Pace maker of the heart - Study guides, Class notes & Summaries

Critical Care Exam 1 Questions and Answers 100% Pass P wave - Correct Answer ️️ -Depolarization of the atria PR interval - Correct Answer ️️ --Normal is 0.12 to 0.2 seconds - onset of atrial depolarization until onset of ventricular polarization QRS complex - Correct Answer ️️ --Normal is 0.06 to 0.11 seconds -Ventricular depolarization -systole T wave - Correct Answer ️️ --appears after QRS complex - Ventricular repolarization -Spiked T-wave occurs with hyperkalemia U...

ATE 1211 Animal Physiology Final Exam - Questions and Answers (Complete Solutions) Name the cells found inside the seminiferous tubules sex cells (spermatogonia) Which cells contribute making blood? cell barrier in testes- Sertoli cells Name the hormone produced by Sertoli cells Estrogen What is spermatogenesis? the process of formation of spermatozoa in testes. How many spermatozoa are produced from each primary spermatocyte? Four What is capacitation? sperms undergo some changes in the femal...

Critical Care Exam 1(Dysrhythmias, ABG's, Hemodynamics, Respiratory) with Complete SolutionsCritical Care Exam 1(Dysrhythmias, ABG's, Hemodynamics, Respiratory) with Complete SolutionsCritical Care Exam 1(Dysrhythmias, ABG's, Hemodynamics, Respiratory) with Complete SolutionsCritical Care Exam 1(Dysrhythmias, ABG's, Hemodynamics, Respiratory) with Complete Solutions P wave - ANSWER-Depolarization of the atria PR interval - ANSWER--Normal is 0.12 to 0.2 seconds - onset of atrial depola...

ATE 1211 Final Exam Review - Questions and Answers (Complete Solutions) The P-wave of the ECG represents what cardiac event? atrial depolarization What event is responsible for making first heart sound? Closure of the AV valves During ventricular systole, which event occurs first? AV valve closes The wave of systolic pressure which starts at the heart and spreads throughout the arterial network is called: Pulse The pace-maker of heart that initiates impulses in the atria is: SA Node What are t...

ABEKA BIOLOGY TEST 5 LATEST VERSION GRADED A+ amount of air that is inhaled and exhaled when breathing normally tidal volume type of blood protein that helps in the clotting of the blood fibrinogen iron-containing protein that allows blood cells to transport oxygen hemoglobin blood cells that protect the body from infections white blood cells breathing is controlled primarily by what? medulla oblongata blood travels from the heart to the lungs through what? pulmonary arterie...

Telemetry Exam 100% accurate!! Pace Maker of the Heart - ANSWERThe Sino Atrial node is also known as the 100/60 -138/89 - ANSWERNormal BP range is -0.1 eV for each box in the vertical direction -typically there are 10 boxes in the vertical direction for QRS complexes, adding up to 1.0 eV - ANSWERThe vertical lines in each of the boxes indicate: Coreg and epinephrine - ANSWERWhat medication can change Atrial fibrillation to a sinus rhythm? 140-250 bpm - ANSWERWhat is the heart ra...

Excitatory synapses make the post-synaptic cell less likely to fire. - ANSWER-False The neural tissues are: - ANSWER-Spinal cord, sensory neurons, and brain How do the glial cells (i.e., myelin sheath) speed up the firing of neurons? - ANSWER-The cell wraps extensions of a fatty insulating substance (myelin) around the axons of neurons. The action potential is: - ANSWER-A result of the movement of ions. Receptors are made from membrane-bound polyribosomes. - ANSWER-True List the 4...

We want the sinus node pacing the heart. Depolarization- _______ Repolarization- ________ and refilling correct answers Contraction; relaxing At rest there is a _____ charge inside the cell and a positive charge outside the cell Na+ is most plentiful ______ the cell and K+ is most plentiful inside the cell. When the muscle depolarizes Na rushes ___ and K rushes ___ in a wave pattern correct answers negative; outside; in; out For a cell to depolarize it must be ______ stimulate...

Pace Maker of the Heart - Answer-The Sino Atrial node is also known as the 100/60 -138/89 - Answer-Normal BP range is -0.1 eV for each box in the vertical direction -typically there are 10 boxes in the vertical direction for QRS complexes, adding up to 1.0 eV - Answer-The vertical lines in each of the boxes indicate: Coreg and epinephrine - Answer-What medication can change Atrial fibrillation to a sinus rhythm? 140-250 bpm - Answer-What is the heart rate with a SVT? -Stimulate t...

How much does the heart weigh? - 300 g Where is the PMI? - Mid-clavicular, 5th intercostal space What does PMI stand for? - point of maximal impulse S1 - Systole, ventricle is contracting, Mitral and Tricuspid Closing, Heard best at the Apex S2 - Diastole, ventricle is filling/perfusing, Aortic and Pulmonic, Head best at the base When are the coronary arteries perfused? - Diastole Why are the coronary arteries perfused during diastole? - During diastole because the ventricle is filling. ...