Cardiopulmonary Physiology and Diagnostic Procedures Quiz

Explore questions on heart, lungs, and diagnostic procedures. Assess your understanding of cardiopulmonary physiology now!

#1

Which chamber of the heart is responsible for pumping oxygenated blood to the body?

Right atrium
Left atrium
Right ventricle
Left ventricle
#2

Which hormone is responsible for regulating the water and electrolyte balance in the body by influencing the kidneys?

Insulin
Cortisol
Aldosterone
Thyroxine
#3

What is the primary function of the cardiovascular system?

Filtering waste from the blood
Transporting oxygen and nutrients to cells
Producing hormones for growth
Digesting food
#4

Which part of the brainstem is responsible for controlling basic respiratory functions like breathing rate and rhythm?

Medulla oblongata
Pons
Cerebellum
Hypothalamus
#5

What is the term for the maximum amount of air a person can exhale forcefully after taking a deep breath?

Tidal volume
Vital capacity
Residual volume
Inspiratory reserve volume
#6

During inhalation, which muscle contracts to increase the volume of the thoracic cavity?

Diaphragm
Intercostal muscles
Abdominal muscles
Pectoral muscles
#7

What is the primary function of the alveoli in the lungs?

Gas exchange
Mucus production
Blood filtration
Air conditioning
#8

During which phase of the cardiac cycle does the ventricular pressure exceed the atrial pressure, leading to the closure of the atrioventricular valves?

Isovolumetric contraction
Ejection phase
Isovolumetric relaxation
Rapid ventricular filling
#9

What is the primary function of surfactant in the lungs?

Enhancing oxygen transport
Preventing alveolar collapse
Regulating blood flow
Producing mucus
#10

Which of the following is a common symptom of pulmonary edema?

Chest pain
Shortness of breath
Excessive sweating
Joint stiffness
#11

During exercise, what happens to the cardiac output?

Increases
Decreases
Remains constant
Becomes erratic
#12

Which diagnostic procedure is commonly used to visualize blood flow through the heart and major blood vessels?

MRI (Magnetic Resonance Imaging)
CT scan (Computed Tomography)
Echocardiography
X-ray angiography
#13

What is the normal range for the partial pressure of oxygen (PaO2) in arterial blood?

60-80 mmHg
90-100 mmHg
20-30 mmHg
120-140 mmHg
#14

Which of the following is a non-invasive test commonly used to assess lung function and diagnose respiratory disorders?

Bronchoscopy
Pulmonary angiography
Spirometry
Thoracentesis
#15

What is the primary role of the sinoatrial (SA) node in the heart?

Initiating the electrical impulse for the heartbeat
Conducting electrical signals through the atria
Regulating blood pressure
Contracting the ventricles
#16

Which gas is primarily responsible for the exchange of oxygen and carbon dioxide in the alveoli?

Nitrogen
Oxygen
Carbon monoxide
Carbon dioxide
#17

In a healthy individual, which factor primarily determines blood viscosity?

Red blood cell count
Plasma volume
Hemoglobin concentration
Platelet count

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