HEME 1.2

Question 1

what type of test is the complete blood count (CBC)

Answer 1

Panel of tests that examines different parts of the blood

Question 2

how many different points of information will the CBC give

Answer 2

11

Question 3

what is the white blood cell count

Answer 3

count the actual number of white blood cells per volume of blood (increases with infection)

Question 4

what can decrease WBC count

Answer 4

• some medication
• bone marrow failure
• chemotherapy
• congenital marrow aplasia (no bone marrow development)

Question 5

what is included in a WBC count

Answer 5

% of each WBC (5 major types)

also included BAND NEUTROPHILS (immature)

Question 6

what is and increase of lymphocytes an indication of

Answer 6

acute or chronic leukemia

Question 7

what does the RBC count lower with, increase with

Answer 7

anemia, increases with loss of water (i.e diarrhea)

Question 8

what should the amount of hemoglobin morror

Answer 8

the RBC count results

Question 9

hematocrite mirrors what results

Answer 9

RBC count

Question 10

what is hemoglobin compatible with

Answer 10

oxygen carrying capacity

Question 11

how much of the mass in a RBC does hemoglobin make up

Answer 11

1/3

Question 12

what are the 4 globin subunits complexed with

Answer 12

Iron

Question 13

what symptoms does a low hemoglobin count cause

Answer 13

tiredness and weakness

Question 14

What is the Mean corpuscular volume

Answer 14

measurment of the average size of RBC

Question 15

what causes macrocytic cells and what causes microcytic cells

Answer 15

macrocytic (large RBC) - Vit. B12 deficiency

Microcytic - Iron deficiency or thalassemias

Question 16

what is the mean corpuscular hemoglobin

Answer 16

HCH the avarage amound of oxygen-carrying hemoglobin inside the RBC

Question 17

what types of cells tend to have a higher MCH, lower?

Answer 17

Macrocytic cells have more, microcytic cells have less

Question 18

what is a deacreased MCHC (concentration) called and what is the cause

Answer 18

hypochromia - caused by iron defeciency and thalasemia

Question 19

what is a increased MCHC (concentration) called and what is the cause

Answer 19

hyperchromia - burn patients, hereditary spherocytosis and rare congenital disorder.

Question 20

what causes an increase in Red cell distribution width

Answer 20

some anemias (pernicious anemia) the amount of veriation in RBC size (anisocytosis) and varitation in shape

Question 21

what is the variation of shape in a RBC called

Answer 21

poikilocytosis

Question 22

what is the normal reference range in human red blood cells

Answer 22

11-15%

Question 23

what is the lowered number of platelets called

Answer 23

thrombocytopenia

Question 24

what does thje CMP consist of and what must a patient do before taking this test

Answer 24

A panel of 14 individual blood tests

typically a patient fasts for 10-14 hours before the blood is drawn for the test.