NUR 2392 Multidimensional Care II
MDC 2 - Exam 2
A client is in acidosis. What lab test is a priority to monitor?
Correct Answer:
Potassium
Alkalosis decreases the sensitivity of excitable tissues
Correct Answer:
False
A patient comes into the ED with delirium and confusion. He has a history of severe sleep apnea. Which acid-base imbalance is he most at risk for?
Correct Answer:
respiratory acidosis
What are some common causes of respiratory alkalosis?
Correct Answer:
fear, hyperventilation, anxiety
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Compensation is the body's attempt to restore its pH level to homeostasis.
Correct Answer:
True
What pH levels are typically fatal?
Correct Answer:
less than 6.9 or greater than 7.8
The following parameters indicate which acid-base imbalance? pH 7.44 PCO2
39 HCO3 30
Correct Answer:
Compensated Metabolic Alkalosis
Backward flow of stomach contents into the esophagus causes which upper GI disorder?
Correct Answer:
GERD
Why do obesity and hiatal hernias increase the risk for the development of GERD?
Correct Answer:
they increase intra-abdominal pressure
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Explain Barret's epithelium
Correct Answer:
substitution of columnar epithelial instead of squamous cells Resistant to acids considered pre-malignant
Barrett's epithelium
Correct Answer:
replacement of the squamous cell epithelium of the lower esophagus with new tissue that is more resistant to acid but is considered premalignant.(almost similar to scar tissue that is thicker and tougher)
Key features of GERD
Correct Answer:
belching, heartburn, hoarseness, coughing
Life style changes to control acid reflux
Correct Answer:
weight loss eliminate fatty foods avoid alcohol and tobacco (number of meals eaten per day dose not matter) stay upright after eating for at least one hour
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