30 Questions
What is the primary function of haemoglobin in the human body?
To transport oxygen from the lungs to the body tissues
What is the molecular weight of haemoglobin?
64.5KDa
What is the iron content of haemoglobin per 100 grams?
0.347gm/100g
What is the colour of sulphhaemoglobin?
Green
Which of the following forms of haemoglobin is irreversible?
Sulphhaemoglobin
What is the amount of oxygen that can be carried by one gram of haemoglobin?
1.34ml of oxygen
What is the primary function of haemoglobin in the blood?
To deliver oxygen to the tissues and remove carbon dioxide from the lungs
What is the normal range of haemoglobin concentration in adult males?
13-18 g/dl
What is methaemoglobin?
A variant of haemoglobin with iron in the ferric state
Why is haemoglobin estimation important in blood transfusions?
To study changes in haemoglobin concentration after blood transfusions
What type of blood samples are required for haemoglobin estimation?
Capillary blood from finger prick and intravenous sample in EDTA
What is the main reason for not using liquid anticoagulants in haemoglobin estimation?
They dilute and decrease Hb concentration
What is the normal range of haemoglobin concentration in full-term cord blood?
13-19 g/dl
Which method of haemoglobin estimation is based on the measurement of the O2-carrying capacity of Hb?
Gasometric method
What is the purpose of the WHO Haemoglobin Color Scale?
To compare the color developed with a printed scale of colour
In which type of laboratories is the gasometric method used?
Referral or research laboratories
What is the range of normal specific gravity of blood?
1.048-1.066
Which method of haemoglobin estimation is used only for research purposes?
Chemical method
What is the primary factor that determines bleeding time?
Integrity of platelets and vessel walls
What is the normal range of clotting time?
3-10 minutes
What is the purpose of using a sterile lancet in Duke's method?
To prevent infection
What is the significance of mopping the blood with a filter paper in Duke's method?
To measure bleeding time
Which of the following conditions is associated with a prolonged bleeding time?
Haemophilia
What is the purpose of using rectified spirit in Duke's method?
To disinfect the finger tip
What is the primary function of anxiety in its healthy form?
To help individuals perform at their top form in new situations
Which level of anxiety is characterized by irritability and decreased confidence?
Moderate +2
What is the recommended intervention for severe anxiety?
Decrease anxiety and stimuli, use simple directions, and medication
What is the typical response of an individual experiencing panic anxiety?
Ready for flight or fight
Which of the following is NOT a characteristic of mild anxiety?
Hypersensitivity
What is the primary goal of intervention in moderate anxiety?
To decrease anxiety and improve focus
This quiz coversbiology and psychology topics, including the role of anxiety in performance and the composition of hemoglobin in red blood cells.
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