Lab Teaching And Instrumentation Flashcards
The WBC, RBC, and platelets make up a connective tissue known as?
The blood
In early weeks of embryonic life, RBC is produced in?
The yolk sac
During normal circumstances humans, blood is produced in?
The bone marrow
Oxalate, heparin, Sodium citrate, and EDTA, are all examples of?
Anticoagulants
Examples of injection techniques?
- Intradermal injection
- Hypodermal injection
- Intramuscular injection
- Intravenous injection
Mention 5 laboratory rules
- Don’t eat or drink in the laboratory unless you are told to do so in which case it might be experiment..
- Correct labelling of all glasswares or result tracing
- Handle sharp objects carefully
- Dispose used items appropriately
- In case of injury or accident, call attention of the lecturer
The process by which RBC develop numerous protection from their surface due to shrinking in osmosis is called?
Crenation
The ratio of blood to the weight of volume of water at 4°C is known as
Specific gravity of blood
Another name for hematocrit is?
Packed cell volume
The 2 methods of determining PCV include?
- Winthrobe method
- Capillary tube method
During blood testing experiments such as hematocrit, what is used to prevent clotting?
Heparinzed capillary tube
The process of stopping bleeding after a blood vessel is injured is called?
Hemostasis
Hemostasis is a homeostatic process,
True or False?
True
The stages of hemostasis include;
- Vasoconstriction
- Platelet plug formation
- Formation of blood clot
- Fibrinolysis
The process of dissolution of blood clot is known as?
Fibrinolysis
The time interval between when a blood vessel is punctured and when bleeding ceases is known as?
Bleeding time
The time interval from oozing of blood after a cut till formation of blood clot is?
Clotting time
Duke’s method, Ivy’s method, and Simplate are all methods for assessing?
Bleeding time
The possession of certain antigens and antibodies in the cell membrane of RBC is the reason for blood group factors.
True or False?
True
Antisera A is what colour?
Blue
Antisera B is what colour?
Yellow
A person whose RBC have no antigen and antibody belongs to what blood group?
O - negative
A person whose RBC have both A and B antigens and antibodies belongs to what blood group?
AB+
Thromboplastin is prepared from ?
Human or Rabbit brain tissues
The rate at which RBC settle down below the plasma is known as
Erythrocyte sedimentation rate
The length of the clear fluid at the top of the tube after 1hr is what .. and it is measured in
Erythrocyte sedimentation rate
It is measured in mm/hr
The length of the clear fluid at the top of the tube after 1hr is what .. and it is measured in
Erythrocyte sedimentation rate
It is measured in mm/hr
List 20 laboratory equipments, you know?
- Sphygmomanometer
- Sahli’s haemoglobinometer
- Centrifuge
- Stethoscope
- Spectrophotometer
- Peakflow meter
- Spirometer
- Vitalograph
- Hemocytometer
- Electrocardiograph
- Hemo-analyser
- Kymopgraph
- Physiograph
- Patella hammer
- Thermometer
- Capillary tube
- Westergren apparatus
- Pippete
- Test tube roller
- Antisera (A,B &D)
Peakflow meter, vitalograph, and spirometer, are used to measure?
Lung functions tests
The laboratory equipment used to measure temperature of a body or object is called?
A Thermometer
The laboratory equipment used to study the heart rhythm and electrical activities is called?
Electrocardiograph