Ventricles Study guides, Class notes & Summaries

West Coast EMT Block 2 Exam A 60-year-old man is found to be unresponsive, pulseless, and apneic. You should: Select one: A. start CPR and transport immediately. B. begin CPR until an AED is available. C. withhold CPR until he is defibrillated. D. determine if he has a valid living will. - ANSWER B. begin CPR until an AED is available. Basic life support (BLS) is defined as: Select one: A. basic lifesaving treatment that is performed by by...

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 depolarizat...

dysrhythmia aka arrhythmia - Correct answer - abnormal cardiac rhythms which can cause disturbances of: rate, rhythm, or both rate and rhythm how are dysrhythmias identified? - Correct answer Electrographic Waveform Analysis (ECG) what controls the rate and rhythm of the heartbeat? - Correct answer the heart's electrical system explain the heart's electrical system - Correct answer Each electrical signal (impulse) begins in a group of cells called the sinus node or sinoatrial (SA...

NR 507 MIDTERM EXAM WEEK 4 – QUESTION AND ANSWERS WINTER 2023 Chamberlain University NR 507 MIDTERM EXAM WEEK 4 – QUESTION AND ANSWERS WINTER 2023 Chamberlain University 1. Hypertension (high blood pressure) will have its most immediate effect on Preload Contractility Afterload None of these 2. Mature, circulating RBC’s lack endoplasmic reticulum. Without these structures RBC’s are completely unable to synthesize any ATP Pr...

WEST COAST EMT BLOCK #2 EXAM QUESTIONS AND ANSWERS (2023/2024) (VERIFIED ANSWERS) A 60-year-old man is found to be unresponsive, pulseless, and apneic. You should: Select one: A. start CPR and transport immediately. B. begin CPR until an AED is available. C. withhold CPR until he is defibrillated. D. determine if he has a valid living will. - ANSWER B. begin CPR until an AED is available. Basic life support (BLS) is defined as: Select one: A. basic lifesaving treatment that is perfor...

HESI A2 ENTRANCE EXAMS ALL SUBJECT COVERED HESI A2 VERSION1 Have you ever wondered why the whistle of a traveling, distant locomotive predicts its approach several yards before anyone actually sees it? Or why an oncoming ambulance’s screaming siren is heard momentarily several feet before the ambulance comes into full view, before it passes you, and why its siren is still heard faintly well after the ambulance is out of sight? What you are witnessing is a scientific phenomenon known as ...

APEA 3P Actual Exam Test Bank (APEA Question Bank) | Questions With Correct Answers 2023 | 2024 Graded A+. When performing a visual acuity test the nurse practitioner notes 20/30 in the left eye and 20/40 in the right eye using the Snellen eye chart. This means: a) have the patient returning in two weeks for a follow up vision screen b) dilated the eye and retest c) refer the patient to an ophthalmologist d) document this as a normal finding 2. The American psychiatric association’s diag...

The T-wave on a cardiac monitor tracing is evidence of what change in polarization? - Repolarization of the ventricles What anatomical structure located at the top of the larynx closes the airway and prevents foreign bodies from entering the trachea - Epiglottis Which of the following structures is most likely to cause obstruction of the airway when an anesthetized patient is lying in a supine position - Tongue Blood is pumped to the lungs from the heart through which of the following vess...

Hemat root word for blood Hypo Means below normal, low logy suffix for "the study of" Hepatitis inflammation of the liver cytology study of cells Retinoblastoma tumor of the eye neuropathy disease of the nervous system PHLEB/O/TOMY PHLEB = VEIN O= COMBINING VOWEL TOMY= INCISION, CUTTING B.I.D Twice a day BMP BASIC METABOLIC PROFILE BP Blood Pressure CBC Complete Blood Count Most common requested t...

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:...