Blockage of co - Study guides, Class notes & Summaries

FIRST AID FOR NBME QUESTIONS AND 100%CORRECT ANSWERS 2023/2024 Heart Embryological Structures (8)CORRECT ANSWER-Truncus Arteriosus (TA) --> ascending Aorta & Pulmonary Trunk Bulbus Cordis --> Smooth Parts (outflow tract) of L and R Ventricles Primitive Atria --> Trabeculated part of the L and R Atria Primitive Ventricle --> Trabeculated part of the L and R ventricles Primitive Pulmonary Vein --> Smooth part of the L Atrium Left Horn of Sinus Venosus (SV) --> Coronary ...

MI - Answer-Death of myocardium from sudden blockage of coronary artery blood flow What causes cell death in MI? - Answer-unstable plaque breaks off, triggering platelet aggregation, coagulation cascade and thrombus formation. continued no blood flow in 10 seconds ischemia, 20 minutes cell die What consequence of cell death leads to CP? - Answer-hypoxia as cannot meet cell demand for oxygen How is MI diagnosed - Answer-EKG (STEMI) or elevated Troponin (non-STEMI) What might you find ...

NRNP 6675 Midterm Exam 2024 NRNP 6675/ NRNP6675 Midterm Exam Quiz Bank (2024/ 2025) | Complete Guide| Questions and Verified Answers Questions and Verified Answers 1. Which of the following is not consistent with benzo withdrawal? - Answer: B) The best way to proceed with benzo withdrawal is to stop it immediately and tx withdrawal s/s 2. Which of the following is true about the legal practice of the PMHNP? - Answer: D) A&B only A) all have some degrees of prescriptive privileges in all states...

©SIRJOEL EXAM SOLUTIONS 10/14/2024 11:14 PM Lewis's Medical-Surgical Nursing, 11th Edition Chapter 31 - 37 Review Questions And Correct Answers Which aspect of the heart's action does the QRS complex on the ECG represent? Depolarization of the atria Repolarization of the ventricles Depolarization from atrioventricular (AV) node throughout ventricles The length of time it takes for the impulse to travel from the atria to the ventricles - answerDepolarization from atrioventricular...

ABYC Systems Certification Exam - Questions and Answers Which of the following is a typical working pressure of LP gas (after the pressure regulator)? a. 0.4 PSI b. 14 PSI c. 24 PSI d. 300 PSI According to ABYC, all of the following considerations need to be given to evaporator condensate drains, EXCEPT: A. contain a P-trap to prevent ingress of CO B. the diameter of the drain C. drains overboard or into a bilge area other than shared by an engine D. orient the containment pan to facilitate co...

Intrinsic rates - ANSWER-SA node - 60 - 100 bpm AV junction - 40 - 60 bpm Purkinje network - 20 - 40 bpm Lidocaine doses - ANSWER-1-1.5 mg/kg, second dose 0.5-0.75 mg/kg Unstable VT tx - ANSWER-Should be treated with synchronized cardioversion Hypotension, decreased LOC, shock, chest pain Stable VT tx - ANSWER-IV/IO Adenosine 6mg; 12mg (followed by rapid saline flush) If ineffective, procainamide (20-50mg/min or amiodarone (150mg IV/10min) Consider antiarrhythmic infusion Defi...

What does the SA node initiate - - P wave (if none, SA not responsible for electrical conduction) (atrial depolarization) What does the QRS complex represent? - ventricular depolarization (vent contraction) (none=no pulse) (don't see atrial repolarization but it occurs, as it is not the strongest thing to occur) What does the U wave indicate? - indicates hypocalemia, not conductio issue it would be seen with electrolyes (digoxin) Is it normal to not see part of the Q, R, or S complex -...

What is the equation for cardiac output? - CO = HR x SV What is preload? - the heart is being stretched out What does preload reflect? - how much fluid is in the heart What is afterload? - resistance the ventricle must overcome to eject blood Example of increased preload - CHF Example of increased afterload - hypertension What is blood pressure? - force of blood against vessel walls What is systolic blood pressure? - amount of pressure generated by the left ventricle to distribute blood ...

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...