Fundamentals of Nursing:
Oxygenation Exam Questions with
Correct Verified Answers Latest
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1. Hypovolemia - ANS ✓Abnormally low circulating blood volume
2. Conditions Affecting Chest Wall Movement (7) POMTNCC - ANS
✓1. Pregnancy (Inspiratory Capacity Declines)
2. Obesity (Reduced Lung Volumes)
3. Musculoskeletal Abnormalities (Structural Configuration, Trauma,
Muscular Disease, CNS)
4. Trauma (Flail Chest, Incisions)
5. Neuromuscular Diseases (Decreases the ability to expand and contract
the chest wall)
6. CNS Alterations (Reduced Inspiratory Volumes)
7. Chronic Diseases (Chronic Hypoxemia)
3. Oxygenation ________________ as a direct consequence of chronic
lung disease. - ANS ✓decreases
Nursing: Oxygenation
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Nursing
4. Hypoventilation - ANS ✓occurs when alveolar ventilation is
inadequate to meet the oxygen demand of the body or eliminate
sufficient carbon dioxide
5. Hyperventilation - ANS ✓a state of ventilation in which the lungs
remove carbon dioxide faster than it is produced by cellular
metabolism
6. Hypoxia - ANS ✓inadequate tissue oxygenation at the cellular level,
results in deficiency in oxygen delivery or oxygen use at cellular level
7. Causes of Hypoxia (6) - ANS ✓1. *Decreased haemoglobin level*
and lowered oxygen-carrying capacity of the blood
2. A *diminished concentration* of inspired oxygen, which occurs at high
altitudes
3. the *inability of the tissues to extract oxygen* from the blood, as with
cyanide
4. *decreased diffusion* of oxygen from the alveoli to the blood
(pneumonia)
5. *poor tissue perfusion* with oxygenated blood (shock)
6. *impaired ventilation*
8. Cyanosis - ANS ✓blue discoloration of the skin and mucous
membranes caused by the presence of desaturated haemoglobin in
capillaries, is a late sign of hypoxia
- Central Cyanosis (observed in tongue, soft palate, and conductive of the
eye where blood flow is high)
- Peripheral Cyanosis (seen in extremities, nail beds, and earlobes)
Nursing: Oxygenation
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Nursing
9. Dysrhythmias - ANS ✓a deviation from the normal sinus heart
rhythm
12. Atrial Fibrillation - ANS ✓Electrical impulse in the atria is
chaotic and originates from multiple sites
13. Ventricular Tachycardia - ANS ✓life threatening dysrhythmia
because of the decreased cardiac output
14. Left-sided Heart Failure: - ANS ✓characterized by decreased
functioning of the *left ventricle* (fatigue, breathlessness, dizziness
and confusion)
15. Right-sided Heart Failure: - ANS ✓characterized by impaired
functioning of the *right ventricle* (weight gain, distended neck
veins, hepatomegaly and splenomegaly, and dependent peripheral
edema)
16. Myocardial Ischemia - ANS ✓results when the supply of
blood to the myocardium from coronary arteries is insufficient to
meet the myocardial oxygen demand.
Nursing: Oxygenation
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