Depolarization - Study guides, Class notes & Summaries

allows blood to flow directly from the right atrium into the left atrium to bypass pulmonary circulation - foramen ovale carries blood from the umbilical vein to inferior vena cava; allows some blood to bypass the liver - ductus venosus atrial contraction; systole; p wave - atrial depolarization max volume of air that can be exhaled following maximal inhalation - vital capacity allows blood in pulmonary artery to flow directly into the descending aorta to bypass the pulmonary circula...

Which of the following BEST describes universal and standard precautions? - correct answer Standard precaution conbine universal and body substance isolation When might you be required to perform a 'stat' ECG? - correct answer When a patient has chest pains or changes in his or her cardiac rhythm Telemedicine monitoring is generally used to evaluate which of the following? - correct answer Artificial pacemaker functioning Which of the following is NOT a reason for performing an ...

Depolarization, Summation, and Neural Pathways Questions And Answers Depolarization - ANS-Action potential depolarizes synaptic knob Secondary Messenger - ANS-Ca enters axoplasm triggering norepi First Messenger - ANS-norepi binds to receptor site causing adenyl cyclase within the cytoplasm to catalyze the formation of cyclic AMP from ATP Second Messenger - ANS-cyclic AMP opens ion channels allowing NA to depolarize membrane Summation - ANS-Integration of EPSP's and IPSP's to reach depo...

Nurs 5315: Adv Patho Exam 3 Set 1 | Latest Version | 2024/2025 | Graded A+ **Describe the flow of blood through the heart.** **Blood flows from the body into the heart through the vena cavas, enters the right atrium, passes through the tricuspid valve into the right ventricle, exits via the pulmonic valve into the pulmonary artery, travels to the lungs, returns via the pulmonary veins to the left atrium, passes through the mitral valve into the left ventricle, exits via the aortic valve...

TEST BANK - ALL ATI MED SURG PROCTORED EXAM 2019 CARDIOVASCULAR HEALTH STUDY GUIDE QUESTIONS AND ANSWERS (100%CORRECT). ATI MED SURG PROCTORED EXAM 2019 – CARDIO STUDY GUIDE A nurse is performing discharge teaching with a client who has an implantable cardioverter defibrillator (ICD) placed. Which client statement indicates effective teaching? Correct response: • "I'll keep a log of each time my ICD discharges." The nurse is caring for a client scheduled for a transesophageal echoca...

Sharp ESO 2024 Exam Queations with Answers What mnemonic is used to assess possible causes of PEA? - Answer-H's and T's: Hypovolemia, hypoxia, hydrogen ion (acidosis), hypo/hyperkalemia, hypoglycemia, hypothermia; Toxins, tamponade, thrombosis, trauma, tension pneumothorax What is the recommended oxygen delivery method for PEA? - Answer-O2 at 15L/minute via ambu bag (10 breaths/minute) What medication is administered for PEA? - Answer-Epinephrine 1mg IVP/IO (0.1mg/ml), repeat every 3...

action potential can be generated by virtually all cells of the body because all cells possess cell membranes - ANSWERfalse, only cells with excitable membranes such as nervous and muscle cells can generate action potential Nodes of Ranvier are only found on myelinated, peripheral neural processes - ANSWERtrue efferent nerve fibers may be described as motor nerve fibers - ANSWERtrue a positive feedback cycle is the main force in the generation of graded potentials at receptor ends - ANS...

CCTC NUR 221 UNIT 2: MANAGEMENT OF PATIENTS WITH ALTERATIONS IN FLUID AND GAS TRANSPORT: CARDIOVASCULAR (TEST 2) Exam Questions And Answers (Verified And Updated) 3 layers of the heart - answerepicardium, myocardium, endocardium diastole: - answerperiod of ventricular relaxation resulting in *ventricular filling* Systole: - answerperiod of *ventricular contraction* resulting in ejection of blood from the ventricles into the pulmonary artery and aorta depolarization- - answerExchange of...

MAYO ECG Exam Questions Correct Answers Current Update (Verified A+ Pass) PR interval represents: - Answers - electrical conduction time from the atria to the AV node Is atrial flutter benign? - Answers - no PR interval - Answers - .12-.20 QRS interval - Answers - <.12 What lead do you look at - Answers - V1 Interventions - Answers - assess the patient QRS wave - Answers - ventricular depolarization P wave - Answers - atrial depolarization AV node purpose - Answers ...

Advanced Patho NURS 5315 Exam 1 Questions & Verified Correct Answers Action potential - ANSWER : The process by which excitable cells transmit information from one to another. How is the action potential altered by a potassium imbalance? (Hyperkalemia) - ANSWER : The ECF has more K+ ions. The membrane potential becomes more positive (hypopolarized). Cells become MORE excitable. T waves peak. QRS complexes widen. Causes dysrhythmias, weakness, paresthesia. {If membrane poten...