q3 When observing atrial flutter or atrial

q3 When observing atrial flutter or atrial fibrillation on the EKG, what distinctive feature are you most likely to notice? 1. There is a ‘sawtooth’ line comprised solely of uniformly asymmetrical R-waves 2. Heart rate in excess of 900 beats per minute 3. 1:2 ratio of P-waves to QRS complexes — the P-less QRS complex has a wide “sawtooth” waveform 4. Sawtooth or ‘wiggly’ pattern completely obscuring the electrical baseline, as well as any P-waves q4 What is the signature diagnostic split between STEMIs and NSTEMIs? 1. STEMIs display an especially long ST segment on the EKG, while NSTEMIs do not 2. STEMIs display an elevated ST segment on the EKG, while NSTEMIs do not 3. NSTEMIs have an incredibly short ST segment that appears to be ‘missing’, while STEMIs do not 4. NSTEMIs show evidence of nodal re-entrant tachycardia, while STEMIs do not q5 Which of these best describes the phrase “Ventricular Trigeminy”? 1. A PVC is followed by three P-waves without QRS complexes, before normal rhythm returns 2. After a PVC, there’s a brief heart-rate spike in which you’ll see three R-waves in the time the normal rhythm would show two 3. Three PVCs are encountered sequentially 4. A PVC occurs routinely after every second ‘normal’ beat, creating a three-beat rhythm q6 Why aren’t digitalis glycosides (i.e., digoxin) frequently used? Digitalis is a natural substance — it’s preferable to use synthetic substances to more easily avoid contamination Digitalis glycosides usually have a slow activation time, and aren’t suitable to emergency use as a result Digitalis is a wholly synthetic substance — difficult to procure and often very expensive Digitalis toxicity develops unpredictably, is difficult to detect, and can easily be fatal q7 Which of these patient rights is NOT covered by informed consent? 1. The right to deny treatment or examination for any reason, even at their own expense 2. The right to know the names and roles of every single person who will be providing them with any kind of care 3. The right to demand and receive specific treatment modalities, regardless of the physician’s judgment 4. The right to complain without fear of reprisal q8 While looking at Mr. Doe’s EKG readings, you notice several small, uniform positive deflections on his rhythm strip. They only appear in Lead V1, and don’t appear to correlate to cardiac activity at all. This is probably… 1. Electrical interference from the computer — you turn it off since you don’t need it right now 2. Electrical interference from the EKG machine — time to turn off everything else in the room and reboot it! 3. Electrical interference from the V1 electrode — it’s probably dirty, so you clean it, put on new adhesive, and reapply it 4. Electrical interference from a patient’s implant — nothing to be done about it, so you move on Please answer in this manner, ex: q1 ans 2 Thank you. SCIENCE HEALTH SCIENCE NURSING NSCI NSCI-2841

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