Comprehensive Solutions
Save
Terms in this set (192)
Deficiencies in folic acid lead to which a. Nuclear cytoplasmic asynchrony
of the following?
a. Nuclear cytoplasmic asynchrony
b. Absence of nuclear division
c. Excessive proliferation of myeloid
precursors
d. Decreased proliferation of
erythroid precursors
It is much easier to become folate- b. The body has larger vitamin B12 stores than folate
deficient than B12-deficient because: stores.
a. The body utilizes folate more
quickly than it does vitamin B12.
b. The body has larger vitamin B12
stores than folate stores.
c. The body has a greater need for
folate than for vitamin B12.
d. It has not been determined why the
body needs folate more than vitamin
B12.
,Predict the levels of MMA and c. Both will be increased.
homocysteine in patients with Vitamin
B12 deficiency.
a. Both will be normal.
b. Both will be decreased.
c. Both will be increased.
d. MMA will be increased and
homocysteine will be normal.
Which test is a better indicator of b. RBC folate level
folate status in the body over the past
month?
a. Folate level
b. RBC folate level
c. Vitamin B12 level
d. MMA
All of the following disorders can lead d. Iron deficiency
to macrocytic anemia except:
a. Alcoholism
b. Liver disease
c. Hypothyroidism
d. Iron deficiency
,Neurological symptoms are prevalent c. Improper fatty acid metabolism
in Vitamin B12 deficiency because of:
a. Antibodies to intrinsic factor
b. Decreased secretion of intrinsic
factor
c. Improper fatty acid metabolism
d. Improper metabolism of methionine
Pernicious anemia is a disorder b. Lack of IF
characterized by:
a. Antivitamin B12 antibodies
b. Lack of IF
c. Improper dietary intake of vitamin
B12
d. Increased absorption of vitamin B12
Patients with blind loop syndrome can d. Biologic competition
have vitamin B12 deficiency
complications resulting from:
a. Inadequate diet
b. Increased minimum daily
requirements
c. Malabsorption
d. Biologic competition
, Macrocytes are often seen in a. Alcohol toxicity on erythroid precursors
hospitalized alcoholics because of:
a. Alcohol toxicity on erythroid
precursors
b. Stimulated erythropoiesis
c. Reticulocytosis
d. Iron deficiency
Megaloblastic anemia is characterized a. Hypersegmentation of PMNs
by:
a. Hypersegmentation of PMNs
b. Presence of Heinz bodies
c. hypochromia
d. Microcytosis
Megaloblastic anemia is most often c. Vitamin B12 and folate
caused by deficiencies of what two
components?
a. Iron and transferrin
b. Ferritin and hemoglobin
c. Vitamin B12 and folate
d. Iron and liver disease