#1
Which of the following is NOT a function of the respiratory system?
Exchange gases (oxygen and carbon dioxide) in the lungs
Regulate blood pH
Produce and distribute hormones
Filtering air before it enters the lungs
#2
Which blood vessel carries deoxygenated blood from the heart to the lungs?
Pulmonary artery
Pulmonary vein
Aorta
Coronary artery
#3
Which of the following is a risk factor for developing cardiovascular disease?
Regular physical activity
High blood pressure
Low LDL cholesterol levels
Healthy diet low in saturated fats
#4
What is the role of the sinoatrial (SA) node in the heart?
Conduction of electrical impulses to the ventricles
Regulation of blood pressure
Initiation of the heart's electrical impulse
Prevention of backflow of blood
#5
What is the term for the medical procedure used to visualize the inside of blood vessels and organs of the body, such as the coronary arteries?
Angiogram
Bronchoscopy
Endoscopy
Colonoscopy
#6
Which of the following is a common side effect of beta-blockers used in cardiovascular care?
Hypertension
Tachycardia
Bradycardia
Hyperglycemia
#7
What is the main function of alveoli in the lungs?
Produce mucus to trap foreign particles
Exchange oxygen and carbon dioxide with the blood
Regulate airflow into the lungs
Pump oxygenated blood to the rest of the body
#8
Which condition is characterized by inflammation and narrowing of the airways, leading to wheezing, coughing, and shortness of breath?
Pneumonia
COPD (Chronic Obstructive Pulmonary Disease)
Asthma
Emphysema
#9
Which layer of the heart wall is responsible for the heart's pumping action?
Epicardium
Endocardium
Myocardium
Pericardium
#10
What is the term for the accumulation of fatty deposits on the inner walls of arteries?
Thrombosis
Atherosclerosis
Embolism
Arrhythmia
#11
What is the primary function of the cardiovascular system?
Filtering waste from the blood
Transporting oxygen and nutrients to cells
Producing hormones that regulate metabolism
Supporting the body's skeletal structure
#12
Which of the following is a risk factor for developing pulmonary embolism?
High levels of HDL cholesterol
Regular physical activity
Recent surgery or prolonged immobility
Maintaining a healthy weight
#13
What is the term for the volume of blood pumped by the heart per minute?
Cardiac output
Stroke volume
Heart rate
Blood pressure
#14
Which of the following is NOT a symptom of a heart attack?
Chest pain or discomfort
Shortness of breath
Profuse sweating
Hypertension
#15
What is the term for the condition in which the heart's electrical impulses are disorganized, leading to an irregular heartbeat?
Bradycardia
Atrial fibrillation
Ventricular tachycardia
Myocardial infarction
#16
Which of the following is a common complication of untreated hypertension?
Aortic dissection
Hypoglycemia
Rheumatoid arthritis
Gastric ulcer
#17
Which of the following is a common medication used to treat hypertension?
Aspirin
Insulin
Losartan
Ibuprofen