What is a wave - Study guides, Class notes & Summaries

What is the formula for calculating cardiac output? A. CO= PA-1 SVC B. CO= AO x PA C. CO= HR x SV CORRECT ANSWERS: C. CO= HR x SV Stroke volume is... A. Related to preload B. Related to afterload C. The same as ejection fraction CORRECT ANSWERS: A. Related to preload Preload is most impacted by... A. Mean arterial pressure B. Increased filling volumes C. Ejection fraction CORRECT ANSWERS: B. Increased filling volumes A patient with chronic untreated hypertension would ...

NYS EMT-B State Exam Written (+200 Questions with Complete Solution) An EMS Provider responds to a call and finds an 8- yr old female with no pulse or respirations. The patient has a history of terminal brain cancer. The family states the last time she as seen alive was 5 mins prior to EMS being called. They also state patient has a DNR oder. In NYS, EMS personnel may accept which of the following DNR instruments as valid? Verbal request from family A. Written non-hospital B. DNR or MOLST for...

Name the two classes of seismic waves. - correct answer-Body waves and surface waves Name the four types of seismic waves. - correct answer-P-waves, S-waves(up and down motion, particles move up and down) , Rayleigh waves, and Love waves Which type of seismic wave has the same mechanism as an acoustic wave in the air? - correct answer-P-wave Name the two major scales by which we measure how big an earthquake is and explain their differences. - correct answer-Intensity: Determines damage...

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...

ARDMS SPI STUDY GUIDE (Ultrasound Physics Certification Test Study |QUESTIONS & ANSWERS |VERIFIED & UPDATED | 2024 In soft tissue, if the frequency of a wave is increased the Propagation Speed (PS) will... - Answer Remain the Same because stiffness and density affect Propagation Speed. What is the audible range? - Answer 20-20,000Hz >20,000Hz=Ultrasound Frequency is measured in - Answer Hertz (Hz) is Cycles per Second Not affected by sonographer Increase Frequency; Decrease Depth ...

Level 2 Module 1 Alternating Currents 2:1 What is the step-down turns ratio of a transformer with 200 turns in the primary and 100 turns in the secondary? induced high voltage Opening the secondary of a CT under load will cause a dangerous level of___. 40Hz What is the hertz rating of an AC circuit if the frequency is 20 cycles per 1/2 second? 340V Given: A circuit has an rms voltage of 120VAC. What is the peak-to-peak voltage? 175V A circuit has a peak voltage of 275V....

The longest vein in the body that's located in the lower extremities - Saphenous All arteries directly or indirectly emerge from which large artery? - aorta This artery carries unoxygenated blood. - pulmonary Flow of blood: ascending aorta, aorta arch, descending aorta, - Common iliac artery The blood component with the highest density - Red blood cells White blood cells that helps protect the body from parasites - Eosinophils What must be present in order to form thrombin - Calcium In t...

CMN 552 Exam 1 Question anWhat two neurotransmitters are most implicated in the pathophysiology of mood disorders? - correct answer norepinephrine and serotonin How are dopamine levels affected in depression and mania? - correct answer Dopamine activity may be reduced in depression and increased in mania How does depression affect sleep neurophysiology? - correct answer Loss of deep (slow-wave) sleep Increase in nocturnal arousal. The latter is reflected by four types of dis...

BNSF Telecom 1 Exam Questions with Correct Answers VHF - Low and High range Very High Frequency - Answer-Low is 30 to 50 MHz High is 150 to 300 MHz UHF - Ultra High Frequency - Answer-300 MHz - 3 GHz Super High Frequency - SHF - Answer-3-30 GHz Extremely High Frequency - EHF - Answer-30-300 GHz Legacy Band - Answer-25 kHz wide channel Very Narrowband - Answer-6.25 kHz wide, digital Narrowband - Answer-12.5 kHz wide analog What is dB and how much power is it - Answer-dB is a de...

RCIS Study Guide 2023 With Correct Solutions 100%Correct. Kilovoltage - Answer What determines the number of electrons generated by an xray tube? -Frame rate -Kilovoltage -Pulse width -Milliamperage Digoxin - Answer What medication is cardiac glycoside? -Lasix -Digoxin -Hyperstat -Hydralazine High common femoral - Answer What type of arterial puncture is associated with an increased risk of retroperitoneal bleeding? -Internal Femoral -External Femoral -Low common femoral -High co...