Question

gas exchange between the lungs and blood can only occur at the level of the alveoli.
a true
b false
clear selection
question 5
(1 point)
the term pneumonia refers to an abnormal condition of the ______.
blank 1
blank 1 add your answer
question 6
(1 point)
a condition that is endotracheal would occur ______ the trachea.
a within
(option b partially visible)
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Explanation:

Question (about the first statement: Gas exchange between the lungs and blood can only occur at the level of the alveoli)

Gas exchange in the respiratory system occurs in the alveoli because they have thin walls, a large surface area, and are in close contact with capillaries. This is the primary site for oxygen and carbon dioxide exchange between lungs and blood. So the statement is True. But the selected option in the image is False, which is incorrect. The correct answer should be that the statement is True.

The term "pneumonia" is a medical term where the root "pneumon-" refers to the lung. So pneumonia is an abnormal condition (infection/inflammation) of the lung.

The prefix "endo-" means within or inside. So "endotracheal" means within the trachea. So the correct option is "within".

Answer:

A. True

Question 5