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2023-2024 BKAT9R Critical Care Practice Exam With Answers (270 Solved Questions)

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    BKAT 9R and ICU BKAT Latest Updated Questions and Correct Answers 2023 - 2024 ICU BKAT What rhythm is dangerous as the ventricular rate can suddenly increase? - ANSWERS - aflutter Major therapeutic goal of cardiogenic shock? - ANSWERS - Increased cardiac output Elevated cardiac iso - enzyme occur when___ - ANSWERS - closed chest injury, pericarditis, cardiac surgery, MI ECG change with muscle injury in an acute MI - ANSWERS - STEMI Systolic murmur that is auscultated 2nd intercostal space, right sternal border is called - ANSWERS - aortic stenosis what is the importance of synchronizing during cardioversion? - ANSWERS - to prevent aflutter with RVR and R on T wave List some signs of ca rdiac tamponade - ANSWERS - Decreased systolic blood pressure, JVD, pulsus paradoxus Initial measures for the treatment of angina pectoris are: - ANSWERS - MONA (morphine, oxygen, nitroglycerin, aspirin QRS complex wider than 0.12 seconds most likely indicat es - ANSWERS - Bundle branch block Upon recognizing ventricular fibrillation, the nurse's first priority is - ANSWERS - responsiveness treatment of symptomatic complete heart block in an emergency - ANSWERS - transcutaneous pacing What is the treatment for a patient in aflutter RVR - ANSWERS - cardioversion and amiodarone (cardizem) using a biphasic defibrillator, how many joules do you use on the first debrillation? - ANSWERS - 120 - 200 joules

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    excessive amount of chest tube drainage during the first hours follow ing thoracic surgery? - ANSWERS - 150cc EKG changes in hyperkalemia - ANSWERS - QRS wide, tall peak T wave how long should you apply pressure over an arterial - ANSWERS - 8 - 10 minute central venous pressure directly reflects pressure in the ___ - ANSWERS - righ t atrium pulmonary artery occlusion [wedge] pressure (PAOP) reflects pressure in the - ANSWERS - L ventricle elevated CVP may indicate - ANSWERS - Left ventricle failure most important nursing step in preventing CLABSI - ANSWERS - handwashing low volume alarms in the ventilator are caused by - ANSWERS - leak, disconnection, cuff leak, esophageal intubated high volume alarms on the ventilator are caused by - ANSWERS - ETT obstruction, pulmonary edema tidal volume, decreased lung compliance most ap propriate nursing action for proper positioning of the ET tube - ANSWERS - auscultate bilaterally normal ABG ranges (pH, PaCo2, HCO3, pO2) - ANSWERS - pH: 7.35 - 7.45, PaCo2: 35 - 45, HCO3: 22 - 26, pO2: 80 - 100 how many mm Hg does it take to suction a patient - AN SWERS - 120 mmHg patient with a R anterior chest; you hear diminished breath sounds on the left posterior base. What could be the cause? - ANSWERS - atelectasis a patient that has an ET tube verbalizes "yes", what would be an appropriate nursing action? - AN SWERS - check the cuff most likely cause for diminished breath sounds in a patient with closed chest injury - ANSWERS - pneumothorax most important nursing action to prevent VAP - ANSWERS - handwashing deepening of intracranial pressure is characterized by - ANSWERS - widened pulse pressure

