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Nurs 403: Exam ① Questions with Correct Answers
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What is the purpose of zeroing invasive pressure monitoring? When is it done? Correct Answer-put to atmospheric pressure confirms that when pressure within system is zero done by opening reference stopcock to room air -may be once a shift -per hospital policy -if system is disconnected f...

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  • August 9, 2024
  • 47
  • 2024/2025
  • Exam (elaborations)
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  • nurs 403 exam questions with correct answers

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Nurs 403: Exam ① Questions with Correct Answers
What is the purpose of zeroing invasive pressure monitoring? When is it
done? Correct Answer-put to atmospheric pressure


confirms that when pressure within system is zero


done by opening reference stopcock to room air


-may be once a shift
-per hospital policy
-if system is disconnected from monitor
-when changing system (bag/tubing)


nob off to pt -->open to air to zero-->new red cap to replace


ECG line
Arterial line
PA pressure line
SPO2
Respiratory rate
noninvasive BP Correct Answer-


Which lines are used for invasive monitoring? Correct Answer-Arteries
(blood pressure)

,Veins (CVP)
Lungs (PA)
Abdomen (Bladder)


Pressure line does not always have to be arterial


Could be distal port (brown) of central line


What is a reason to measure bladder pressures? Correct Answer-
Measuring intra abdominal pressure can be a way to assess compartment
syndrome


Organs swelling can cut off circulation- may not be able to breathe
supine d/t high thoracic pressures. Abdominal HTN starts at 12 mmHg


What can be used to flush arterial line? Correct Answer-ONLY normal
saline and only a very small amount


What test should be done before taking an ABG? Correct Answer-
Allen's test


Where is the location of the phlebostatic axis? Correct Answer-
midaxillary and 4th intercoastal space

,What determines a positive or negative allen's test? Correct Answer-
Positive when normal color does not return within 7 seconds- negative
when it does


Why is it important to zero reference the transducer and perform a
dynamic response (square wave) test during initial setup of the
equipment? Correct Answer-Transducer too high, blood pressure will
read low, too low it will be a false high


What is the purpose of a square wave test? Correct Answer-Recognize
good arterial line vs not good


Square wave test Correct Answer-Observe waveform sharply rise and
"square off", release flush and the waveform returns to baseline—count
the number of oscillations and observe distance between them.


Square wave test


Optimally damped
underdamped
overdamped Correct Answer-


The arterial line tracing Correct Answer-Pressure goes up when systole
begins

, Dicrotic arch occurs when the aortic valve closes (when diastole is
happening)


coronary arteries are perfused during diastole


femoral lines tend to be wider


Arterial line tracings that are normal, overdamped, and underdamped
Correct Answer-


Monitoring image Correct Answer-


What are the risks of arterial pressure monitoring? Correct Answer-
Hemorrhage (when removing hold pressure atleast 5 min)
infection- blood is moving faster so the infection rate is lower
thrombus formation
neurovascular impairment
loss of limb


What is the purpose of a continuous flush irrigation system on arterial
pressure monitoring?


How much fluid is delivered Correct Answer-3-6ml of only NS

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