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Practice Test 1 CCRN (Pass CCRN) Questions and Correct Answers | Latest Update $12.49   Add to cart

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Practice Test 1 CCRN (Pass CCRN) Questions and Correct Answers | Latest Update

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What is vasogenic cerebral edema? -:- Vasogenic cerebral edema is an increase in extracellular fluid caused by a breakdown of the blood-brain barrier with the resultant increase in vascular permeability. This cerebral edema begins locally and becomes more generalized. Common causes are trau...

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  • September 20, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • CCRN
  • CCRN
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2024 /2025 | © copyright | This work may not be copied for profit gain Excel!




Practice Test 1 CCRN (Pass CCRN)
Questions and Correct Answers | Latest
Update
What is vasogenic cerebral edema?


✓ -:- Vasogenic cerebral edema is an incr ease in extracellular fluid caused

by a breakdown of the blood-brain barrier with the resultant increase in

vascular permeability. This cerebral edema begins locally and becomes

more generalized. Common causes are trauma (including surgical trauma),

tumors, hemorrhage, and abscesses




What ventilator parameter indicates fluid volume excess?


✓ -:- An A:a gradient greater than 10 mm Hg is a reflection of a diffusion

defect. Note that the process of diffusion is between A (alveolus) and (a)

arterial blood. An increase in intraalveolar fluid dilutes and inactivates

surfactant, causing alveolar collapse (decreasing vital capacity) and

decreases lung compliance. Peak inspiratory pressure increases reflect a

decrease in lung compliance




What does autonomy refer to?


✓ -:- The patient's right to make decisions for themselves


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,2024 /2025 | © copyright | This work may not be copied for profit gain Excel!




What does beneficence mean?


✓ -:- Obligation to do good




What does nonmaleficence mean?


✓ -:- Obligation to do no harm




What does fidelity mean?


✓ -:- the obligation to abide by agreements and responsibilities




What does veracity mean?


✓ -:- The obligation to tell the truth




What are Diagnosis-Related groups?


✓ -:- DRGs constitute a prospective payment program for Medicare

patients. Payment is based on primary and secondary diagnosis, primary

and secondary procedures, age, and length of hospitalization




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,2024 /2025 | © copyright | This work may not be copied for profit gain Excel!



BNP is secreted in response to?


✓ -:- Ventricular wall stretch




What are omnious signs in a patient with status asthmaticus?


✓ -:- A normalization or increase in the PaCO2. This patient is still

tachypneic, and if ventilation is normal, PaCO2 should be decreased. The

other ominous sign in this patient would be absence of wheezing or

rhonchi, because they would indicate that ventilation is insufficient to

cause these noises.




What problems arise from losses from the GI tract?


✓ -:- Any loss results in hypokalemia. Vomiting results in loss of acidic

contents, whereas losses below the pylorus result is alkalitic losses

leading to metabolic acidosis. Fluid is se questered in the intestine leading

to hypovolemia, which could cause hypovolemic shock.




Actual problems are worse than potential problems!!


✓ -:-




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, 2024 /2025 | © copyright | This work may not be copied for profit gain Excel!



How can you differentiate the cause of jaundice?


✓ -:- An increase in direct bilirubin is associated with biliary obstruction

because direct bilirubin is conjugated. An increase in indirect bilirubin is

associated with hepatic disease or excessive hemolysis because indirect

bilirubin is unconjugated




What antihypertensive meds work best in African american patients?


✓ -:- African-Americans do not respond well to angiotensin -converting

enzyme inhibitors (e.g., captopril [Capoten]), but they do respond well to

an angiotensin II blocker (valsartan [Diovan]). Of th e beta-blockers,

labetalol works best. Of the calcium channel blockers, diltiazem works

best




What lab values define acute respiratory failure?


✓ -:- 50-50!

PaO2<50 and/or PaCO2>50




Hyperkalemia can cause what?


✓ -:- Diarrhea-increases gastric motility


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