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    most important nursing activity for a patient with cervical spine injury - ANSWERS - immobilize head what is the most important nursing observation for a patient with a cervical spinal injury - ANSWERS - respirations earliest sign of increased ICP - ANSWERS - change in LOC positive babinski response in an adult indicates - ANSWERS - abnormla response most important part of a neuro check - ANSWERS - LOC S&S of DKA - ANSWERS - fruity breath, Kussmul breath, mentation status, dehydrate, thirsty S&S of hypoglycemia - ANSWERS - weakness, headache, dizziness, diaphoresis treatment for DKA - ANSWERS - insulin drip, potassium replacement, IV fluid patients with DM require more/less insulin when acutely ill - ANSWERS - More which insul in when given sub - q will have a peak action in 2 - 4 hours? - ANSWERS - regular in how many hours would expect NPH to have an insulin reaction - ANSWERS - 8 - 14 hours s/s of diabetes insipidus - ANSWERS - extreme thirst, increased sodium, change in mentation stat us, polyuria, decreased urine osmolity minimal urine output per hour - ANSWERS - 30cc what would you do with medications excreted through the kidneys during AKI - ANSWERS - decrease the dose diet restrictions for renal failure patient - ANSWERS - decrease pot assium, protein, and fluids psychophysiological stress response from acute illness can result in decreased - ANSWERS - urine output in an acute renal failure patient, they become short of breath of tachycardia. what do you their problem is - ANSWERS - fluid overload a patient has continuous enteral tube feeding, what is the most important nursing intervention to prevent aspiration - ANSWERS - keep HOB above 30 degree

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    what is the best standard for checking safe placement of an NG tube - ANSWERS - Xray if you suspect your patient is having a blood transfusion reaction, what is the first thing you should do - ANSWERS - stop it, check VS, and run NS The most important treatment related to burns in the first 24 hours - ANSWERS - fluid replacement a patient su ddenly develops shortness of breath post R femur fracture, what do you think is the cause? - ANSWERS - fat embolism dangerous effect of rapidly re - warning a hypothermic patient - ANSWERS - vasodilation what are the manifestations of digitalis toxicity? - ANS WERS - halo, nausea, tachycardia, anorexia what affect does nitroprusside (Nipride) and dobutamine (Dobutrex) have on cardiac output? - ANSWERS - decrease preload, decrease afterload, increase contractibilty a patient received TPA, what would make you discon tinue the infusion? - ANSWERS - change in mentation why must you be mindful of your IV site when administering IV dopamine? - ANSWERS - tissue necrosis initial drug for sustained v - tach with a pulse - ANSWERS - amio 150 over 10 minutes first drug used for asy stole - ANSWERS - epi TPA must be administered within - ANSWERS - 4 hours what drugs crystallize when given IV with D5? - ANSWERS - phenytoin antidote for heparin - ANSWERS - proatamin name some medications that can treat atrial fibrillation and atrial flutter? - ANSWERS - cardizem and amiodarone drug of choice to reduce increased ICP - ANSWERS - mannitol what medication do you give for symptomatic bradycardia - ANSWERS - atropine what are some precautions to take when infusing IV nitroprusside? - ANSWERS - protect from light

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    what drug must be tapered off slowly to prevent acute adrenal insufficiency - ANSWERS - cortisone complete heart block - ANSWERS - aflutter - ANSWERS - vtach - ANSWERS - arterial line waveform - ANSWERS - failure to capture pacemaker - ANSWERS - vfib - ANSWERS - look up pulmonary wedge pressure waveform - ANSWERS - :p Beta Blockers - ANSWERS - Initial measures for the treatment of angina pectoris do not include which response below? ST segment elevation - ANSWERS - The classical ECG change with muscle injury in acute myocardial infarction is: CHF - ANSWERS - Elevated cardiac iso - enzymes generally do not occur in which response below? Increased CO - ANSWERS - The major therapeutic goal in the treatment of cariogenic shock is to: Reduces preload and after load and improves contractility - ANSWERS - You receive orders to start nitroprusside and dobutamine in your patient with end - stage cardiomyopathy. How will this tx regimen affect CO? Encou rage the patient to ventilate his/her concerns - ANSWERS - In dealing with a depressed pt during the first days post AMI the most appropriate nursing action would be: change in mental status - ANSWERS - Mr Seamore is receiving thrombolytics (TPA) 3 hrs after an AMI. Which of the following would most likely require discontinuing the infusion? Pulmonary artery occlusion (wedge) - ANSWERS - The following monitor pattern would indicate that the pulmonary artery (swan ganz) catheter is in which position? Aortic ste nosis - ANSWERS - A systolic murmur that is auscultated at the 2nd intercostal space, right sternal border is called:

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