Answer the following question given this paragraph: 

Respiratory Therapist Respiratory therapists or respiratory practitioners evaluate and treat patients with lung and cardiovascular diseases. They work as part of a medical team to develop treatment plans for patients. Respiratory therapists may treat premature babies with underdeveloped lungs, patients with chronic conditions such as asthma, or older patients suffering from lung disease such as emphysema and chronic obstructive pulmonary disease (COPD). They may operate advanced equipment such as compressed gas delivery systems, ventilators, blood gas analyzers, and resuscitators. Specialized programs to become a respiratory therapist generally lead to a bachelor’s degree with a respiratory therapist specialty. Because of a growing aging population, career opportunities as a respiratory therapist are expected to remain strong.


Q: Respiratory therapists or respiratory practitioners evaluate and treat patients diseases affecting what part of the body?

 Choices:

- byproduct , heart , and blood vessels

- brain, stomach, heart

- heart, lungs, stomach

- lung, heart, and blood vessels

A:
lung, heart, and blood vessels
