High attitudes may produce hypoxemia through
Shunting
Hyperventilation
Decreased inspired oxygen
D. Diffusion abnormalities
The Correct Answer is C
At high altitudes, the air pressure is decreased, and there is less oxygen available in each breath. This leads to a decreased partial pressure of oxygen in the lungs, which can cause hypoxemia (low oxygen levels in the blood). Hyperventilation may initially help to increase oxygen delivery to the body, but it can also lead to respiratory alkalosis and decrease oxygen delivery to the tissues in the long run.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Sustained hypertension can lead to several complications, including damage to the blood vessels in the retina (retinopathy), increased risk of stroke, and damage to the kidneys (renal disease). Other potential complications include heart disease, peripheral arterial disease, and cognitive impairment. It is important to manage hypertension through lifestyle modifications and medication to prevent these complications.
Correct Answer is {"dropdown-group-1":"B"}
Explanation
Emphysema is a lung disease that involves damage to the alveoli (tiny air sacs in the lungs), causing them to become stretched out and lose their elasticity. This leads to an abnormally enlarged gas exchange system and the destruction of alveolar walls
Transudative effusion: An effusion is an abnormal buildup of fluid in a body cavity, such as the pleural cavity around the lungs. Transudative effusions occur when fluid leaks out of blood vessels due to changes in pressure or protein levels, rather than from inflammation or injury.
Exudate effusion: This type of effusion occurs when fluid leaks out of blood vessels due to inflammation or injury. The fluid contains high levels of protein and cellular debris, and may be caused by conditions such as pneumonia, cancer, or autoimmune disorders.
D. Abscess: An abscess is a localized collection of pus, usually caused by a bacterial infection. It can occur in various parts of the body, including the lungs.
An abscess in the lung can cause symptoms such as coughing, chest pain, and fever.
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