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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Hemoglobin is an iron-containing protein found in red blood cells. It binds to oxygen in the lungs and carries it through the bloodstream to tissues throughout the body.
B. Antigens are substances that can trigger an immune response, but they are not involved in carrying oxygen in the blood.
C. Albumin is a protein in the blood that helps maintain osmotic pressure and transports various substances, but it does not carry oxygen.
D. Bicarbonate ions are involved in carbon dioxide transport in the blood, not oxygen. They help regulate the pH of blood and facilitate CO₂ transport from tissues to the lungs.
Correct Answer is B
Explanation
A. Pain over the eyes is associated with sinusitis in the frontal sinuses (located above the eyes), not the maxillary sinuses.
B. The maxillary sinuses are located in the cheeks, so pain related to maxillary sinusitis is typically felt in this area.
C. Pain over the ears is not typically associated with sinusitis; it is more common with ear infections or other middle ear conditions.
D. Pain above the eyebrows is typically related to frontal sinusitis, not maxillary sinusitis.
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