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CCRN CRITICAL CARE REGISTERED NURSE EXAM 2
LATEST 2024/2025 QUESTIONS AND 100% CORRECT
ANSWERS TEST BANK
What are the three types of angina? - (answers)1. Stable
2. Unstable
3. Prinzmetal's/Variant
What is stable angina? - (answers)Excerise induced chest pain relieved by rest or
nitroglycerin (non-emergent)
What is unstable angina? - (answers)Chest pain that occurs at rest. Symptoms
more significant (emergent, call 911 right away)
What is Prinzmetal's angina? What is the patient at risk for? - (answers)Spasms of
coronary arteries that occur at rest.
High risk for ventricular arrhythmias that can lead to sudden cardiac death
Where is the myocardial oxygen supplied from? What are 2 things that can affect
oxygen supply? - (answers)Coronary vessels
1. Blockage (atherosclerosis) & 2. Vasospasm's
What are 4 things that can affect oxygen demand of the coronary vessels? -
(answers)1. HR
2. Preload
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3. After-load
4. Contractility
What is the 4 step process for treating classic angina? - (answers)1. Nitrates
2. Nitrates & beta blockers
3. Nitrates, beta blockers, & calcium channel blockers
4. Coronary artery bypass graft
What is the 3 step process for treating prinzmetal's angina? - (answers)1. Nitrates
OR calcium channel blockers
2. Nitrates & calcium channel blockers
3. Coronary artery bypass graft
Why are beta blockers not given to treat prinzmetals angina? - (answers)Can drop
BP which can worsen spasms
A myocardial infarction is ____ of the myocardial cells, _____ is the most common
cause, and ___ of the heart effects the outcome - (answers)1. Necrosis
(irreversible)
2. Atherosclerosis
3. Location
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What vessel is responsible for infarctions on the anterior and antero-septal sides
of the heart? - (answers)Left anterior descending (LAD)
Highest mortality (widow maker)
Which 2 vessels are responsible for the infarctions on the inferior & posterior
sides of the heart? - (answers)Right coronary artery (RCA) or Left circumflex
What vessel is responsible for the infarctions on the lateral side of the heart? -
(answers)Left circumflex
What is an transmural infarction? - (answers)STEMI
Infraction involving all 3 layers of the heart
What is an subendocardial and subepicardial infarct? - (answers)NSTEMI
1. Affecting the endocardium (outer) and partial wall of myocardium
2. Affecting the epicardium (inner) and partial wall of myocardium
What is the number one atypical symptom of an acute MI? -
(answers)Unexplained dyspnea
What is the PQRST assessment stand for? - (answers)Precipitation, Quality,
Radiation, Severity, & Time
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What is the main purpose of a 12 lead EKG? - (answers)Looking at the heart from
different views. The different leads are telling about the different surfaces of the
heart
When would a 18 lead EKG be used? - (answers)If a right sided MI is suspected
Which lead indicates the location of the infarction? - (answers)V lead
If there is ST elevation where should the leads be placed? - (answers)Over the
area of infraction
If there is no ST elevation or suspected ischemia which 2 leads are used? -
(answers)V3 and III ( Double 3's)
If there is ST elevation, what kind of MI is suspected? - (answers)STEMI
If there is ST depression, what kind of MI is suspected? - (answers)Non-STEMI
What 3 EKG changes are seen in a STEMI's? - (answers)1. ST elevation
2. New LBBB
3. Pathological Q waves
What 2 EKG changes are seen in a Non-STEMI? - (answers)1. ST depression
CCRN CRITICAL CARE REGISTERED NURSE EXAM 2
LATEST 2024/2025 QUESTIONS AND 100% CORRECT
ANSWERS TEST BANK
What are the three types of angina? - (answers)1. Stable
2. Unstable
3. Prinzmetal's/Variant
What is stable angina? - (answers)Excerise induced chest pain relieved by rest or
nitroglycerin (non-emergent)
What is unstable angina? - (answers)Chest pain that occurs at rest. Symptoms
more significant (emergent, call 911 right away)
What is Prinzmetal's angina? What is the patient at risk for? - (answers)Spasms of
coronary arteries that occur at rest.
High risk for ventricular arrhythmias that can lead to sudden cardiac death
Where is the myocardial oxygen supplied from? What are 2 things that can affect
oxygen supply? - (answers)Coronary vessels
1. Blockage (atherosclerosis) & 2. Vasospasm's
What are 4 things that can affect oxygen demand of the coronary vessels? -
(answers)1. HR
2. Preload
,2|Page
3. After-load
4. Contractility
What is the 4 step process for treating classic angina? - (answers)1. Nitrates
2. Nitrates & beta blockers
3. Nitrates, beta blockers, & calcium channel blockers
4. Coronary artery bypass graft
What is the 3 step process for treating prinzmetal's angina? - (answers)1. Nitrates
OR calcium channel blockers
2. Nitrates & calcium channel blockers
3. Coronary artery bypass graft
Why are beta blockers not given to treat prinzmetals angina? - (answers)Can drop
BP which can worsen spasms
A myocardial infarction is ____ of the myocardial cells, _____ is the most common
cause, and ___ of the heart effects the outcome - (answers)1. Necrosis
(irreversible)
2. Atherosclerosis
3. Location
,3|Page
What vessel is responsible for infarctions on the anterior and antero-septal sides
of the heart? - (answers)Left anterior descending (LAD)
Highest mortality (widow maker)
Which 2 vessels are responsible for the infarctions on the inferior & posterior
sides of the heart? - (answers)Right coronary artery (RCA) or Left circumflex
What vessel is responsible for the infarctions on the lateral side of the heart? -
(answers)Left circumflex
What is an transmural infarction? - (answers)STEMI
Infraction involving all 3 layers of the heart
What is an subendocardial and subepicardial infarct? - (answers)NSTEMI
1. Affecting the endocardium (outer) and partial wall of myocardium
2. Affecting the epicardium (inner) and partial wall of myocardium
What is the number one atypical symptom of an acute MI? -
(answers)Unexplained dyspnea
What is the PQRST assessment stand for? - (answers)Precipitation, Quality,
Radiation, Severity, & Time
, 4|Page
What is the main purpose of a 12 lead EKG? - (answers)Looking at the heart from
different views. The different leads are telling about the different surfaces of the
heart
When would a 18 lead EKG be used? - (answers)If a right sided MI is suspected
Which lead indicates the location of the infarction? - (answers)V lead
If there is ST elevation where should the leads be placed? - (answers)Over the
area of infraction
If there is no ST elevation or suspected ischemia which 2 leads are used? -
(answers)V3 and III ( Double 3's)
If there is ST elevation, what kind of MI is suspected? - (answers)STEMI
If there is ST depression, what kind of MI is suspected? - (answers)Non-STEMI
What 3 EKG changes are seen in a STEMI's? - (answers)1. ST elevation
2. New LBBB
3. Pathological Q waves
What 2 EKG changes are seen in a Non-STEMI? - (answers)1. ST depression
