What part of the pulmonary system is letter A pointing to?

• Nasal Cavity

• Pharynx

• Larynx

• Trachea

• Bronchi

What elastic "ribbed" part of the pulmonary system is letter B pointing to?

• Bronchioles

• Pharynx

• Larynx

• Trachea

• Bronchi

What part of the pulmonary system, where the lungs branch off into two, is letter C pointing to?

• Bronchioles

• Alveoli

• Larynx

• Trachea

• Bronchi

What part of the pulmonary system, represented as small branches, is letter D pointing to?

• Bronchioles

• Alveoli

• Larynx

• Trachea

• Bronchi

.

Which piece of the system is NOT labeled in the picture?

• Larynx

• Alveoli

• Diaphragm

• Trachea

• Bronchi

A freediver wants to hold his breath longer when diving to the depths of the ocean. What could he do before going underwater to increase the length of time he can stay underwater?

• He can breath slowly into a bag before going under

• He can hypoventilate before going under

• He can hyperventilate before going under

• He can hyperventilate into the bag before going under

• He stretch, warm-up, and get his heart rate up before diving

A friend of yours is having a panic attack and is hyperventilating. What is the best way to bring that friend back to normal levels in terms of blood pH?

• He can hyperventilate in the open air

• He can hypoventilate in the open air

• He can breath slowly into a bag

• He can hold his breath

Bromothymol blue (BTB) is an indicator that turns yellow when a substance turns acidic. A person at rest breathes into a beaker with BTB in it and it takes 43 seconds to turn yellow. If the person were to work out vigorously for 10 minutes straight and then would blow into another beaker that contained BTB, what would happen?

• It would take longer than 43 seconds for the beaker to turn yellow

• It would take less than 43seconds for the beaker to turn yellow

• It would take exactly 43 seconds of the beaker to turn yellow

• The beaker will not turn yellow

• The beaker will not be acidic but turn basic or blue in color

When are your ribs and internal intercostal muscles used as a part of the breathing process?

• When a person is asleep

• When a person is breathing normally at rest

• When a person is forcing their breathing in or out

• When a person is exercising

• When a person is pressing on a heavy amount of weight

The picture shows the transfer of carbon dioxide out of the blood and oxygen into the blood. WHERE is this transfer taking place?

• Between the capillary and the skeletal muscle

• Between the capillary and the artery

• Between the capillary and the alveoli

• Between the capillary and the bronchiole

• Between the capillary and the vein