Rate of sa node - Study guides, Class notes & Summaries
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Advanced – Dysrhythmias (100% correct answers)
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Excitability correct answers the ability of non-pacemaker heart cells to respond to an electrical impulse that begins in pacemaker cells. 
 
Depolarization correct answers occurs when the normally negatively charged cells within the heart muscle develop a positive charge. 
 
Conductivity correct answers the ability to send an electrical stimulus from cell membrane to cell membrane. As a result, excitable cells depolarize in rapid succession from cell to cell until all cells have depolarized. Ex:...
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NR 507 Patho Final Exam Questions With Correct Answers Latest 2023-2024 (Score A+)
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What period follows depolarization of the myocardium and represents a period during 
which no new cardiac potential can be propagated? 
Correct! 
 
Refractory 
 
Threshold 
 
Sinoatrial (SA) 
 
Hyperpolarization 
During the refractory period, no new cardiac action potential can be initiated by a 
stimulus. This selection is the only option that accurately identifies the period described 
in the question. 
Question 2 
2 / 2 pts 
What is the suggested mean blood pressure for an 8- to 9-year-old ch...
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OMSA Final review| 282 QUESTIONS| WITH COMPLETE SOLUTIONS
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The heart is divided into how many chambers correct answer: 4 chambers: 2 atria and 2 ventricles 
 
Insufficient blood flow through the coronary arteries can result in: correct answer: Angina 
 
Beta one controls the correct answer: Heart 
 
Name the two systems that comprise the autonomic nervous system: correct answer: Parasympathetic and Sympathetic 
 
Stimulation of the Vagus nerve will __________ the heart rate correct answer: decrease 
 
Another name for the Parasympathetic nervous sy...
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Advanced – Dysrhythmias Questions And Answers
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Excitability - Answer- the ability of non-pacemaker heart cells to respond to an electrical impulse that begins in pacemaker cells. 
 
Depolarization - Answer- occurs when the normally negatively charged cells within the heart muscle develop a positive charge. 
 
Conductivity - Answer- the ability to send an electrical stimulus from cell membrane to cell membrane. As a result, excitable cells depolarize in rapid succession from cell to cell until all cells have depolarized. Ex: the wave of depol...
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Study OMSA 2024 Updated final certification exam
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Study OMSA 2024 Updated final 
certification exam 
Pathway of Blood Flow from Lungs Carrying Oxygen - CORRECT ANSWER-Through 
the Pulmonic vein to the Left Atrium, through Mitral Valve, to the Left Ventrical , through 
the Aortic Valve to the Aorta. (P,LA,MV, LV,AV,A) 
Pathway of Blood flow Through the Heart - CORRECT ANSWER-Superior and Inferior 
Vena Cava to Right Atrium, through Tricuspid Valve into Right Ventrical, past the 
Pulmonic Valve to the Pulmonary Artery 
How many Chambers does...
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CPSGT PT.1 EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+
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1 
CPSGT PT.1 EXAM | QUESTIONS & 
ANSWERS (VERIFIED) | LATEST UPDATE | 
GRADED A+ 
Informed consent may be _________, ________, or _________. 
Correct Answer: written, verbal or implied. 
List 5 Basic Principles of informed consent 
Correct Answer: 1. PT has the right to information 
2. Questions regarding diagnosis or treatment should be referred to physician 
3. Risks and discomforts to patients should be listed. 
4. Participation in all procedures is voluntary. 
5. Consent may be signed by...
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BKAT ICU Post Test Questions And Answers
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Nitroprusside purpose - Answer- decreases preload and afterload by vasodilation (mainly afterload) 
 
Dobutamine mechanism of action - Answer- contractility 
 
Dopamine at a low-end dose "renal dose" - Answer- 0.5-4mcg/kg/min 
increases renal and mesentric perfusion 
 
Dopamine at a mid-range dose - Answer- 4-10mcg/kg/min 
increases contractility and heart rate 
 
Dopamine at a high-range dose - Answer- greater than 10mcg/kg/min 
vasoconstriction and increases BP 
 
Dopamine and Levophed inf...
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HESI Critical Care Exam Test Bank Latest Update 2023/2024 Questions with Answers and Rationales
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1.	A client with asthma receives a prescription for high blood pressure during a clinic visit. 
 
Which prescription should the nurse anticipate the client to receive that is least likely to exacerbate asthma? 
A.	Carteolol (Ocupress). 
 
B.	Propranolol hydrochloride (Inderal). 
 
C.	Pindolol (Visken). Incorrect 
 
D.	Metoprolol tartrate (Lopressor). Correct 
 
The best antihypertensive agent for clients with asthma is metoprolol (Lopressor) (C), a beta2 
 
blocking agent which is also cardiosel...
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RNAS C Practice Test Review 437 Questions with Verified Answers,100% CORRECT
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RNAS C Practice Test Review 437 Questions with Verified Answers 
 
A capacitor and resisitor in parallel - CORRECT ANSWER will have same voltage across since in parallel. 
if in series, voltage drops would occur 
 
they can be treated together 
 
If the absolute pressure of a gas is increased from 3 atm to 4 atm at constant volume, then the absolute temperature of the gas will increase by: 
A. 25%. 
B. 33%. 
C. 67%. 
D. 75% - CORRECT ANSWER B. Assuming the validity of the Ideal-Gas law, PV = n...
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Advent Health EKG Questions and Answers Rated A
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Advent Health EKG Questions and Answers Rated A 
Afib The impulse originates in the Atria • The Atrial rate is > 300 and unable to measure [N/A] • No discernable P waves - PRI & Atrial rhythm cannot be measured [N/A] • The Ventricular rhythm is irregular • QRS within normal limits • If the Ventricular rate is <100 the rhythm is controlled A-fib; if the Ventricular rate is > 100 the rhythm is uncontrolled A-fib • This is a chronic rhythm for some patients Treatment: controlle...
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