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PH 156 > RBC Indices + CBC > Flashcards

RBC Indices + CBC Flashcards

1
Q

Ideally: Hemoglobin concentration should be three times the value of the hematocrit concentration

T or F?

A

F

Hematocrit dapat ang 3x higher

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2
Q 
Which is used in hematocrit?
A.Sahli’s tube 
B.comparator block 
C.wintrobe tube
D.A and B
E.B and C
A

C

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3
Q 
Which is used in hemoglobin?
A.Sahli’s tube 
B.comparator block 
C.wintrobe tube
D.A and B
E.B and C
A

D

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4
Q

T or F

Women are more prone to anemia than men

A

T

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5
Q

Which is not a direct cause of high Hgb level?
A. hypochromic anemia
B. decreased people living in high altitudes
C. illnesses (cancer, drug abuse)
D. smoking

A

A

A leads to low Hgb… Dapat erythrocytosis

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6
Q

The average size of red blood cells. It is the average amount of space occupied by each RBC.

Identify

A

Mean corpuscular volume

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7
Q

MCV=equal to ___ over total no. of RBC

A

Hemoglobin

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8
Q

Low MCV without anemia suggests ___

A

thalassemia minor (trait)

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9
Q

Myxedema (most severe form of hyperthyroidism) causes ___ MCV without anemia

A

High

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10
Q

Measures the variability in the size of red blood cells.

A

RED CELL DISTRIBUTION WIDTH (RDW)

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11
Q

The amount of hemoglobin in an average red blood cell.

A

Mean corpuscular hemoglobin

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12
Q

The average concentration of hemoglobin in an average RBC

A

Mean corpuscular hemoglobin concentration

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13
Q

Which is not true?
A.Increased reticulocytes (reticulocytosis) is a normal response to blood loss or anemia.
B.Since reticulocytes are larger, the MCV (and RDW) may be decreased.
C.Anemia combined with a low or normal reticulocyte count indicates that the bone marrow is unable to respond normally.

A

B

Elevated dapat. Not decreased

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14
Q 
Increased destruction of RBC may cause any of ff except:
A.Aplastic anemia 
B.Spherocytosis 
C.Hemoglobin disorders
D.Hemorrhage (blood loss) 
E.Hypersplenism
A

A

Hemolytic dapat

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15
Q

Low MCV + low RDW = __

A

Thalassemia minor

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16
Q

The oxygen-carrying capacity protein ___ contains iron, and gives blood its red color

A

heme

17
Q

Which is not a possible cause + (other condition) of megaloblastic anemia?
A.vitamin deficiency (usually B12 or folic acid)
B.alcohol intake (moderately high levels)
C.leukemia (WBCs do not have to be abnormal too)

A

C

WBC has to be abnormal

18
Q

Identify

vitamin B12 deficiency caused by an inability to absorb the vitamin from the GI tract. May cause neuropathy, weakness, or even psychiatric problems

A

Pernicious anemia

19
Q

Identify

A condition where the immune system attacks and destroys RBCs

A

Autoimmune histolytic anemia

20
Q

The two forms of autoimmune histolytic anemia are ___ & ___

A

Warm antibody and Cold Agglutinin disease

21
Q

Both types of autoimmune histolytic anemia cause Normocytic anemia with antibodies against RBCs.

What kind of test is this? Also: (+) or (-) ba

A

positive Coomb’s test

22
Q

Anemia is only for acute inflammation. True or false?

A

False

23
Q

Inherited disorders of the globin gene leading to low levels of alpha or beta globin chains

Identify

A

Thalassemias

24
Q
  • Typically mild anemia with marked microcytosis
  • Can coexist with other hemoglobin abnormalities, with increased severity of the anemia and increased mortality concern, but ___) has no excess mortality concerns

Identify trait

A

BETA THALASEMMIA MINOR

25
Q

Identify Hb disorder

  • large variety of genetic disorders which affect the biosynthesis of heme (all are rare)
  • May cause episodes of severe abdominal pain, sensitivity to sunlight, even psychiatric problems or paralysis
A

Porphyria

26
Q

Possible causes of Neutrophilia

Common: bacterial infections, inflammatory disorders, stress, certain drugs, pregnancy
Rare: __

A

Leukemia

27
Q

Possible causes of Neutropenia Common: chronic benign neutropenia, chemotherapy
Rare: __ & __

A

SLE & Immunodeficiency

28
Q

True or false: for leukocytosis and neutropenia, Treatment is usually aimed at the underlying cause

A

True

29
Q

Chronic benign neutropenia - which is false?

A.Overall risk of infection is high, but usually asymptomatic
B.Two forms: familial and non-familial C.Key features from underwriting perspective are the absence of significant infections and stability over time

A

A

Low dapat

30
Q

gives important information about the kinds and numbers of cells in the blood, especially RBC, WBC and platelets

A

Complete Blood Count

PH 156 (13 decks)

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