#1
Which of the following is a primary function of the cardiovascular system?
Transportation of oxygen and nutrients
ExplanationTransporting oxygen and nutrients through the body.
#2
What is the main function of hemoglobin in the blood?
Carrying oxygen to tissues
ExplanationHemoglobin carries oxygen to tissues in the blood.
#3
Which valve separates the left atrium from the left ventricle in the heart?
Mitral valve
ExplanationThe mitral valve separates the left atrium from the left ventricle.
#4
What is the medical term for the process of stopping bleeding?
Hemostasis
ExplanationThe medical term for the process of stopping bleeding is hemostasis.
#5
What is the primary function of the pericardium in the heart?
Providing a protective sac around the heart
ExplanationThe pericardium provides a protective sac around the heart.
#6
What is the normal range for adult resting heart rate?
60-80 beats per minute
ExplanationNormal adult resting heart rate falls between 60-80 beats per minute.
#7
Which blood component is responsible for clotting and preventing excessive bleeding?
Platelets
ExplanationPlatelets are responsible for clotting and preventing excessive bleeding.
#8
Which condition is characterized by an abnormal decrease in the number of platelets in the blood?
Thrombocytopenia
ExplanationThrombocytopenia is characterized by a decrease in platelet count.
#9
What is the primary function of the sinoatrial (SA) node in the heart?
Initiating the heartbeat
ExplanationThe SA node initiates the heartbeat in the heart.
#10
What is the term for the process of blood cell formation?
Hematopoiesis
ExplanationThe process of blood cell formation is called hematopoiesis.
#11
What is the medical term for high blood pressure?
Hypertension
ExplanationHigh blood pressure is medically known as hypertension.
#12
Which of the following is a risk factor for cardiovascular disease?
Smoking
ExplanationSmoking is a risk factor for cardiovascular disease.
#13
Which blood type is considered the universal donor?
O
ExplanationBlood type O is considered the universal donor.
#14
What is the primary role of anticoagulant medications in cardiovascular care?
Preventing blood clot formation
ExplanationAnticoagulant medications primarily prevent blood clot formation.
#15
What is the primary role of erythropoietin in the body?
Stimulating red blood cell production
ExplanationErythropoietin stimulates red blood cell production in the body.