. Citrus fruit
c. green tea
d. Milk
c. green tea
d. Milk
(T or F) Iron is more readily absorbed on an empty stomach but can cause irritation.
T
New research is demonstrating improved methods for dosing iron to increase its absorption. According to the research, which dosing method is preferred?
a. Dose to bowel tolerance
b. Low doses times a day
c. The maximum RDA every day
d. Moderate doses every other day
Moderate doses every other day
Which of the following tests is the most sensitive for detecting early (uncomplicated) iron deficiency?
a. Serum iron
b. CBC
c. Ferritin
d. Methylmalonic acid
Ferritin
Which testing can be used to determine response to iron supplementation in an iron deficiency individual?
a. Reticulocyte index
b. Hemoglobin
c. Each of these can be helpful at different time intervals.
d. Ferritin
Reticulocyte index
Hemoglobin
Ferritin
Your patient has increase serum homocysteine and normal serum methylmalonic acid leading you to suspect she has
a. B12 deficiency
b. Copper deficiency
c. Folate deficiency
d. Iron deficiency
Folate deficiency
(T or F) B12 deficiency can lead to folate deficiency.
T
_____________ is the most common cause of B12 deficiency
a. SIBO
b. Iron deficiency anemia
c. IBS
d. Pernicious anemia
Pernicious anemia
At what B12 level is a methylmalonic acid assay recommended?
a. <150 ng/L
b. 150-300 ng/L
c. >300 ng/L
d. MMA is not helpful in the workup for B12 deficiency
150-300 ng/L
In what way is the schilling test useful?
a. It provides information about the source of the B12 deficiency
b. It provides information about the source of homocysteine deficiency
c. It provides kidney function status through the use of radiolabeled B12
d. It’s a quick, easy test to determine a B12 deficiency
It provides information about the source of the B12 deficiency
Which conditions affect the intestinal absorption of B12?
a. IBD
b. PCOS
c. Tapeworm infections
d. SIBO
IBD
Tapeworm infections
SIBO
What form must B12 leave the stomach in order to be absorbed?
a. Intrinsic factor bound B12
b. R factor bound B12
c. Pepsin bound B12
d. Lipid bound B12
R factor bound B12
hich conditions or states negatively affect the oral phase of B12 absorption?
a. Sympathetic state
b. Sjogren’s syndrome
c. Parasympathetic state
d. Dental caries
Sympathetic state
Sjogren’s syndrome
Which of the following are signs/symptoms of B12 deficiency?
a. Macrocytic anemia
b. Numbness and paresthesia in the extremities
c. Gastrointestinal disturbances such as anorexia and diarrhea
d. Hyperreflexia
a. Macrocytic anemia
b. Numbness and paresthesia in the extremities
c. Gastrointestinal disturbances such as anorexia and diarrhea
(T or F) Folate deficiency leads to neurologic deficits.
F
Select the conditions/populations associated with increased risk of folate deficiency?
a. Tropical sprue
b. Malabsorption syndromes
c. Pregnancy
d. Alcohol abuse
a. Tropical sprue
b. Malabsorption syndromes
c. Pregnancy
d. Alcohol abuse
What is the suggested supplementation ratio of zinc to copper?
a. 30mg zinc to 20mg copper
b. 15mg zinc to 15mg copper
c. 30mg zinc to 10mg copper
d. 15mg zinc to 1 mg copper
15mg zinc to 1 mg copper
Which of the following minerals is essential for mobilization of iron from both enterocytes and ferritin?
a. Copper
b. Zinc
c. Chromium
d. Manganese
Copper
Which of the following impairs copper absorption?
a. High protein intake
b. High iron intake
c. High vitamin C intake
d. High zinc intake
High zinc intake
High iron intake