Respiratory function deteriorates as a result of pneumonia because of the inflammation in

It causes fluids to leak into the alveoli.

Explanation:

Pneumonia is known as an infection which is caused by bacteria, fungus, and viruses and called an inflammatory infection. It causes fluids (pus) to leak into the alveoli known as air sac. Symptoms of Pneumonia are cough with pus, feeling coolness, dehydration, fast heart rate, and trouble while breathing might occur.

This infection can be life-threatening especially for children, infants, and people with weakened immune systems. Antibiotics are used to treat many types of Pneumonia and some kinds of Pneumonia can be avoided by giving vaccines.

out of the choices i'd say d the ability to set goals, mainly because to desire to continue you need motivation but it isn't motivation in that part, but setting goals means you have an endgame and you want to reach it which sums up motivation.