PSG 113 Exam 2 Questions and Answers 100% correct

PSG 113 Exam 2 Questions and Answers 100% correct Sudden cardiac arrest (SCA) _____ occurs when the heart develops an arrhythmia that causes it to stop beating. Heart Attack Heart continues to beat but the heart muscle is damaged due to little or no blood flow from a blocked artery. True Back pain, nausea and vomiting could be a symptom of a heart attack. (T OR F) Coronary Artery Most heart attacks happen when a clot in the _______ blocks the supply of blood and oxygen to the heart. Brain A stroke happens when blood flow to a part of the __________ is interrupted because a blood vessel is blocked or burst open. Starts suddenly and may be severe Occurs when they are lying flat Wakes them up from sleep If your patient has a headache what are some symptoms that might make you think it is a stroke? Stroke Your patient is having these symptoms what do you think is happening? Numbness or tingling on one side of the body, confusion, slurred speech. Call 911 If you suspect you patient is having a stroke, what should you do? Arrhythimias (abnormal rhythm) Problems that cause abnormal heart rhythms are called. Henry Dale, Neurotransmitter In 1914, ____________ demonstrated the physiological action of acetylcholine, which is later identified as a ___________. 50 billion There are around ______________ nerve cells of the brain work together to coordinate everything from our heart beating to complex behaviors. Neurons ___________ are the structure and functional units of the nervous system. Axons ___________ carries a nerve impulse away from the body. Dendrites _______ carries a nerve impulse toward from the body. Glial Cells ______________ are special types of connective tissue cells that help support and protect neurons. Brain & Spinal Cord The central nervous system consists of ________ and ________. Forebrain, Midbrain, Hindbrain The brain has three main parts: Temporaral Lobe Which lobe of the brain is associated with memory? 1808 What year did Franz Joseph Gall propose that specific brain regions control specific functions? Cell body, Dendrite, & Axons Neurons are not composed of __________. Central & Peripheral The nervous system can be divided into two main categories. Hindbrain The __________ is made of the cerebellum, pons, and medulla. Creativity The right hemisphere of the brain is associated with ___________. Corpus Callosum The __________ is a bundle of axons which connects the hemispheres of the brain. Amygdala Memory, emotion and fear are functions of the ____________. 1929 What year did Hans Berger use the human scalp electrodes for EEG? Temporary Which is not a lobe of the brain? Head The term Rostral means? Thermister The AASM recommends you score apneas using the: Sampling Rate The number of voltage measurements per second used to convert to the continuous sleep study signals into a digital signal. Montage A sequence of channels on a PSG. 30 The optimal paper speed for a polysomnography recording is a _____________ second screen. 60 240 You can score the breathing events portions of the study in a _________ second screen. Choose all that apply. Referential EEG, EOG, and the Chin use a _______ montage. Bipolar EKG, Thermistor and the Chest belt use a ________ montage. BIPAP SPO2 CPAP CO2 Monitor Examples of DC devices include: Choose all that apply. False With paper recorded PSG studies you are able to adjust the HFF, LFF and Sensitivity after the recording has ended. Analog-to-digital conversion board A ________ converts the signal to a digital form that can be store and manipulated by a computer. Twice The sampling rate must be more than ________ frequencies being recorded to avoid signal distortion. 0.3, 35 Hz What (low, high) filter settings are recommended for PSG recording (display) of EEG and EOG derivations? 10 Hz, 100 Hz What are the recommended (low, high) filter settings for display of EMG? 200 Samples/Sec. What is the minimal recommended sampling rate for recording EEG, EOG, and ECG signals? 25 Samples/Sec. What is the minimal recommended sampling rate for airflow, ribcage, and abdominal movements, and NP? Which of the following is true about the effect of a low filter setting of 0.3 Hz? 10 Seconds/Sec. What is the minimum recommended sampling rate to record the oximetry signal?