extras Flashcards
What are the main components of blood?
Red blood cells, white blood cells, platelets, and plasma.
True or False: Hemoglobin is responsible for transporting oxygen in the blood.
True.
What is the primary function of red blood cells?
To transport oxygen from the lungs to the body’s tissues.
Which type of blood cell is primarily involved in the immune response?
White blood cells.
What are the four heart valves?
Aortic valve, pulmonary valve, mitral valve, and tricuspid valve.
Multiple Choice: Which component of blood is primarily responsible for blood clotting? A) Plasma B) Platelets C) White blood cells D) Red blood cells
B) Platelets.
True or False: Plasma makes up about 55% of blood volume.
True.
What is the role of hemoglobin in blood?
To bind and transport oxygen.
Fill in the blank: The heart has __________ chambers.
four.
What is the function of the aortic valve?
To prevent backflow of blood from the aorta into the left ventricle.
Multiple Choice: Which blood component helps fight infections? A) Platelets B) Plasma C) Red blood cells D) White blood cells
D) White blood cells.
What triggers the clotting process in blood?
Injury to a blood vessel.
True or False: The pulmonary valve is located between the right ventricle and the pulmonary artery.
True.
What is the function of platelets?
To help in the clotting process.
What is the primary role of white blood cells?
To defend the body against infection.
Multiple Choice: What is the fluid component of blood called? A) Hemoglobin B) Plasma C) Serum D) Lymph
B) Plasma.
True or False: Blood is composed of only liquid components.
False.
What is the significance of the tricuspid valve?
It controls blood flow from the right atrium to the right ventricle.
Fill in the blank: Oxygen is carried from the lungs to the tissues by __________.
red blood cells.
What is the relationship between hemoglobin and carbon dioxide?
Hemoglobin also helps transport carbon dioxide from tissues back to the lungs.
True or False: The heart pumps oxygenated blood to the body and deoxygenated blood to the lungs.
True.
