Question 1

A 64-year-old patient is seen in the emergency department for palpitations and mild shortness of breath.The electrocardiogram reveals a normal P wave,P-R interval,and QRS complex with a regular rhythm and a rate of 108 beats per minute.The nurse should recognize this as which type of cardiac dysrhythmia?

Accepted Answer

A)  Sinus dysrhythmia 
B)  Sinus tachycardia 
C)  Supraventricular tachycardia 
D)  Ventricular tachycardia

Question 2

It is suspected that the patient's oxygenation status is deteriorating.The nurse is aware that which abnormal assessment finding represents the most serious indication of the patient's decreased oxygenation?

Accepted Answer

A)  Poor skin turgor 
B)  Clubbing of the nails 
C)  Central cyanosis 
D)  Pursed-lip breathing

Question 3

The nurse has reviewed information about the cardiovascular system before caring for a patient with heart disease.The nurse knows that which of the following statements is true concerning the physiology of the cardiovascular system?

Accepted Answer

A)  Stimulating the parasympathetic system would cause the heart rate to increase. 
B)  When a person has heart muscle disease, the heart muscles stretch as far as is necessary to maintain function. 
C)  The QRS interval on the electrocardiogram represents the electrical impulses passing through the ventricles. 
D)  When stroke volume decreases, a resultant decrease in heart rate occurs.

Question 4

The nurse is reviewing the results of the patient's diagnostic testing for respiratory function.Of the following results,which finding results fall within normal limits?

Accepted Answer

A)  pH 7.50 
B)  Arterial oxygen concentration (SaO₂) 86% 
C)  Arterial carbon dioxide tension (PaCO₂) 36 mm Hg 
D)  Arterial oxygen tension (PaO₂) 76 mm Hg

Question 5

While reviewing the patient's lab test results,the nurse identifies which of the following findings as abnormal?

Accepted Answer

A)  pH 7.37 
B)  SaO₂ 98% 
C)  PaCO₂ 54 mm Hg 
D)  PaO₂ 82 mm Hg

Question 6

At a community health fair,the nurse informs the residents that the influenza vaccine is recommended for which of the following patients?

Accepted Answer

A)  Only patients who are older than 65 years 
B)  Patients aged 40 to 60 years 
C)  Patients in any age group who have a chronic disease 
D)  Patients in any age group who are currently experiencing flulike symptoms

Exam 38: Cardiopulmonary Functioning and Oxygenation

It is suspected that the patient's oxygenation status is deteriorating.The nurse is aware that which abnormal assessment finding represents the most serious indication of the patient's decreased oxygenation?

The nurse has reviewed information about the cardiovascular system before caring for a patient with heart disease.The nurse knows that which of the following statements is true concerning the physiology of the cardiovascular system?

The nurse is reviewing the results of the patient's diagnostic testing for respiratory function.Of the following results,which finding results fall within normal limits?

While reviewing the patient's lab test results,the nurse identifies which of the following findings as abnormal?

At a community health fair,the nurse informs the residents that the influenza vaccine is recommended for which of the following patients?