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Functions of Hemoglobin in the Human Body

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Functions of Hemoglobin in the Human Body

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Questions and Answers

What is the main function of hemoglobin?

Regulation of body temperature

Synthesis of antibodies

Transport of respiratory gases (correct)

Transport of nutrients from the intestines to the cells

What is the role of hemoglobin in blood group determination?

It carries antigens like A, B, and Rh factor (correct)

It helps in digestion

It produces red blood cells

It regulates blood pressure

What happens to senile red blood cells in the body?

They are destroyed in the reticuloendothelial system (correct)

They convert into white blood cells

They multiply rapidly

They become platelets

How does hemoglobin contribute to buffering action in blood?

By functioning as a good buffer and regulating hydrogen ion concentration Signup and view all the answers

What is the average hemoglobin content in adult males?

15 g/dL Signup and view all the answers

What is the function of hemoglobin in the transport of oxygen?

To combine with oxygen and form oxyhemoglobin Signup and view all the answers

Which component of blood carries oxygen from the lungs to the rest of the body?

Red blood cells (erythrocytes) Signup and view all the answers

What is the primary role of fibrinogen in blood?

Coagulation (clotting) of blood Signup and view all the answers

Which component forms about 55% of the total volume of blood?

Plasma Signup and view all the answers

What is the main function of hemoglobin in the body?

Carrying oxygen to tissues and organs Signup and view all the answers

Which of the following is NOT a component of plasma proteins?

Red blood cells (erythrocytes) Signup and view all the answers

What is the approximate percentage of water in plasma?

~90% Signup and view all the answers

What is the main function of hemoglobin as mentioned in the text?

Carrying oxygen from lungs to tissues Signup and view all the answers

Which part of hemoglobin is responsible for the buffer action in acid-base balance?

Iron-containing pigment Signup and view all the answers

What is the structural difference between adult hemoglobin (HbA) and fetal hemoglobin (HbF)?

Adult Hb has two beta chains, while fetal Hb has two gamma chains. Signup and view all the answers

What is the term used to describe hemoglobin after the release of oxygen?

Deoxygenated Hb Signup and view all the answers

What is the functional difference between adult hemoglobin (HbA) and fetal hemoglobin (HbF)?

Fetal Hb has more affinity for oxygen than adult Hb. Signup and view all the answers

Which of the following is a category of abnormal hemoglobin mentioned in the text?

Hemoglobinopathies Signup and view all the answers