18 Questions
What is the main function of erythrocytes?
To pick up oxygen from tissues and deliver it to the lungs
Which of the following is NOT a formed element of blood?
Plasma
What is another name for the field of clinical chemistry?
Chemical pathology
Which of the following is NOT a type of WBC?
Thrombocytes
What are the two main components of blood?
Plasma and Formed elements
Which blood component is responsible for aiding in blood clotting?
Platelets
What is the function of vascular spasm in blood?
To form platelet plugs
Why is anticoagulant used when collecting plasma for blood analysis?
To prevent coagulation of the blood sample
Which method of drawing blood is used for identification of respiratory and acid-base disorders?
Arterial sampling
What is the purpose of centrifuging blood at 2200-2500rpm for 10 minutes?
To separate blood components according to different densities
Why is potassium oxalate used in blood collection instead of heparin?
To preserve blood glucose levels
Which type of sampling procedure is preferred for reducing pain during blood collection?
Fingerstick sampling
What is the purpose of collecting blood after the patient has fasted?
To ensure accurate glucose and cholesterol analysis
Why is it important to maintain appropriate sample temperatures during blood storage?
To avoid degradation or alteration of the sample
What happens if blood is stored longer than 3 weeks?
It becomes less flexible and less effective at delivering oxygen-rich cells
Why are samples always brought to room temperature before analyzing?
To ensure accurate analysis results
What does adding mineral oil to the collecting tube achieve in carbon-di-oxide analysis preservation?
Covers the blood sample to prevent exposure to air
Why is using a cork stopper recommended when mineral oil is added to the collecting tube?
To prevent spillage of the mineral oil
Explore the fundamentals of clinical chemistry and blood analysis in this quiz by Dr. Ahmad Nauman Shah Saqib. Learn about the composition of blood, collection, preservation, and clinical analysis techniques.
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