B260 Fundamentals: Final Review with Complete Solutions
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Course
NURS B260
Institution
NURS B260
B260 Fundamentals: Final Review with Complete Solutions
Oxygenation - Correct Answer
Ventilation - Correct Answer process of getting O2 in and out of lungs
Perfusion - Correct Answer Getting oxygenated blood to tissue
Diffusion - Correct Answer Process of exchanging gas in the alveoli an...
B260 Fundamentals: Final Review with Complete
Solutions
Oxygenation - Correct Answer Ventilation - Correct Answer process of getting O2 in and out of lungs
Perfusion - Correct Answer Getting oxygenated blood to tissue
Diffusion - Correct Answer Process of exchanging gas in the alveoli and capillaries of the body tissues.
Intrapeular space is... - Correct Answer negative and becomes more negative in order
Stroke volume is affected by.... - Correct Answer 1. preload
2. after load (resistance to left ventricle) 3. contractility
Physiological factors affecting oxygenation - Correct Answer 1. Decreased oxygen-carrying capacity (anemia)
2. Hypovolemia (dehydration and hemorrhage)
3. Decreased inspired oxygen concentration (high altitudes) 4. Increased metabolic rates (Fever)
Factors affecting chest wall movement - Correct Answer 1. Pregnancy
2. Kyphosis/Pectus excavatum
3. Trauma
4. Obesity
5. Trauma
6. Neuromuscular disease
7. CNS alterations
8. Chronic disease (COPD) Hypoventilation - Correct Answer Respiration rate is low and depth is low
CO2 is accumulating
Hyperventilation - Correct Answer Ventilation is in excess (removing too much CO2)
Rate and depth are increased
Which is NOT a cause for hyperventilation?
Fever
Atelectasis
Drugs
Anxiety - Correct Answer Atelectasis
Hypoventilation causes - Correct Answer Atelectasis and collapsed alveoli
Hyperventilation causes - Correct Answer Anxiety
Drugs
Fever
Acid/Base imbalance
infection
Hypoxia causes: - Correct Answer 1. Decreased Hgb (carrying capacity)
2. Impaired diffusion (pneumonia)
3. Diminished O2 inspired 4. Impaired ventilation
Oxygenation interventions - Correct Answer 1. Raise HOB
2. O2 via nc (up to 6 lpm)
3. Incentive spirometry
4. Cough 5. Liquids
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