The p31 - Study guides, Class notes & Summaries

CNIM Practice Exam 1 Question and answers rated A+ 2024 CNIM Practice Exam 1 During a median nerve preoperative study, a patient has discomfort at the wrist. Stimulation electrodes are 10 mm gold disk, stimulus intensity is 20 mA, and stimulus duration is 100 μsec. Which of the following would most likely reduce the patient's discomfort while maintaining adequate stimulation? - correct answer Decrease number of repetitions What is not an advantage of epidural recordings? - correct...

During a median nerve preoperative study, a patient has discomfort at the wrist. Stimulation electrodes are 10 mm gold disk, stimulus intensity is 20 mA, and stimulus duration is 100 μsec. Which of the following would most likely reduce the patient's discomfort while maintaining adequate stimulation? - ANSWER: Decrease number of repetitions What is not an advantage of epidural recordings? - ANSWER: Absence of significant artifact The stimulation rate is determined by the - ANSWER: ana...

A patient with a body temperature of 30 degrees C will have: A- Decreased latencies B- Decreased latencies, decreased amplitudes C- Increased latencies D- Increased latencies, decreased amplitudes - Answer- C- Increased latencies The P31 response to posterior tibial nerve stimulation: A- Is recordable over a generalized region of scalp B- Is best recorded by an electrode placed at CS5 C- Is generated by the thalamus D- Reflects post-synaptic activity in the cervical spinal cord - ...

CNIM apparently on the actual test 100% Correct Solutions An increase in stimulation intensity causes a linear increase of which of the following SSEP components? 1. N20 2. N45 3. P31 4. P37 - Answer -3. P31 Epidural electrodes are made of platinum because 1. It is the most durable metal 2. It is the lowest impedance metal 3. The chance of allergic reaction is eliminated 4. Other metals may become toxic when currents are applied - Answer -4. Other metals may become toxic when current...

CNIM Review - SSEP PTN peak analogous to P14 of Median N SSEP - correct answer P31 in SSEP monitoring during spinal cord surgery, an epidural electrode is placed caudal to the surgical site is used to - correct answer verify adequate stimulation to record to afferent volley after PTN stimulation, an electrode should be placed on the - correct answer T5 spine what is an appropriate filter for a short latency SSEP cortical response? - correct answer 10-3000 Hz during CEA, what SSE...

CNIM Study Guide (NTI) D wave is recorded from Spinal Cord (epidural space) Asynchronous vs. Synchronous EEG patterns - Synchronous - general symmetry, or lateral symmetry: Stimulation in both left and right limb simulatneously - Asynchronous - 2 independent lateralized patterns: Stimulation is given on alternating. First left side then right side What is the posterior pathway? the dorsal column-medial lemniscus pathway (sensory pathway) What are the active and obligate peaks? (field, ...

CNIM Review - SSEP Question and answers already passed 2024 PTN peak analogous to P14 of Median N SSEP - correct answer P31 in SSEP monitoring during spinal cord surgery, an epidural electrode is placed caudal to the surgical site is used to - correct answer verify adequate stimulation to record to afferent volley after PTN stimulation, an electrode should be placed on the - correct answer T5 spine what is an appropriate filter for a short latency SSEP cortical response? - correct ...

CNIM Review - SSEP Question and answers 2024 verified to passCNIM Review - SSEP PTN peak analogous to P14 of Median N SSEP - correct answer P31 in SSEP monitoring during spinal cord surgery, an epidural electrode is placed caudal to the surgical site is used to - correct answer verify adequate stimulation to record to afferent volley after PTN stimulation, an electrode should be placed on the - correct answer T5 spine what is an appropriate filter for a short latency SSEP cortic...

Hair cells - ANSWER: Cochlear microphonics are used to monitor what? Increase in delta power and increase in alpha-beta power - ANSWER: What is the effect on EEG from induction using isoflurane? A. Decreased delta followed by increased alpha/beta B. Increase in delta power and increase in alpha-beta power C. Increase in low-voltage fast activity D. Increased power at all frequencies limb length - ANSWER: What determines the latency of SSEPs most? Lowering the impedances of ground...

CNIM PRACTICE QUESTIONS AND ANSWERS WELL ILLUSTRATED. ANASTAMOSIS? - correct answer. -CONNECTION or opening BETWEEN two things (especially cavities or passages) that are normally diverging or branching, such as between blood vessels. -COMMUNICATION BETWEEN ARTERIES What causes the most airborne bacteria in OR? a. blood on gown b. blood spill c. skin shed d. patient vent - correct answer. c. skin shed Nerve that innervates 4th and 5th fingers? - correct answer. ...