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Adult CCRN/PCCN Certification Practice Test 2025/2026 Exam Questions and Answers | 100% Pass One day following posterior spinal fusion surgery a 35 year old female suddenly exhibits restlessness, labored breathing and acute chest pain. Her heart rate is 122/min., she is afebrile, and exhibits slightly diminished breath sounds on the right side. The findings described above should lead the nurse to suspect that the patient has developed: A. A spontaneous pneumothorax B. A pulm...

HR, RR and blood pressure variability during NREM sleep - HR, RR and blood pressure all stable Skeletal muscle tone in NREM vs REM sleep - Preserved during NREM, absent during REM Response to CO2 and O2 during NREM sleep - same as awake temperature changes during NREM sleep - homeothermic temperature changes during REM sleep - poikilothermic (inability to regulate body temp) HR, RR and blood pressure variability during REM sleep - HR, RR irregular, blood pressure variable Brain O2 co...

16-18 hours per day; sleep is polyphasic. - Newborns 14-15 hours and levels off around that value. Sleep becomes less distributed, with primary sleep at night and nap(s) during the day. - 16 weeks sleep continues to decline; duration is 10-12 hours - ages 2-5 years sleep becomes monophasic; duration about 10 hours - age 10 sleep duration declines sharply to 8-9 hours; circadian phase delay - adolescence, sleep duration is relatively stable around 7-8 hours - adulthood

Anterior wall MI - Leads affected: V2-V-4. Usually involves LAD. ECG changes-Qwaves, STsegment elevation. Higher mortality rate. Assoc with more serious dysrhythmias (2nd and 3rd degree blocks). Assoc with decrease EF and heart failure. Most dangerous due to amt of muscle damage and injury to ventricular conduction system-L and R Bundle branches Inferior wall MI - Leads affected: II, III and avf. Usually involves RCA. ECG changes-Qwaves, ST segment elevation. Lower mortality rate. Asso...

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adult CCRN/PCCN certification practice test | Q&A Latest 2024/2025 | 100% PASS One day following posterior spinal fusion surgery a 35 year old female suddenly exhibits restlessness, labored breathing and acute chest pain. Her heart rate is 122/min., she is afebrile, and exhibits slightly diminished breath sounds on the right side. The findings described above should lead the nurse to suspect that the patient has developed: A. A spontaneous pneumothorax B. A pulmonary embolus C. Aspira...

Adult CCRN Notes Exam Questions and Verified Detailed Answers | Graded A+ What is preload? - Preload, also known as the left ventricular end-diastolic pressure (LVEDP), is the amount of ventricular stretch at the end of diastole. Think of it as the heart loading up for the next big squeeze of the ventricles during systole. Some people remember this by using an analogy of a balloon - blow air into the balloon and it stretches; the more air you blow in, the greater the stretch. What i...

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