GENERAL HISTOLOGY

RESPIRATORY SYSTEM

STRUCTURE OF TRACHEA

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Pneumothorax is to ____ like hemothorax is to ____
A
Collapsed; full
B
Oxygen; hemoglobin
C
Air;blood
D
Blood;Air
Explanation: 

Detailed explanation-1: -Pneumothorax, which is also known as a collapsed lung, happens when there is air outside the lung, in the space between the lung and the chest cavity. Hemothorax occurs when there is blood in that same space. Only about 5 percent of patients with pneumothorax experience hemothorax at the same time.

Detailed explanation-2: -A hemothorax will have a similar presentation as a pneumothorax, with symptoms such as dyspnea, hypoxia, decreased breath sounds, and chest pain. A key clinical finding that separates these two is that a pneumothorax will have hyper-resonance to percussion, but a hemothorax will have a hypo-resonance to percussion.

Detailed explanation-3: -Pneumothorax and hemothorax are conditions that affect the pleural space surrounding the lungs. When air leaks into this space, it’s called a pneumothorax; whereas when blood fills this space, it’s called a hemothorax.

Detailed explanation-4: -Hemothorax is a collection of blood in the space between the visceral and parietal pleura (pleural space). The clinical findings in such patients include respiratory distress and tachypnea.

Detailed explanation-5: -Collapsed and normal lung A pneumothorax occurs when air leaks into the space between your lung and chest wall. This air pushes on the outside of your lung and makes it collapse. A pneumothorax can be a complete lung collapse or a collapse of only a portion of the lung.

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