Cardiovascular System Fundamentals Quiz

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What is the purpose of noninvasive ventilation?

To assist with chest tube insertion

To deliver medications directly into the lungs

To maintain a positive airway pressure and improve alveolar ventilation (correct)

To monitor blood pressure

Where is the thirst-control mechanism located?

Frontal lobe of the brain

Hypothalamus in the brain (correct)

Pons in the brainstem

Cerebellum

What hormone helps in regulating fluid balance by conserving water in the body?

Thyroid stimulating hormone (TSH)

Insulin

Antidiuretic hormone (ADH) (correct)

Cortisol

Which condition is characterized by 'water deficit' and hypertonicity?

Hypernatremia Signup and view all the answers

What electrolyte imbalance can lead to muscle weakness and cardiac arrhythmias?

Hypokalemia Signup and view all the answers

Which organ system is primarily responsible for excreting carbonic acid from the body?

Lungs Signup and view all the answers

What is the role of alveoli in the lungs?

Exchanging oxygen for carbon dioxide through the alveolar capillary membrane Signup and view all the answers

What is a common issue related to the inability to control the passage of feces and gas to the anus?

Incontinence Signup and view all the answers

Which process involves moving gases into and out of the lungs?

Ventilation Signup and view all the answers

What is the function of pulmonary circulation?

Moving blood to and from the alveolar capillary membrane for gas exchange Signup and view all the answers

What happens during systole in the myocardial pump?

Mitral and tricuspid valves close Signup and view all the answers

What describes coronary artery circulation?

Supplies the myocardium with nutrients and removes wastes Signup and view all the answers

What is the purpose of positioning for respiratory care?

To reduce pulmonary stasis and maintain ventilation and oxygenation Signup and view all the answers

Which technique encourages voluntary deep breathing in patients?

Incentive spirometry Signup and view all the answers

What is the purpose of cardiopulmonary resuscitation (CPR)?

To restore cardiopulmonary functioning during emergencies Signup and view all the answers

Which oxygen delivery method is used for higher concentrations of oxygen?

Plastic face mask with reservoir bag Signup and view all the answers

What is the key physiological indication for invasive mechanical ventilation?

To provide life-saving respiratory support Signup and view all the answers

In which situation is tracheostomy typically performed?

For long-term assistance with breathing Signup and view all the answers

What is the main function of artificial airways such as oral airways in respiratory care?

To maintain an open airway and prevent obstruction Signup and view all the answers

When would a simple face mask be typically used for oxygen therapy?

->In emergency situations or short-term therapy Signup and view all the answers

Which method of restoring cardiopulmonary functioning is used to save lives during emergencies?

Cardiopulmonary resuscitation (CPR) Signup and view all the answers

What is the primary purpose of incentive spirometry?

Encouraging deep breathing Signup and view all the answers