Knowledge Check

What are causes of macrocytosis?

a
Alcohol
b
Hypothyroidism
c
Pancreatitis
d
Hydroxyurea
e
Chronic liver disease

Which tests may be abnormal in vitamin B12 deficiency?

a
Haptoglobin
b
LDH
c
Hypersegmented neutrophils
d
Serum vitamin B12
e
ALT

Vitamin B12 deficiency is diagnosed by showing a low serum vitamin B12 level (<200 ng/L). What test would order if the vitamin B12 level was low-normal in a patient you suspected vitamin B12 deficiency in?

What test would you like to order?

Click for Answer

Serum methylmalonic acid

Which test is most specific for diagnosis of pernicious anemia?

a
Anti-intrinsic factor antibodies
b
Anti-parietal cell antibodies

True or false: the only route for effectively administering vitamin B12 is intramuscular.

a
True
b
False