Depolarization - Study guides, Class notes & Summaries

Afferent - Signal to the brain, input Efferent - motor, output sensory receptors - receptors of the nervous system Control center of CNS - Brain Effectors of nervous system - muscles and glands transduction - How sensory information is received What is the CNS composed of? - brain and spinal cord What is the PNS composed of? - cranial nerves III-XII, Spinal nerves, ganglia, enteric plexuses, sensory receptors ganglion - collection of nerve cell bodies in the peripheral ne...

What lab level should be checked for a possible MI? correct answer: Troponin What indicates metabolic acidosis? correct answer: Low bicarb and low pH What signs would be expected for sustained blood loss? correct answer: Hypotension and a weak, thready pulse What does the P wave indicate on a rhythm strip? correct answer: Atrial depolarization before the QRS What is a possible reason for lower extremity edema and what lab is used to diagnose? correct answer: R sided heart failur...

ventricular filling QRS Complex Normal is <0.12 seconds usually between 0.06 to 0.10 seconds Ventricular depolarization QT Interval Normal 0.36-0.46 6 Steps for Rhythm Interpretation Determine Regularity Calculate the Rate Evaluate the P wave Measure the PRI Evaluate the QRS Width Evaluate the T wave and Calculate the QTI Normal Sinus Rhythm Regularity: atrial and ventricular rate are regular Rate: 60 to 100 beats per minute P wave: upright, smooth, round and uniform shape, on...

What types of things does the Behavioral Pain Scale (BPS) assess and what score indicates significant pain? correct answer: 1. Facial expression (relaxed vs. grimacing) 2. Upper limbs (no movement vs. permanently retracted) 3. Compliance with ventilation (tolerating movement vs. unable to control ventilation/fighting vent) >5 What types of things does the Critical-Care Pain Observation Tool (CPOT) assess and what score indicates significant pain? correct answer: 1. Body movements (a...

BIOS 1300 Exam 4 (2023/2024) Already Passed what are the functions of the nervous system sensory integration motion what is the sensory function of the nervous system recognize changes in environment what is the integration function of the nervous system analysis of sensory information what is the motor function of the nervous system signals to effectors what are the two divisions of the nervous system central and peripheral what is the sensory division of the peripheral nervous system soma...

Sensory receptors Answer -Receptors convert stimuli in the environment into generator potential on sensory neuron -Sensory Neurons can be part of receptor or synapse on the receptor - different types of receptors are particularly sensitive to different, specific stimuli receptors cont. Answer -they can be free nerve endings on sensory nerves - receptors are sensitive to tissue damage and initiate sensation of pain via graded membrane potential charge -they can be specialized, independent...

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...

CRAT Exam Questions And Answers Latest Update 2023/2024 Graded A+ . In addition to recording the ECG and preparing the report, an ECG technician must be able to: A. Determine if the tracing is accurate and recognize if interference causes abnormalities during the recording process. B. Evaluate tracing, recognize abnormal heart rhythms, and report abnormalities to the appropriate health care professionals. C. Maintain patient records and evaluate tracings. D. Perform ultrasounds on blood ...

Patient's with Rett's syndrome usually develop normally until age what? a. 18-24 months b. 3-6 months c. 6-18 months d. 2-4 years correct answer: c. 6-18 months Which of the following is most likely to be associated with a normal EEG? a. left frontal subdural hematoma b. left frontal abscess c. acoustic neuroma d. cerebellar abscess correct answer: d. cerebellar abscess During an absence seizure the technologist should? a. stop recording and go to the patient's aid b. turn t...

Kaiser EKG Test Exam With Verified Correct Answers 204