ATI RN
Cardiovascular System Exam Questions
1. This is a test that measures the oxygen saturation level in the blood, often used to assess respiratory function.
- A. Pulse oximetry
- B. Spirometry
- C. Arterial blood gas (ABG)
- D. Lung function test
Correct answer: A
Rationale: The correct answer is A, Pulse oximetry. Pulse oximetry is a non-invasive test that measures the oxygen saturation level in the blood, helping to assess respiratory and cardiovascular function. Choice B, Spirometry, measures lung function by assessing airflow and volume. Choice C, Arterial blood gas (ABG), evaluates the acidity, oxygen, and carbon dioxide levels in the blood. Choice D, Lung function test, is a broad term that may include various tests to assess lung health, but specifically measuring oxygen saturation is done through pulse oximetry.
2. The client on atorvastatin (Lipitor) should be advised to report which of the following symptoms?
- A. Muscle pain
- B. Headache
- C. Nausea
- D. Dizziness
Correct answer: A
Rationale: The correct answer is A: Muscle pain. Muscle pain can be a sign of rhabdomyolysis, a serious side effect of statins like atorvastatin. Rhabdomyolysis is a condition where muscle fibers break down rapidly and release their contents into the bloodstream, which can lead to kidney damage. Headache, nausea, and dizziness are not commonly associated with atorvastatin use and are less likely to indicate a serious adverse reaction compared to muscle pain.
3. What is an infection that causes inflammation in the air sacs of one or both lungs, which may fill with fluid or pus?
- A. Pneumonia
- B. Tuberculosis
- C. Pleurisy
- D. Pulmonary edema
Correct answer: A
Rationale: The correct answer is A, Pneumonia. Pneumonia is an infection that inflames the air sacs in one or both lungs, which may fill with fluid or pus, causing symptoms like cough, fever, chills, and difficulty breathing. Tuberculosis (B) is a bacterial infection that primarily affects the lungs but is caused by a different bacterium. Pleurisy (C) is inflammation of the tissues that line the lungs and chest cavity, not the air sacs. Pulmonary edema (D) is a condition where fluid accumulates in the lungs' air sacs but is often due to heart problems rather than an infection.
4. What is a condition where a blood clot forms in a vein, often in the legs, which can cause pain and swelling and may lead to serious complications if it travels to the lungs?
- A. Deep vein thrombosis (DVT)
- B. Pulmonary embolism
- C. Varicose veins
- D. Aneurysm
Correct answer: A
Rationale: Deep vein thrombosis (DVT) is the correct answer. It is a condition where a blood clot forms in a deep vein, usually in the legs. If the clot breaks loose and travels to the lungs, it can cause a pulmonary embolism. Varicose veins are enlarged, twisted veins that are not typically associated with blood clots. Aneurysm is the abnormal swelling or bulging of a blood vessel.
5. What is a severe allergic reaction that can cause difficulty breathing and shock?
- A. Anaphylaxis
- B. Asthma attack
- C. Bronchospasm
- D. Hypersensitivity
Correct answer: A
Rationale: Anaphylaxis is the correct answer. It is a severe, potentially life-threatening allergic reaction that can lead to difficulty breathing, low blood pressure, and loss of consciousness. An asthma attack is a separate condition characterized by narrowed airways and difficulty breathing, but it is not necessarily related to an allergic reaction like anaphylaxis. Bronchospasm refers to the sudden constriction of muscles in the bronchi, leading to breathing difficulties, and is not specific to allergic reactions. Hypersensitivity is a general term for an exaggerated immune response to a substance, which may or may not manifest as severe allergic reactions like anaphylaxis.
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