2181249
Pregunta 1
Pregunta
A nurse is assessing a client who has an acute respiratory infection that puts her at risk for hypoxemia. Which of the following findings are early indications that should alert the nurse that the client is developing hypoxemia? (Select all that apply.)
Respuesta
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Restlessness
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Tachypnea
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Bradycardia
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Confusion
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Pallor
Pregunta 2
Pregunta
A nurse is caring for a client who is having difficulty breathing. The client is lying in bed and is already receiving oxygen therapy via nasal cannula. Which of the following interventions is the nurse’s priority?
Respuesta
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Increase the oxygen flow.
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Assist the client to Fowler’s position.
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Promote removal of pulmonary secretions.
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Obtain a specimen for arterial blood gases.
Pregunta 3
Pregunta
A nurse is preparing to perform endotracheal suctioning for a client. Which of the following are appropriate guidelines for the nurse to follow? (Select all that apply.)
Respuesta
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Apply suction while withdrawing the catheter.
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Perform suctioning on a routine basis, every 2 to 3 hr.
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Maintain medical asepsis during suctioning.
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Use a new catheter for each suctioning attempt.
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Limit suctioning to two to three attempts.
Pregunta 4
Pregunta
A nurse is caring for a client who has a tracheostomy. Which of the following actions should the nurse take each time he provides tracheostomy care? (Select all that apply.)
Respuesta
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Apply the oxygen source loosely if the SpO2 decreases during the procedure.
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Use surgical asepsis to remove and clean the inner cannula.
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Clean the outer surfaces in a circular motion from the stoma site outward.
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Replace the tracheostomy ties with new ties.
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Cut a slit in gauze squares to place beneath the tube holder.
Pregunta 5
Pregunta
A provider is discharging a client with a prescription for home oxygen therapy via nasal cannula. Client and family teaching by the nurse should include which of the following instructions? (Select all that apply.)
Respuesta
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Apply petroleum jelly around and inside the nares.
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Remove the nasal cannula during mealtimes.
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Check the position of the cannula frequently.
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Report any nasal stuffiness, nausea, or fatigue.
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Post “no smoking” signs in a prominent location.
Pregunta 6
Pregunta
You are an ER nurse treating a 3-year-old trauma patient. When assessing the patient's respirations, you note that the rate is 28 per minute. According to this finding, you should
Respuesta
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move on to your next area of assessment. The patient's respirations are normal.
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call the respiratory therapist. The patient is hyperventilating.
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call the physician to see if he would like to order a bronchodilator.
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try to distract the patient and make them relax. They are tachypneic.
Pregunta 7
Pregunta
What does a pulmonary toilet do?
Respuesta
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Prevents atelectasis and removes respiratory secretions
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Prevents bronchospasm
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Thins and cleans blood to help prevent pulmonary emoblism.
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Dilates bronchioles and improves gas exchange.
Pregunta 8
Pregunta
Which of the following is NOT a technique to thin respiratory secretions?
Respuesta
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Drinking fluid
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Dosing mucolytic medication
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Controlled coughing
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Moderate activity
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Blowing nose regularly
Pregunta 9
Pregunta
Which of the following is a high-flow oxygen delivery system?
Respuesta
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Non-rebreather mask
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Nasal cannula
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Venturi mask
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Simple face mask.
Pregunta 10
Pregunta
How would you instruct patients to use an incentive spirometer and peak flow meter?
Respuesta
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Incentive= inhale; Peak flow= exhale
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Incentive= exhale, Peak flow= inhale
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Both require inhalation
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Both require exhalation.
Pregunta 11
Pregunta
Pursed lip breathing works well with what types of patients?
Respuesta
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COPD
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Pneumonia
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Lung cancer
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Cystic fibrosis
Pregunta 12
Pregunta
Which of the following is NOT a sign of anemia?
Respuesta
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Skin pallor
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Tachypnea and/or dyspnea
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Decreased hemoglobin
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Decreased hematocrit
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Bradycardia
Pregunta 13
Pregunta
Which of the following reflects the normal ranges for RBC count, hemoglobin, and hematocrit (respectively)?
Respuesta
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4.2-5.14 x 10(6) cells/ mm(3); 11.7-17.4 g/dL; 38- 44%
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3.1- 5.14 x 10(6) cells/ mm(3); 11.0- 17.0 g/dL; 38- 54%
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5.6- 7.9 x 10(6) cells/ mm(3); 12.3- 19.7 g/dL; 42- 51%
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3.6- 5.14 x 10(6) cells/mm(3); 11.7- 17.4 g/dL; 40- 48%
Pregunta 14
Pregunta
The amount of blood circulating and entering the right atrium is the
Respuesta
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Preload
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Afterload
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Stroke volume
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Cardiac output
Pregunta 15
Pregunta
Heart rate X Stroke volume=
Respuesta
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Preload
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Afterload
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Rate of perfusion
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Cardiac ouput
Pregunta 16
Pregunta
The pressure the heart must pump against is the
Respuesta
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Preload
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Afterload
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Stroke volume
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Cardiac ouput
Pregunta 17
Pregunta
Which of the following symptoms can indicate decreased cardiac output?
Respuesta
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Low hematocrit
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Low hemoglobin
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Low urine output
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Dyspnea
Pregunta 18
Pregunta
The SA node is found
Respuesta
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At the top of the right atrium
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At the top of the left atrium
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At the bottom of the right ventricle.
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Next to the tricuspid valve.
Pregunta 19
Pregunta
Which of the following correctly identifies the path of an electrical impulse through the heart?
Respuesta
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SA node --> AV junction --> HIS bundle --> bundle branches --> purkinjie fibers --> ventricular muscle
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AV junction --> SA node --> bundle branches --> HIS bundle --> purkinjie fibers --> ventricular muscle
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SA node --> HIS bundle --> AV junction --> purkinjie fibers --> bundle branches --> ventricular muscle
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SA node --> AV junction --> bundle branches --> HIS bundle --> purkinjie fibers --> ventricular muscle
Pregunta 20
Pregunta
The stroke volume of the heart increases in response to an increase in the volume of blood filling the heart (the end diastolic volume) when all other factors remain constant is also know as
Respuesta
-
Cardiac output
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Frank Starling Law of the Heart
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Afterload
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Preload
Pregunta 21
Pregunta
Which of the following is NOT a sign or symptom of heart failure?
Respuesta
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Weakness, fatigue
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Decreased exercise tolerance
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Dizziness, syncope
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Weight gain
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Dyspnea
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