Posted: July 23rd, 2023

PN3 Laboratory Assignment

PN3 Laboratory Assignment

Student Name: __________________________ Date ___ / ___ / _____

Artificial Airways
1. What nursing observation indicates that an unplanned extubation of an endotracheal tube has occurred?
a. The high-pressure ventilator alarm activates
b. The client is able to speak
c. Increased swallowing efforts by the client
d. Increased crackles (rales) over the lung fields
2. Identify the flow rate and the approximate oxygen concentration for the following:
a. Nasal Cannula LPM=___________ O2%= _________
b. Simple facemask LPM=___________ O2%= _________
c. Partial non-rebreathing mask LPM=___________ O2%= _________
d. Non-rebreathing mask LPM=___________ O2%= _________
e. Artificial airway LPM=___________ O2%= _________
3. Which action does the nurse use to prevent harm by loss of tracheal tissue integrity in a client with a tracheostomy?
a. Providing meticulous oral care every 4 hours
b. Deflating the cuff for 15 minutes every shift
c. Inflating air in the cuff to prevent ventilator alarms from sounding
d. Maintaining cuff inflation pressures less than 25 cm H20
4. Which action does the nurse take care to avoid while suctioning a client’s tracheostomy tube?
a. Twirling the catheter while applying suction
b. Applying suction only when withdrawing the catheter
c. Performing oral suctioning before suctioning the artificial airway
d. Lubricating the suction cather with sterile saline before insertion

EKG Laboratory assignment
EKG Introduction
1. List 3 ways to improve contact between the electrode and the skin?
a. _____________________________
b. _____________________________
c. _____________________________
2. What do the vertical lines on the graph paper tell you? _________________________
3. What do the horizontal lines on the graph paper tell you? _______________________
4. How much time is one small box on the EKG paper? _______ one large box? ________
5. What are the five waves found in a single cardiac cycle?
a. __________ c. __________ e. __________
b. __________ d. __________
6. List three factors capable of producing artifact on the EKG tracing.
a. _____________________________
b. _____________________________
c. _____________________________
7. What is so important about the relative refractory period? _______________________
8. How do you know if a rhythm is regular? ___________________________________
9. Why is it necessary to have an organized format for interpreting EKG rhythms? _______________________________________________________________
Sinus Rhythms
1. Why do sinus rhythms have upright P waves?
_______________________________________________________
2. In a Normal Sinus Rhythm (NSR) what will the rate range be? ____________________
3. What is the defined P-R interval PRI for NSR? _______________________________
4. NSR is defined as being (irregular or regular)? _______________________________
5. What should the QRS measurement be to be called NSR? ______________________
6. In Sinus Bradycardia (SB) what will the rate range be? __________________________
7. What is the one difference in SB when comparing to NSR?_______________________
8. Is sinus tachycardia (ST) considered to be (regular or irregular)? __________________
9. What is the PRI for ST? ______________________________________________
10. How does ST differ from NSR? _________________________________________

Rhythm interpretation

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