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【单选题】
设函数 在区间（0，4）上是减函数，则k的取值范围是 [ ]A.
B.
C.
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举一反三
【单选题】According to paragraph 2, a symptom of iron deficiency is the presence in young leaves of
A.
deep red discoloration between the veins
B.
white or yellow tissue between the veins
C.
dead spots between the veins
D.
characteristic dark green veins
【多选题】How to correct iron deficiency by modifying your diet?
A.
To select food with the words "iron-added" on the label.
B.
To eat iron-added food with plentiful Vitamin
C.
To cook iron-rich food in iron pans.
D.
Do not drink coffee or tea with meals because substances in these drinks can interfere with iron being absorbed into the body.
【单选题】The most early diagnostic value of iron deficiency anemia ()
A.
Decrease of serum ferritin
B.
Decrease of serum iron
C.
Hemoglobin reduction
D.
Red blood cells are small cells with low pigment
E.
Increase of total iron binding force
【多选题】What are the causes leading to iron deficiency among women?
A.
Too many women ignore the amount of iron they take in.
B.
Women of childbearing age are at greatest risk, since their monthly bleeding is a major source of iron loss.
C.
Many women refuse to eat red meat.
D.
Many women may not consume enough iron-rich food because they want to lose weight.
【单选题】Which lab results can be found in nutritional iron deficiency anemia
A.
Serum iron concentration ↓ , total iron-binding capacity ↓ , transferrin saturation↓
B.
Serum iron concentration ↓, total iron-binding capacity ↓ , transferrin saturation↑
C.
Serum iron concentration ↓, total iron-binding capacity ↑ ,transferrin saturation normal
D.
Serum iron concentration ↓ , total iron-binding capacity↑, transferrin saturation↓
E.
Serum iron concentration ↓ ,total iron-binding capacity ↑, transferrin saturation↑
【单选题】The most important treatment for iron deficiency anemia is:
A.
Oral iron
B.
Red blood cell suspension
C.
Therapeutic etiology
D.
Eat foods rich in iron
E.
Intramuscular iron injection
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