Question 1

The structure that is responsible for returning oxygenated blood to the heart is the

Accepted Answer

A)  Pulmonary artery. 
B)  Pulmonary vein. 
C)  Superior vena cava. 
D)  Inferior vena cava. 
A)  Pulmonary artery. 
B)  Pulmonary vein. 
C)  Superior vena cava. 
D)  Inferior vena cava.

Question 2

Chemical receptors that stimulate inspiration are located in the

Accepted Answer

A)  Brain. 
B)  Lungs. 
C)  Aorta. 
D)  Heart. 
A)  Brain. 
B)  Lungs. 
C)  Aorta. 
D)  Heart.

Question 3

Normal cardiac output is 4 to 6 L/min in a healthy adult at rest.Which of the following is the correct formula to calculate cardiac output?

Accepted Answer

A)  Stroke volume ´ Heart rate 
B)  Stroke volume/Body surface area 
C)  Body surface area ´ Cardiac index 
D)  Heart rate/Stroke volume 
A)  Stroke volume ´ Heart rate 
B)  Stroke volume/Body surface area 
C)  Body surface area ´ Cardiac index 
D)  Heart rate/Stroke volume

Question 4

What assessment finding is the earliest sign of hypoxia?

Accepted Answer

A)  Restlessness 
B)  Decreased blood pressure 
C)  Cardiac dysrhythmias 
D)  Cyanosis 
A)  Restlessness 
B)  Decreased blood pressure 
C)  Cardiac dysrhythmias 
D)  Cyanosis

Question 5

The nurse would expect which change in cardiac output for a patient with fluid volume overload?

Accepted Answer

A)  Increased preload 
B)  Decreased afterload 
C)  Decreased tissue perfusion 
D)  Increased heart rate 
A)  Increased preload 
B)  Decreased afterload 
C)  Decreased tissue perfusion 
D)  Increased heart rate

Question 6

The nurse needs to closely monitor the oxygen status of an elderly patient undergoing anesthesia because of which age-related change?

Accepted Answer

A)  Decreased lung defense mechanisms may cause ineffective airway clearance. 
B)  Thickening of the heart muscle wall decreases cardiac output. 
C)  Decreased lung capacity makes proper anesthesia induction more difficult. 
D)  Alterations in mental status prevent patients' awareness of ineffective breathing. 
A)  Decreased lung defense mechanisms may cause ineffective airway clearance. 
B)  Thickening of the heart muscle wall decreases cardiac output. 
C)  Decreased lung capacity makes proper anesthesia induction more difficult. 
D)  Alterations in mental status prevent patients' awareness of ineffective breathing.

Question 7

A nurse caring for a patient with COPD knows that which oxygen delivery device is most appropriate?

Accepted Answer

A)  Nasal cannula 
B)  Simple face mask 
C)  Partial non-rebreather mask 
D)  Non-rebreather mask 
A)  Nasal cannula 
B)  Simple face mask 
C)  Partial non-rebreather mask 
D)  Non-rebreather mask

Question 8

Which nursing intervention is most effective in preventing hospital-acquired pneumonia in an elderly patient?

Accepted Answer

A)  Assist patient to cough, turn, and deep breathe every 2 hours. 
B)  Encourage patient to drink through a straw to prevent aspiration. 
C)  Discontinue humidification delivery device to keep excess fluid from lungs. 
D)  Monitor oxygen saturation, and frequently assess lung bases. 
A)  Assist patient to cough, turn, and deep breathe every 2 hours. 
B)  Encourage patient to drink through a straw to prevent aspiration. 
C)  Discontinue humidification delivery device to keep excess fluid from lungs. 
D)  Monitor oxygen saturation, and frequently assess lung bases.

Question 9

The nurse is assessing a patient with emphysema.Which assessment finding requires further follow-up with the physician?

