Chapter 48 (Test 1) Flashcards
The nurse is aware that which layer is the muscle layer of the heart, which is responsible for the heart’s contraction?
a. endocardium.
b. pericardium.
c. mediastinum.
d. myocardium.
ANS: D
The nurse clarifies that which is the area of the heart that normally initiates electrical impulses?
a. left ventricle.
b. atrioventricular (A V) node.
c. sinoatrial (SA) node.
d. bundle of His.
ANS: C
The nurse is aware that the symptoms of an impending myocardial infarction (MI) differ in women because acute chest pain is not present. Women are frequently misdiagnosed as having which disorder? :
a. hepatitis A.
b. indigestion.
c. urinary infection.
d. menopausal complications.
ANS: B
The nurse identifies the “lub” sound of the “lub/dub” of the cardiac cycle as the sound of which event?
a. AV valves closing.
b. closure of the semilunar valves.
c. contraction of the papillary muscles.
d. contraction of the ventricles.
ANS: A
A patient is admitted from the emergency department. The emergency department health care provider notes the patient has a diagnosis of heart failure with a New York Heart Association (NYHA) classification of IV. This indicates the patient has which class of heart failure?
a. moderate heart failure.
b. severe heart failure.
c. congestive heart failure.
d. negligible heart failure.
ANS: B
The nurse assesses that the home health patient has no signs or symptoms of heart failure, but does have a history of rheumatic fever and has been recently diagnosed with diabetes mellitus. The nurse is aware that using the American College of Cardiology and the American Heart Association (ACC/AHA) staging, this patient would be in which stage?
a. stage A.
b. stage B.
c. stage C.
d. stage D.
ANS: A
The nurse caring for a patient recovering from a myocardial infarct who is on remote telemetry recognizes the need for added instruction when the patient makes which statement?
a. “I can ambulate in the hallway with this gadget on.”
b. “I always take off the telemetry device when I shower.”
c. “My EKG is being watched by one of the nurses in CCU on the home unit.”
d. “I am able to sleep just fine with this device on.”
ANS: B
The nurse assesses pitting edema that can be depressed approximately 4 mm and refills in 15 seconds. The nurse would document this assessment as:
a. +1 edema.
b. +2 edema.
c. +3 edema.
d. +4 edema.
ANS: B
What do dark or “cold” spots on a thallium scan indicate?
a. Tissue with adequate blood supply
b. Dilated vessels
c. Areas of neoplastic growth
d. Tissue that has inadequate perfusion
ANS: D
The nurse recognizes the echocardiogram report that shows an ejection factor of 42% as an indication of which situation?
a. normal heart action.
b. mild heart failure.
c. moderate heart failure.
d. severe heart failure.
ANS: C
The nurse takes into consideration that age-related changes can affect the peripheral circulation because of which factor?
a. sclerosed blood vessels.
b. hypotension.
c. inactivity.
d. poor nutrition.
ANS: A
The nurse assessing a cardiac monitor notes that the cardiac complexes each have a P wave followed by a QRS and a T. The rate is 120. The nurse recognizes this as whicharrhythmia?
a. sinus bradycardia.
b. atrial fibrillation.
c. sinus tachycardia.
d. ventricular tachycardia.
ANS: C
After an influenza-like illness, the patient reports chills and small petechiae in his mouth and his legs. A heart murmur is detectable. These are characteristic signs of whichdisorder?
a. congestive heart failure.
b. heart block.
c. aortic stenosis.
d. infective endocarditis.
ANS: D
The nurse notes a run of three ventricular contractions (PVC) that are not preceded by a P wave. This particular arrhythmia can progress into which complication?
a. atrial fibrillation and possible emboli.
b. sinus tachycardia and syncope.
c. ventricular tachycardia and death.
d. sinus bradycardia and fatigue.
ANS: C
The nurse reminds the patient who is taking warfarin for the treatment of peripheral artery disease not to eat excessive green and yellow vegetables for which reason?
a. Potassium in the vegetables can cause additional bleeding
b. Green and yellow vegetables cause loose bowel movements
c. Vitamin K in the vegetables counteracts the anticoagulant effect
d. Potassium in the vegetables can cause hyperkalemia to develop
ANS: C
A patient with unstable angina should be provided with instructions to avoid which activity?
a. Walking outside
b. Eating red meat
c. Swimming in warm pool
d. Shoveling snow
ANS: D
The older adult patient with angina pectoris says she is unsure how she should take nitroglycerin when she has an attack. The nurse should reinforce whichinstruction?
a. “Continue to take nitroglycerin sublingually at 5-minute intervals until the pain is
relieved.”
b. “If the pain is not relieved after three doses of nitroglycerin at 5-minute intervals,
call your health care provider and come to the hospital.”
c. “When nitroglycerin is not relieving the pain, lie down and rest.”
d. “Use oxygen at home to relieve pain when nitroglycerin is not successful.”
ANS: B
A patient questions “Why all the fuss about a little high blood pressure? My father had it and he lived to be 65 years old.” The nurse bases the answer, knowing that which complication can occur due to untreated blood pressure?
a. Chronic Obstructive Pulmonary Disease (COPD)
b. Frequent and severe infectious disease of the lungs
c. Increased risk of myocardial infarctions (MI) and stroke
d. Severe corneal abrasions, requiring corneal transplants
ANS: C
What is the major cause of cardiac valve disease in past years?
a. Rheumatic fever
b. Long history of malnutrition
c. Drug abuse
d. Obesity
ANS: A
The patient has a total cholesterol of 190 with a high-density lipid (HDL) of 110 and a low-density lipid (LDL) of 80. The nurse reinforces which instruction?
a. Good job! Continue with your low fat diet.
b. These levels are borderline: you still aren’t eating properly.
c. The dietician will need to talk to you about lowering your cholesterol a lot more.
d. Your cholesterol level needs to be lowered a great deal to improve your survival
chances.
ANS: A