2 Plenary 2nd LE Flashcards
Normal RBC count
4-5.5 million cells/microliter
WBC count
5-10,000 cells/microliter
Hemoglobin count
12-16 gm/liter
Hematocrit
40-54%
MCV
80-94 femtoliters
MCHC
32-37%
MCH
27-32 picograms
Platelet count
150,000-40,000/microliter
RDW
11-15
Neutrophils
40-75%
Stabs
3-5%
Lymphocytes
20-45%
Monocytes
2-6%
Eosinophils
1-4%
Basophils
0-1%
Used for hemoglobin determination
Sahli Hellige hemometer
Diluting fluid of Hb determination
10 N HCl
Acid solution in hemoglobin concentration compared with a color standard
acid hematin
Used as a diluent to acid hematin so that it matches the color standard
distilled water
The time it takes for the bleeding to stop
Bleeding time
The time it takes for blood to form a clot
Clotting time
Normla bleeding time
1-3 minutes (modified duke’s method)
Normal clotting time
3-6 minutes
Hemoglobin determination
Male: 13.8 to 17.2 gm/dlFemale: 12.1 to 15.1 gm/dl
Clinical applications of blood typing
Blood transfusionOrgan transplantationPaternityForensic evidence
Volume of air expelled from hte lungs during a maximal forced epiration starting after a maximal forced inspiration
Vital capacity
Volume of gas that is expelled from the lungs during a maximal forced expiration tat starts at the end of a normal tidal expiration
Expiratory reserve colume
Total lung capacity
VC + FRCIRV + ERV + RV
Volume of gas that is inspired into the lungs during maximal frced inspiration at the end of a normal tidal inspiration
Inspiratory reserve volume
Volume of gas remaining in the lungs after a maximal forced expiration
Residual volume
Minute ventilation
TV x RR
Alveolar ventilation
(TV-dead space) X RR
Indication of airway diameter
FEV1/FVC