Lab Teaching and Instrumentation Flashcards
What is Helsinki declaration?
This is the proper care and use of animals for experiments
____________ is a connective tissue made up of Erythrocytes, Leukocytes and Thrombocytes
Blood
The embryonic stage of erythropoiesis sees red blood cells being produced in the ____________
Yolk sac
The Hepatic stage of erythropoiesis sees red blood cells being produced in the ______________
Liver, Spleen, Lymph nodes
The Myeloid stage of erythropoiesis sees red blood cells being produced in the ____________
Bone marrow
List 4 blood collection sites
Ball of the finger
Puncturing the skin
Ear lobe for adults
Through blood vessels
Outline the blood collection process
Disinfect the area with alcohol
Palpate the area
Puncture 3mm deep with Lancet or syringe
Allow free flow of blood into the capillary tube.
Wet surface allow for blood to form compact drops
________________, ________________, _______________ and _________________ are injection techniques
Intradermal
Hypodermal
Intravenous, and
Intramuscular
What are anticoagulants?
These are substances that prevent the clotting of blood
Blood thinner is another name for _____________
Anticoagulants
_______mg of Oxalate is sufficient to stop clotting of 5ml of blood
10
Heparin is a type of ______________
Anticoagulant
Heparin is produced commercially from _________________
Bovine lungs
What is packed cell volume (PCV)?
This is the percentage volume of red blood cells in a sample of blood
Packed cell volume is also called ___________
Hematocrit
Hematocrit can be used to diagnose blood disorders such as _________
Hypoxia
Systemic ischemia
Anaemia
__________________ and _________________ are the methods for PCV determination
Wintrobe method
Capillary tube method
The stoppage of bleeding after a blood vessel has been punctured, cut or damaged is called _______________
Hemostasis
What are the stages of hemostasis?
Vasoconstriction
Formation of platelet plug
Formation of clot
Fibrinolysis
The time interval between the puncture of a blood vessel to when there is cessation of bleeding is called ________________
Bleeding time
What is clotting time?
This is the time interval from when blood oozes out from an injury to the formation of clot
What is the normal range for bleeding time?
3-6 minutes
What is the normal range for clotting time?
3-8 minutes
________________, _______________ and _______________ are methods of assessing bleeding time
Duke’s method
Ivy’s method
Simplate