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Kaplan Qbank USMLE



Author6 Posts
  #1

A 30-year-old pregnant woman complains to her physician of feeling very tired during her pregnancy. A complete blood count with differential reveals a hematocrit of 30%, with hypersegmented neutrophils and large, hypochromic red cells.

Deficiency of which of the following would be most likely to produce these findings?

A. Ascorbic acid
B. Calcium
C. Copper
D. Folate
E. Iron



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FORUM RULES-- Those who believe in telekinesis, raise my hand. I get enough exercise just by pushing my luck --P4U World.." The pure and simple truth is rarely pure and never simple."

  #2

Sgrin Do I. nod

  #3

copper? :P

D

  #4

The correct answer is D.

The patient has a megaloblastic anemia, which can be due to deficiency of folate or B12. Pregnancy increases the need for folate and other nutrients used by both baby and mother, and may "unmask" a borderline dietary deficiency. For this reason, most obstetricians recommend vitamin supplements for pregnant women.

Ascorbic acid (choice A) is vitamin C, and its deficiency predisposes for capillary fragility and oral lesions.

Calcium deficiency (choice B) predisposes for osteoporosis/osteopenia.

Copper deficiency (choice C) is rare; when it occurs, it may cause a hypochromic anemia, neutropenia, osteoporosis, or hypotonia.

Iron deficiency (choice E) causes a microcytic, hypochromic anemia, with reduced mental and physical performance.


___________________
FORUM RULES-- Those who believe in telekinesis, raise my hand. I get enough exercise just by pushing my luck --P4U World.." The pure and simple truth is rarely pure and never simple."

  #5

mytime wrote:
Sgrin Do I. nod

nodnod

___________________
FORUM RULES-- Those who believe in telekinesis, raise my hand. I get enough exercise just by pushing my luck --P4U World.." The pure and simple truth is rarely pure and never simple."

  #6

Mytime wrote:
Sgrin Do I. nod


May we know why ? winkgrin


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