#1
Which of the following is not a function of the cardiovascular system?
Producing insulin
ExplanationCardiovascular system is not responsible for insulin production.
#2
Which chamber of the heart receives oxygenated blood from the lungs?
Left atrium
ExplanationLeft atrium receives oxygenated blood from the lungs.
#3
Which of the following is not a component of blood?
Antibodies
ExplanationAntibodies are not a component of blood.
#4
What is the average heart rate of a resting adult?
60-100 beats per minute
ExplanationResting adult's heart rate averages 60-100 beats per minute.
#5
Which of the following is not a symptom of a heart attack?
Nausea or vomiting
ExplanationNausea or vomiting is not a symptom of a heart attack.
#6
What is the main function of the cardiovascular system?
To deliver oxygen and nutrients to the body's tissues
ExplanationMain function is to deliver oxygen and nutrients to tissues.
#7
Which blood vessels carry blood away from the heart?
Arteries
ExplanationArteries carry blood away from the heart.
#8
Which of the following is a risk factor for cardiovascular disease?
Smoking
ExplanationSmoking is a risk factor for cardiovascular disease.
#9
What is the term for the process by which oxygen is transported from the lungs to the body tissues?
Diffusion
ExplanationOxygen is transported via diffusion from lungs to tissues.
#10
Which of the following statements about arteries is false?
Arteries have valves to prevent backflow of blood
ExplanationArteries do not have valves to prevent backflow of blood.
#11
What is the term for the force exerted by circulating blood against the walls of blood vessels?
Blood pressure
ExplanationBlood pressure is the force exerted by circulating blood.
#12
Which of the following is not a function of the lymphatic system?
Producing hormones that regulate blood pressure
ExplanationLymphatic system does not produce hormones regulating blood pressure.
#13
Which of the following is a function of the cardiovascular system in relation to the kidneys?
Regulating blood pressure
ExplanationCardiovascular system helps regulate blood pressure in kidneys.
#14
Which of the following is not a function of the cardiovascular system in relation to the brain?
Producing cerebrospinal fluid
ExplanationCardiovascular system does not produce cerebrospinal fluid for the brain.
#15
Which of the following is a function of the cardiovascular system in relation to the skin?
Regulating body temperature
ExplanationCardiovascular system helps regulate body temperature through the skin.