Biochemistry for Nurses

Appendix

NORMAL LABORATORY VALUES

Hematology

1	Bleeding time	1–7 minutes (Ivy method)
2	Clot retraction	Starts in 1–3 hours Completes in 6–24 hours No clot lysis in 24 hours
3	Prothrombin time	11–14.5 seconds
4	Partial thromboplastin time	Activated, 25–37seconds
5	Cellular measurement of red cells	Average diameter = 7.3µm
		Mean corpuscular volume (MCV): Men = 80–94fL, Women = 81–99fL
		Mean corpuscular hemoglobin (MCH) = 27–32 Pg
		Mean corpuscular hemoglobin concentration (MCHC) = 32–36%
6	Fragility of red cells	Starts at 0.45–0.38% Nacl
		Completes at 0.36–0.3% Nacl
7	Reticulocytes	0.2–2% of red cells
8	Hemoglobin (in blood)	Men = 14–18 gms/dL
		Women = 12–16 gms/dL
9	Hemoglobin (in serum)	2–3 mg/dL ...