RBC Indices + CBC

Question 1

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

T or F?

Answer 1

F

Hematocrit dapat ang 3x higher

Question 2

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

Answer 2

C

Question 3

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

Answer 3

D

Question 4

T or F

Women are more prone to anemia than men

Answer 4

T

Question 5

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

Answer 5

A

A leads to low Hgb… Dapat erythrocytosis

Question 6

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

Identify

Answer 6

Mean corpuscular volume

Question 7

MCV=equal to ___ over total no. of RBC

Answer 7

Hemoglobin

Question 8

Low MCV without anemia suggests ___

Answer 8

thalassemia minor (trait)

Question 9

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

Answer 9

High

Question 10

Measures the variability in the size of red blood cells.

Answer 10

RED CELL DISTRIBUTION WIDTH (RDW)

Question 11

The amount of hemoglobin in an average red blood cell.

Answer 11

Mean corpuscular hemoglobin

Question 12

The average concentration of hemoglobin in an average RBC

Answer 12

Mean corpuscular hemoglobin concentration

Question 13

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.

Answer 13

B

Elevated dapat. Not decreased

Question 14

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

Answer 14

A

Hemolytic dapat

Question 15

Low MCV + low RDW = __

Answer 15

Thalassemia minor

Question 16

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

Answer 16

heme

Question 17

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)

Answer 17

C

WBC has to be abnormal

Question 18

Identify

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

Answer 18

Pernicious anemia

Question 19

Identify

A condition where the immune system attacks and destroys RBCs

Answer 19

Autoimmune histolytic anemia

Question 20

The two forms of autoimmune histolytic anemia are ___ & ___

Answer 20

Warm antibody and Cold Agglutinin disease

Question 21

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

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

Answer 21

positive Coomb’s test

Question 22

Anemia is only for acute inflammation. True or false?

Answer 22

False

Question 23

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

Identify

Answer 23

Thalassemias

Question 24

• 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

Answer 24

BETA THALASEMMIA MINOR

Question 25

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

Answer 25

Porphyria

Question 26

Possible causes of Neutrophilia Common: bacterial infections, inflammatory disorders, stress, certain drugs, pregnancy Rare: __

Answer 26

Leukemia

Question 27

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

Answer 27

SLE & Immunodeficiency

Question 28

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

Answer 28

True

Question 29

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

Answer 29

A Low dapat

Question 30

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

Answer 30

Complete Blood Count