Bundle branch blocks - Study guides, Class notes & Summaries
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CCRN Practice Questions - Cardiovascular Questions and Answers well Explained Latest 2024/2025 Update 100% Correct.
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A patient develops atrial fibrillation after abdominal surgery. Her blood pressure falls from 110/70 mm 
Hg to 92/68 mm Hg. The hypotension is related to which of the following? 
a. Decrease in ventricular contractility 
b. Hypovolemia 
c. Mural thrombi 
d. Decrease in ventricular filling - Correct answer: d 
Rationale: The contribution that atrial contraction makes to ventricular filling volume is approximately 
15% to 30%. Atrial fibrillation results in quivering but not contracting atria. The...
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Straighterline A&P II Quiz 2 Latest Version Graded A+
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Straighterline A&P II Quiz 2 Latest 
 
Version Graded A+ 
 
What event(s) occur during the QRS complex of an ECG? 
 
a. depolarization of the atria 
b. repolarization of the ventricles 
c. depolarization of the atria and repolarization of the ventricles 
d. depolarization of the ventricles and repolarization of the atria d. depolarization of the 
ventricles and repolarization of the atria 
 
Blood in the pulmonary veins returns to the 
 
a. right atrium. 
b. left atrium. 
c. right ventricle. 
d....
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Straighterline A&P II Quiz 2 with complete solutions
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Straighterline A&P II Quiz 2 with complete solutions 
What event(s) occur during the QRS complex of an ECG? 
a. depolarization of the atria 
b. repolarization of the ventricles 
c. depolarization of the atria and repolarization of the ventricles 
d. depolarization of the ventricles and repolarization of the atria -Correct Answer-d. 
depolarization of the ventricles and repolarization of the atria 
Blood in the pulmonary veins returns to the 
a. right atrium. 
b. left atrium. 
c. right ventricle....
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Straighterline A&P II Quiz 2 Questions with 100% Correct Answers | Verified | Latest Update 2024
- Exam (elaborations) • 26 pages • 2024
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Straighterline A&P II Quiz 2 Questions with 100% Correct Answers | Verified | Latest Update 2024 
What event(s) occur during the QRS complex of an ECG? 
a. depolarization of the atria 
b. repolarization of the ventricles 
c. depolarization of the atria and repolarization of the ventricles 
d. depolarization of the ventricles and repolarization of the atria - d. depolarization of the ventricles and repolarization of the atria 
Blood in the pulmonary veins returns to the 
a. right atrium. 
b. left...
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Introduction to ECG interpretation part 1 Questions and Answers
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Upright (atria dp top-bottom) or inverted (atria dp bottom-top) in lead II? 
PR interval analysis 
 Constant or vary? 
<= 0.20 seconds (1 large box) 
P to QRS relationship 
 P wave before, during or after QRS? 
One P wave for each one QRS? 
Regular relationship? 
Monitoring ECG 
 4 lead, looking only at rate and rhythm 
Diagnostic ECG 
 Use all 10 leads comma looking for MI, hypertrophy, axis deviation, PVC 
etiology, chamber enlargement, ect... 
Monitoring lead can tell you: 
 How often the...
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Straighterline A&P II Quiz 2 with Complete Solutions
- Exam (elaborations) • 16 pages • 2024
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Straighterline A&P II Quiz 2 with 
Complete Solutions 
What event(s) occur during the QRS complex of an ECG? 
a. depolarization of the atria 
b. repolarization of the ventricles 
c. depolarization of the atria and repolarization of the ventricles 
d. depolarization of the ventricles and repolarization of the atria -Answer-d. 
depolarization of the ventricles and repolarization of the atria 
Blood in the pulmonary veins returns to the 
a. right atrium. 
b. left atrium. 
c. right ventricle. 
d. le...
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Nursing Level 2 Exam 2 Questions And Answers With 100% Correct Answers
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Metoprolol - Drug that Decreases heart contractility- use cautiously in lung problems (cautious 
use in diabetics too) 
QRS Width - Less than 0.12 
Digoxin Level - 0.5-2 ng/mL 
Total Cholesterol - <200 mg/dL 
Triglyceride Levels - <150 mg/dL 
LDL Levels - <100 mg/dL 
HDL Levels - >50 mg/dL 
Normal Blood Pressure - less than 120/80 
Prehypertension BP - 120-139/80-89 
Hypertension levels - above 140/90 
Ejection Fraction Percentage - 55-65% 
Potassium Levels - 3.5-5.3 mEq/L 
Sodium Le...
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Exam 1 ECG Fundamentals Questions With Complete Solutions
- Exam (elaborations) • 19 pages • 2023
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Automaticity correct answer: Ability to initiate an impulse at a regular interval; "pacemaker" 
 
Excitability correct answer: Ability of the heart to respond to a stimulus 
 
Conductivity correct answer: Ability of the heart to transmit an electrical impulse from one cell membrane to another 
 
Contractility correct answer: The ability of the heart muscle cells to shorten in response to an electrical stimulus 
 
Refractoriness correct answer: "Resistant to"; cannot respond to a stimulu...
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Straighterline A&P II Quiz 2 Questions with Verified Solutions
- Exam (elaborations) • 13 pages • 2024
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Straighterline A&P II Quiz 2 Questions with 
Verified Solutions 
What event(s) occur during the QRS complex of an ECG? 
a. depolarization of the atria 
b. repolarization of the ventricles 
c. depolarization of the atria and repolarization of the ventricles 
d. depolarization of the ventricles and repolarization of the atria - Answer -d. depolarization of the 
ventricles and repolarization of the atria 
Blood in the pulmonary veins returns to the 
a. right atrium. 
b. left atrium. 
c. right ventr...
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Straighterline A&P II Quiz 2 with Complete Solutions 2024
- Exam (elaborations) • 16 pages • 2024
- Available in package deal
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- $12.49
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Straighterline A&P II Quiz 2 with 
Complete Solutions 
What event(s) occur during the QRS complex of an ECG? 
a. depolarization of the atria 
b. repolarization of the ventricles 
c. depolarization of the atria and repolarization of the ventricles 
d. depolarization of the ventricles and repolarization of the atria -Answer-d. 
depolarization of the ventricles and repolarization of the atria 
Blood in the pulmonary veins returns to the 
a. right atrium. 
b. left atrium. 
c. right ventricle. 
d. le...
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