What is do2 - 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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CCRN Final Exam Questions and Answers Latest Updated 2024 (100% Verified)
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CCRN Final Exam Questions and Answers Latest Updated 2024 (100% Verified) Which vessel is used as a graft when the minimally invasive direct coronary artery 
bypass grafting (MIDCABG) procedure is performed? Answer: The internal thoracic 
(also called the internal mammary) artery is used for a MIDCABG. 
Which drug has Class II and Class III properties? Answer: Sotalol has both Class II (i.e., 
β blockade) and Class III (i.e., potassium blockade) effects. 
Which of the following is a diagnostic ...
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CCRN Final Exam Questions and Answers | Latest Updated 2023/2024 | Graded 100%
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CCRN Final Exam Questions and Answers | Latest Updated 2023/2024 | Graded 100%. Which drug has Class II and Class III properties? Answer: Sotalol has both Class II (i.e., 
β blockade) and Class III (i.e., potassium blockade) effects. 
Which of the following is a diagnostic finding in hypovolemic shock caused by severe 
diarrhea? Answer: The patient lost fluid, so the hematocrit would be increased because 
the blood is hemoconcentrated. If the patient had lost blood, the hematocrit would be 
dec...
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CCRN Final Exam Questions and Answers Latest Updated 2023-2024 | 100% Verified
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CCRN Final Exam Questions and Answers Latest Updated | 100% Verified. A patient with severe hypertension most likely would have which of the following? 
Answer: An S4 is associated with ventricular noncompliance. A patient with severe 
hypertension would develop ventricular hypertrophy, which makes the ventricle 
noncompliant. 
Which is a normal oxygen consumption index (VO2I)? Answer: Approximately 150 
ml/min/m2 
Normal arterial oxygen saturation is 100%, and normal venous oxygen saturation i...
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Which of the following would be the earliest auscultatory finding in left ventricular failure (LVF)? 
A. Crackles 
B. S3 
C. Murmur of mitral regurgitation 
D. Pericardial friction rub - B. S3 
LVF would be the most subtle because early changes are usually subtle changes. Choose "S3." 
A patient with a triple-lumen subclavian catheter has been receiving total parenteral nutrition, 
maintenance fluids, and antibiotics by the catheter. He has been slightly confused. Suddenly he grasps 
the cathe...
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CFRN Exam 325 Questions with Verified Answers,100% CORRECT
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CFRN Exam 325 Questions with Verified Answers 
 
What htz would you expect to see flicker vertigo? - CORRECT ANSWER 5-20 htz 
 
Will see at slower speeds such as shutdown & idle. 
 
At 18,000 ft, mean sea level 380 tore, what is the partial pressure of oxygen? - CORRECT ANSWER 80 
 
Atmospheric pressure * 0.21 = partial pressure of O2 
 
360 * .21 
 
PO2 - CORRECT ANSWER Partial pressure of O2 in the ENVIRONMENT. 
 
PAO2 - CORRECT ANSWER Partial pressure of O2 in ALVEOLI. 
 
PaO2 - CORRECT ANSWE...
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(Solved with Rationales) Pass CCRN test bank.
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(Solved with Rationales) Pass CCRN test bank. 
 
 
Which of the following would be the earliest auscultatory finding in left ventricular failure (LVF)? 
 
A. Crackles 
B. S3 
C. Murmur of mitral regurgitation 
D. Pericardial friction rub 
B. S3 
 
LVF would be the most subtle because early changes are usually subtle changes. Choose "S3." 
A patient with a triple-lumen subclavian catheter has been receiving total parenteral nutrition, maintenance fluids, and antibiotics by the catheter. He has ...
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CCRN PRACTICE QUESTIONS - CARDIOVASCULAR|UPDATED&VERIFIED|100% SOLVED|GUARANTEED SUCCESS
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A patient is in cardiac and respiratory arrest. The selection of medications to reestablish cardiac function would stimulate the sympathetic nervous system beta1 receptors. This stimulation would result in increased automaticity and which of the 
following? 
a. Increased myocardial contractility 
b. Decreased left ventricular stroke work 
c. Decreased myocardial oxygen consumption 
d. Increased left ventricular afterload 
Correct answer: a 
Rationale: The sympathetic nervous system contains alph...
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CCRN Exam Practice Questions and Answers Latest Updated 2023-2024 | 100% Correct
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CCRN Exam Practice Questions and Answers Latest Updated | 100% Correct. Which vessel is used as a graft when the minimally invasive direct coronary artery 
bypass grafting (MIDCABG) procedure is performed? Answer: The internal thoracic 
(also called the internal mammary) artery is used for a MIDCABG. 
Which drug has Class II and Class III properties? Answer: Sotalol has both Class II (i.e., 
β blockade) and Class III (i.e., potassium blockade) effects. 
Which of the following is a diagnostic f...
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TCRN QUESTIONS WITH 100% CORRECT SOLUTIONS 2023/2024
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TCRN QUESTIONS WITH 100% 
CORRECT SOLUTIONS 2023/2024 
List three effects of inflammatory mediators - CORRECT ANSWER Diaphoresis, 
glycogeonolysis, bronchodilation, increased: HR, contractility, automasticity, RR 
Describe the technique for inserting IO into distal femur - CORRECT ANSWER Anterior 
midline above the external epicondyles, 1 - 3cm above the femoral plateau; the knee 
slightly flexed and the hip externally rotated and flexed 
Describe the technique for inserting IO into distal t...
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