NUR 425 EXAM 3 NEWEST 2024-2025
COMPLETE 100 QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+||BRAND
NEW VERSION!!
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
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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
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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
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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
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