Composition of Blood Plasma

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What is the main function of plasma in the blood?

Acting as a clotting factor

Regulating water content in the blood (correct)

Transporting nutrients throughout the body

Producing red blood cells

Which protein present in plasma serves as a transport protein for some hormones?

Globulin (correct)

Fibrinogen

Hemoglobin

Albumin

What is the primary function of red blood cells?

To produce plasma

To act as clotting factors

To regulate water in the blood

To carry oxygen and carbon dioxide (correct)

What gives red blood cells their biconcave shape?

Hemoglobin Signup and view all the answers

Which component of the blood is responsible for gas exchange at the lungs?

Red blood cells Signup and view all the answers

What happens to the carbon dioxide molecules in red blood cells after being collected?

They bind to globin part of RBCs Signup and view all the answers

Where does erythropoiesis occur?

Bone marrow Signup and view all the answers

Which organ helps in breaking down globin into amino acids?

Spleen Signup and view all the answers

What is the function of the pulmonary valve in the heart?

Pump blood to the lungs Signup and view all the answers

What is the main role of the vena cava in the human transport system?

Transport deoxygenated blood to the right atrium Signup and view all the answers

Which part of the heart divides it into two sides?

Septum Signup and view all the answers

What is the process responsible for acquiring oxygen and expelling carbon dioxide?

Ventilation Signup and view all the answers

What is the main function of external respiration?

Physical movement of gas in and out of the lungs Signup and view all the answers

During inspiration, what happens to the pressure in the lungs according to Boyle's law?

Increases as volume decreases Signup and view all the answers

What is the function of the diaphragm during inspiration?

Pushes or pulls the lungs to accommodate gas Signup and view all the answers

Which muscle is responsible for expanding the lungs during inspiration?

External intercostal muscle Signup and view all the answers

What is influenced directly by expiration?

Pressure in the lungs Signup and view all the answers

During external respiration, what occurs with the movement of gas?

Gas moves out of the lungs Signup and view all the answers

What is the role of stomach acid in the innate immune system?

It destroys the cell wall and organelles of bacteria due to its low pH Signup and view all the answers

What is the function of monocytes in the innate immune system?

They act as the primary stage of phagocytes Signup and view all the answers

How do dendritic cells contribute to the innate immune response?

By capturing pathogens and alerting other defense cells Signup and view all the answers

Which mechanism is responsible for pushing foreign substances downward in the body?

Peristaltic movement of the esophagus Signup and view all the answers

How do 'good' bacteria contribute to innate immunity?

They feed on pathogens and help in negating their activity Signup and view all the answers

What is the primary function of mast cells in the innate immune system?

To alert other defense cells about potential infections Signup and view all the answers

What is the main function of neutrophils in the body?

Chase pathogens in the bloodstream Signup and view all the answers

What is the role of histamine in the inflammatory response?

Thicken blood vessels Signup and view all the answers

Which step in the inflammatory response involves the release of cytokines by mast cells?

Step #2: Chemotaxis Signup and view all the answers

What is the function of fibrin in the inflammatory response?

Promote blood clotting Signup and view all the answers

Which cell type comes to the scene after the pathogen has been eliminated to patch up the wound?

Platelets Signup and view all the answers

What bodily response to infection heightens body temperature to kill pathogens?

Fever Signup and view all the answers