Emg - Study guides, Class notes & Summaries

What is the difference in threshold between muscle and nerve fibers? Correct Answer-The nerve fiber has a lower threshold for activation than muscle fibers What is the relationship between the length of a tendon and its compliance? Correct Answer-Longer tendons means it has more compliance Are nerves myelinated? Correct Answer-Yes Are muscles myelinated? Correct Answer-No they aren't What is curare? How does it work? Correct Answer--A drug that if taken can produce paralysis by inte...

PSA FLIGHT ATTENDANT EXAM 1 2024 *All Emergency Equipment Must - ANSWER ☑☑A.) Be inspected regularly in accordance with established inspection periods B.) Be accessible to crew - including equipment located in customer compartments What is an Emergency Equipment Placard? - ANSWER ☑☑-A sign for display -Affixed to the A/C -That identifies EMG equipment by pictures or words *What is stowed in compartments placarded by emergency equipment? - ANSWER ☑☑Designated...

DPT 712: CLINICAL ELECTROPHYSIOLOGY EXAM QUESTIONS WITH VERIFIED ANSWERS GRADED A++ What is EMG? Measurement of a muscle contraction's electrical activity The summation of action potentials from contracting muscle fibers How do the number of muscle fibers firing relate to what is seen in the EMG? The more muscle fibers that fire, the greater the number of APs recorded and the greater the EMG voltage What is intramuscular EMG? Analyzes individual APs from a motor unit to determine the e...

Bruxism Scoring CORRECT ANSWER 1. May consist of brief or sustained elevations of chin EMG activity at least twice the amplitude of background EMG. 2) 0.25 - 2 seconds in duration and if at least 3 elevations in a regular sequece. 3) sustained elevations of chin EMG if more than 2 seconds. 4) 3 seconds of stable background before new episode can be scored 5) It can be scored with a min of 2 audible tooth grinding (in absence of epilepsy) EFM (Excessive Fragmentary Myoclonus) CORRECT A...

health-related vs skill-related fitness correct answers health-related: muscular strength and endurance skill-related: muscular power acute responses to resistance training correct answers neurological adaptations - EMG amplitude increases and number of motor units increases until fatigue sets in muscular adaptations - metabolites build-up, and fuel substrates start to deplete. increased hydrogen ion concentration due to dissociation of lactic acid, increased inorganic phosphate conce...

Decreased time base (analysis time/display time/epoch) or increase paper speed, to spread out the waveforms to better resolve the fast activity and spikes. How did this change improve the sample above in question 134 ? (In the sample below, the same data is modified and reformatted again. What parameter changed in the following sample? How does this help?) a. Better localization of focus b. Better resolution of spike morphology and anterior dominance c. Enhanced analysis of EKG monitor d. B...

CPSGT EXAM QUESTIONS AND ANSWERS 100% PASS CHF - Correct Answer ️️ -congestive heart failure Research has shown that patients with narcolepsy with cataplexy have a deficiency of: - Correct Answer ️️ -Hypocretin The measure taken during MSLT with the best sensitivity and specificity for narcolepsy is: - Correct Answer ️️ -2 or more episodes of stage R sleep The narcolepsy tetrad includes - Correct Answer ️️ -Excessive daytime sleepiness, sleep paralysis, hypnagogic halluci...

SDS Exam – NBRC Questions and Answers 100% Pass The recommended HFF for recording electocardiograph channel is 70Hz Which of the following would best describe rhythmic movement disorder? 1. Minimum frequency of 0.3Hz 2. Max frequency of 2.0Hz 3. Min number of 4 rhythmic movements a.1,2 b.2,3 c.1,3 d.1,2,3 b A 14 year old boy is undergoing an overnight sleep study and has been stared on CPAP. The pt is currently on 8cmH2O CPAP. What is the recommended max CPAP pressure for this pt 20cmH...

RPSGT EXAM MOCK QUESTIONS AND ANSWERS 100% PASS enhanced artifact - Correct Answer ️️ -The failure to remove electrode paste residue will MOST likely result in: a. discarded electrodes. b. enhanced artifact. c. improved detergent selection. d. improvement in adherence. Initiate emergency response system - Correct Answer ️️ -The most appropriate action a technologist would take when there is confirmed ventricular tachycardia lasting greater that 30 seconds is: a. Initiate emerg...

IONM for CLTM boards Questions with complete solution 2024 1st change seen in scalp EEG during occlusion of the cartotid artery - correct answer ipsilateral decreased amplitude in fast activity what can help eliminate problems with distortion of anatomy by pathological processes and the difficulty of monitoring visually for body movement - correct answer multi-channel EMG recordigns True or False: a previous history of stroke increases the risk for aneurysm - correct answer False inc...