Pulmonary surfactant<span> is a mixture of lipids and proteins which is secreted into the alveolar space by epithelial type II cells. The main </span>function<span> of </span>surfactant <span>is to lower the surface tension at the air/liquid interface within the alveoli of the </span>lung<span>.
Source: </span>http://www.sciencedirect.com/science/article/pii/S000527360000256X
Answer:
The correct answer is- direct supervision
Explanation:
A dentist is said to be providing direct supervision when the dentist is present physically in the same treatment area where the patient is present after examined the patient and he authorizes the procedure that has to be performed in the treatment area and is available all the time in the treatment area during the procedure.
So in direct supervision, the dentist takes full professional responsibility for the treatment and procedure followed under him or her. So the correct answer is direct supervision.
Which of the following traumatic chest injuries may result in massive, often fatal internal hemorrhage?
A. Hemopneumothorax B. Aortic dissection C. Cardiac tamponade D. Hemothorax
Answer:
B. Aortic dissection
Explanation:
Aortic dissection is a critical medical condition that occurs as a result of a tear or injury that occurs in the inner layer of the main blood vessel that carries blood out of the heart. This large blood vessel is called the aorta. The tear allows blood to flow through the inner and the middle layers of the aorta, causing both layers to separate or dissect. When this occurs, one of the symptoms which it presents is, the sudden severe pain that is noticeable on the chest or upper back.
Answer:
b i think its the only one that makes sense
I you die your hair for the first few days you can't but after like 3 days you can wash your hair normaly