Accepted Answer

A)  Clubbing of the fingers 
B)  Increased anterior-posterior diameter of the chest 
C)  Hemoptysis 
D)  Tachypnea 
A)  Clubbing of the fingers 
B)  Increased anterior-posterior diameter of the chest 
C)  Hemoptysis 
D)  Tachypnea

Question 10

The nurse knows that the most effective method for suctioning a patient with a tracheostomy tube is to

Accepted Answer

A)  Set suction regulator at 150 to 200 mm Hg. 
B)  Liberally lubricate the end of the suction catheter with a water-soluble solution. 
C)  Limit the length of suctioning to 10 to 15 seconds. 
D)  Apply suction while gently rotating and inserting the catheter. 
A)  Set suction regulator at 150 to 200 mm Hg. 
B)  Liberally lubricate the end of the suction catheter with a water-soluble solution. 
C)  Limit the length of suctioning to 10 to 15 seconds. 
D)  Apply suction while gently rotating and inserting the catheter.

Question 11

A patient with COPD asks the nurse why he is having increased difficulty with his fine motor skills,such as buttoning his shirt.Which response by the nurse is most therapeutic?

Accepted Answer

A)  "Your body isn't receiving enough oxygen to send down to your fingers; this causes them to club and makes dexterity difficult." 
B)  "Your disease process makes even the smallest tasks seem exhausting. Try taking a nap before getting dressed." 
C)  "Often patients with your disease lose mental status and forget how to perform daily tasks." 
D)  "Your disease affects both your lungs and your heart, and not enough blood is being pumped. So you are losing sensory feedback in your extremities." 
A)  "Your body isn't receiving enough oxygen to send down to your fingers; this causes them to club and makes dexterity difficult." 
B)  "Your disease process makes even the smallest tasks seem exhausting. Try taking a nap before getting dressed." 
C)  "Often patients with your disease lose mental status and forget how to perform daily tasks." 
D)  "Your disease affects both your lungs and your heart, and not enough blood is being pumped. So you are losing sensory feedback in your extremities."

Question 12

The nurse determines that an elderly patient is at risk for infection due to decreased immunity.Which plan of care best addresses the prevention of infection for the patient?

Accepted Answer

A)  Encourage the patient to stay up to date on all vaccinations. 
B)  Inform the patient of the importance of finishing the entire dose of antibiotics. 
C)  Schedule patient to get annual tuberculosis skin testing. 
D)  Create an exercise routine to run 30 minutes every day. 
A)  Encourage the patient to stay up to date on all vaccinations. 
B)  Inform the patient of the importance of finishing the entire dose of antibiotics. 
C)  Schedule patient to get annual tuberculosis skin testing. 
D)  Create an exercise routine to run 30 minutes every day.

Question 13

A nurse is assisting a patient with ambulation.The patient becomes short of breath and begins to complain of sharp chest pain.Which action by the nurse is the first priority?

Accepted Answer

A)  Call for the emergency response team to bring the defibrillator. 
B)  Have the patient sit down in the nearest chair. 
C)  Return the patient to the room and apply 100% oxygen. 
D)  Ask a coworker to get the ECG machine STAT. 
A)  Call for the emergency response team to bring the defibrillator. 
B)  Have the patient sit down in the nearest chair. 
C)  Return the patient to the room and apply 100% oxygen. 
D)  Ask a coworker to get the ECG machine STAT.

Question 14

The nurse caring for a patient with ischemia to the left coronary artery would expect to find

Accepted Answer

A)  Increased ventricular diastole. 
B)  Increased stroke volume. 
C)  Decreased preload. 
D)  Decreased afterload. 
A)  Increased ventricular diastole. 
B)  Increased stroke volume. 
C)  Decreased preload. 
D)  Decreased afterload.

Question 15

The nurse is careful to monitor a patient's cardiac output because this helps the nurse to determine

Accepted Answer

A)  Peripheral extremity circulation. 
B)  Oxygenation requirements. 
C)  Cardiac arrhythmias. 
D)  Ventilation status. 
A)  Peripheral extremity circulation. 
B)  Oxygenation requirements. 
C)  Cardiac arrhythmias. 
D)  Ventilation status.

