Orthopnea means:
Rhythmic variation in breathing
A breathing difficulty that is relieved by sitting upright
Difficult or labored breathing
Cessation of breathing
The Correct Answer is B
A. Rhythmic variation in breathing refers to breathing patterns such as Cheyne-Stokes respiration, not orthopnea.
B. Orthopnea is defined as difficulty breathing when lying flat, which is relieved by sitting or standing upright. It is often seen in patients with heart failure or other conditions causing fluid buildup in the lungs.
C. Difficult or labored breathing is called dyspnea, not orthopnea. While orthopnea is a type of dyspnea, the key feature of orthopnea is its positional nature.
D. Cessation of breathing is known as apnea, not orthopnea.
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Related Questions
Correct Answer is D
Explanation
A. Apnea refers to a complete cessation of breathing, not just a decrease in depth and rate.
B. Hypoxemia is a condition characterized by low oxygen levels in the blood, but it does not specifically refer to breathing rate or depth.
C. Hypoxia is a broader term indicating low oxygen supply to tissues, which can result from various causes, including but not limited to respiratory issues.
D. Hypopnea specifically means shallow or slow breathing, indicating a reduction in both the rate and depth of respiration. It is often seen in sleep-related breathing disorders and can lead to decreased oxygenation.
Correct Answer is C
Explanation
A. Epistaxis refers to nosebleed, which is unrelated to lung function or expansion.
B. Effusion refers to the accumulation of fluid (such as pleural effusion, where fluid collects in the pleural space around the lungs), not incomplete lung expansion.
C. Atelectasis is the collapse or incomplete expansion of a lung or part of a lung, which can occur due to blockage, pressure, or injury.
D. Adhesion refers to abnormal fibrous connections between tissues, which can occur in the body after injury or surgery, but it does not refer to incomplete lung expansion
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