NUR 425 Exam 3 WITH ACTUAL CORRECT DETAILED ANSWERS
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Course
NUR 425
Institution
NUR 425
NUR 425 Exam 3 WITH
ACTUAL CORRECT DETAILED ANSWERS NUR 425 Exam 3 WITH
ACTUAL CORRECT DETAILED ANSWERS NUR 425 Exam 3 WITH
ACTUAL CORRECT DETAILED ANSWERS NUR 425 Exam 3 WITH
ACTUAL CORRECT DETAILED ANSWERS NUR 425 Exam 3 WITH
ACTUAL CORRECT DETAILED ANSWERS NUR 425 Exam 3 WITH
AC...
CURRENTLY TESTING SOLUTIONS NUR 425 Exam 3 WITH
ACTUAL CORRECT DETAILED ANSWERS
Which of the following is the body's first line of defense against an acid-base imbalance? - ANSWER-
Chemical and protein buffers
In regards to acid-base imbalance, what does "compensation" mean? - ANSWER-It is the body's attempt
to correct the acid-base imbalance
Which of the following places a patient at risk for a state of acidosis? (SELECT ALL THAT APPLY)
a. A patient with severe anxiety
b. A patient rescued from a drowning
c. A patient who consumed an entire bottle of Tums
d. A patient with severe diarrhea
e. A patient with kidney failure - ANSWER-B,D,E
In general, respiratory alkalosis is due to what? - ANSWER-Breathing too quickly and/or deeply
Which of the following values is associated with "alkalosis"?
,(SELECT ALL THAT APPLY)
a. ph: 7.5
b. CO2: 30
c. HCO3: 20
d. CO2: 45
e. HCO3: 45 - ANSWER-A,B,E
The amount of air in milliliters to be delivered with each breath describes which ventilator setting? -
ANSWER-Tidal Volume
Patients A and B are both on mechanical ventilatory support.
Patient A is receiving an FiO2 of 70% and patient B is receiving an FiO2 of 30%
Which statement about these patients is most accurate? - ANSWER-70% of the air being delivered to
patient B is NOT oxygen
What is the nurse's responsibility related to intubation? - ANSWER-Monitor the patient's SaO2 and alert
the team of any complications during intubation attempts
Which of the following is true about pressure versus volume modes? - ANSWER-Pressure modes deliver
breaths with a set amount of pressure measured in cmH20
,What is PEEP? - ANSWER-The amount of pressure delivered at the end of exhalation aimed at keeping
the alveoli open
Which of the following is the correct formula for calculating CPP? - ANSWER-MAP-ICP=CPP
Which of the following is a normal ICP value? - ANSWER-9
Which of the following is a normal CPP value? - ANSWER-80
According to the Monro Kellie Hypothesis, which of the following is true? - ANSWER-If the volume of the
brain increases, the blood and/or CSF must decrease
Calculate this patient's CPP and determine what nursing intervention is indicated
MAP: 72
ICP: 20 - ANSWER-CPP is 52, measures to reduce ICP are indicated
A 55 year old male with a brain tumor is hypoxic and hypercarbic (high CO2), what is he at risk for? -
ANSWER-Increased ICP due to cerebral vasodilation
Calculate this patient's CPP and determine what nursing intervention is indicated
MAP: 50
ICP: 5 - ANSWER-CPP: 45
Administer prescribed norepinephrine
Which could be a cause of increased intracranial pressure?
, (SELECT ALL THAT APPLY)
a. hip extension
b. hydrocephalus
c. reduced outflow of blood from the brain
d. pain
e. anxiety - ANSWER-B,C,D,E
Homeostasis - ANSWER-crucial to sustain life
Acid Base Imbalance - ANSWER-just a symptom of disease- not a disease itself
Examples of health problems that lead to imbalance: - ANSWER-DM
COPD
Kidney disease
GI Disturbances
Drawing an ABG - ANSWER-Specimen comes from arterial blood;
- thus the A
Can be a direct stick to the artery - (radial, brachial, or femoral)
If frequent ABG's needed
- an Arterial Line is usually placed
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