Question 16

The nurse expects a patient with angina pectoris to

Accepted Answer

A)  Experience feelings of indigestion after eating a heavy meal. 
B)  Have decreased oxygen saturation during rest. 
C)  Hypoventilate during periods of acute stress. 
D)  Complain of tingling in the left arm that lasts throughout the morning. 
A)  Experience feelings of indigestion after eating a heavy meal. 
B)  Have decreased oxygen saturation during rest. 
C)  Hypoventilate during periods of acute stress. 
D)  Complain of tingling in the left arm that lasts throughout the morning.

Question 17

The nurse knows that the primary function of the alveoli is to

Accepted Answer

A)  Carry out gas exchange. 
B)  Store oxygen. 
C)  Regulate tidal volume. 
D)  Produce hemoglobin. 
A)  Carry out gas exchange. 
B)  Store oxygen. 
C)  Regulate tidal volume. 
D)  Produce hemoglobin.

Question 18

A nurse is caring for a patient who suffered a myocardial infarction to the left coronary artery.Upon assessment,the nurse expects to find

Accepted Answer

A)  Blood in the sputum. 
B)  Distended jugular vein. 
C)  Peripheral edema. 
D)  Crackles in the lungs. 
A)  Blood in the sputum. 
B)  Distended jugular vein. 
C)  Peripheral edema. 
D)  Crackles in the lungs.

Question 19

The nurse would expect a patient with right-sided heart failure to have which of the following?

Accepted Answer

A)  Peripheral edema 
B)  Basilar crackles 
C)  Chest pain 
D)  Cyanosis 
A)  Peripheral edema 
B)  Basilar crackles 
C)  Chest pain 
D)  Cyanosis

Question 20

A nurse is caring for a patient with COPD who is in recovery for a myocardial infarction.Which of the following nursing actions is the priority?

Accepted Answer

A)  Place the patient on continuous cardiac monitoring. 
B)  Put the patient on 6 L/min of oxygen via nasal cannula. 
C)  Deep suction the patient every 2 hours. 
D)  Assess bilateral lung sounds every hour. 
A)  Place the patient on continuous cardiac monitoring. 
B)  Put the patient on 6 L/min of oxygen via nasal cannula. 
C)  Deep suction the patient every 2 hours. 
D)  Assess bilateral lung sounds every hour.

Exam 88: Oxygenation

The structure that is responsible for returning oxygenated blood to the heart is the

Chemical receptors that stimulate inspiration are located in the

Normal cardiac output is 4 to 6 L/min in a healthy adult at rest.Which of the following is the correct formula to calculate cardiac output?

What assessment finding is the earliest sign of hypoxia?

The nurse would expect which change in cardiac output for a patient with fluid volume overload?

The nurse needs to closely monitor the oxygen status of an elderly patient undergoing anesthesia because of which age-related change?

A nurse caring for a patient with COPD knows that which oxygen delivery device is most appropriate?

Which nursing intervention is most effective in preventing hospital-acquired pneumonia in an elderly patient?

The nurse is assessing a patient with emphysema.Which assessment finding requires further follow-up with the physician?

The nurse knows that the most effective method for suctioning a patient with a tracheostomy tube is to

A patient with COPD asks the nurse why he is having increased difficulty with his fine motor skills,such as buttoning his shirt.Which response by the nurse is most therapeutic?

The nurse determines that an elderly patient is at risk for infection due to decreased immunity.Which plan of care best addresses the prevention of infection for the patient?

A nurse is assisting a patient with ambulation.The patient becomes short of breath and begins to complain of sharp chest pain.Which action by the nurse is the first priority?

The nurse caring for a patient with ischemia to the left coronary artery would expect to find

The nurse is careful to monitor a patient's cardiac output because this helps the nurse to determine

The nurse expects a patient with angina pectoris to

The nurse knows that the primary function of the alveoli is to

A nurse is caring for a patient who suffered a myocardial infarction to the left coronary artery.Upon assessment,the nurse expects to find

The nurse would expect a patient with right-sided heart failure to have which of the following?

A nurse is caring for a patient with COPD who is in recovery for a myocardial infarction.Which of the following nursing actions is the priority?

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