respiratory pre test

which of the following is true of lung cancer

• it is the leading cause of cancer death in both males and females

• there is no treatment

• the symptoms are clear and identifiable

• it is often detected early in its development

emphysema causes

• shortness of breath

• impaired vision

• irregular heartbeat

• itching

Internal respiration is the transfer of oxygen and carbon dioxide from the lungs to the tissue cells of the body

• true

• false

What supply of oxygen exists in the body at any one time?

• 0-1 minute

• 2-3 minutes

• 4-6 minutes

• 7-10 minutes

what is the name of the tiny hairs that filter dust and germs out of the air entering the respiratory system

• adenoids

• tonsils

• cilia

• nasolacrimal ducts

What is ventilation?

• the circulation of blood

• the physical act of breathing

• the creation of oxygen cells

• the exchange of oxygen and carbon dioxide

what is the purpose of the pleura that surrounds the lungs?

• to exchange oxygen for carbon dioxide

• to create negative pressure in the thoracic cavity

• to maintain the temperature within the lungs

• to protect against friction during breathing

What occurs in the capillaries of the alveoli?

• oxygen and carbon dioxide are exchanged

• oxygen is converted into carbon dioxide

• waste and bi-products from the blood are stored

• nitrogen is filtered from the blood

What is the large flat muscle that separates the thoracic cavity from the abdominal cavity?

• interior lobe

• diaphragm

• intercostal muscles

In what stage of respiration does the exchange of gases between the lungs and the blood occur?

• external

• internal

• cellular