1. Where in the body does blood become deoxygenated? Select one: a. lungs b. hea

Question

1. Where in the body does blood become deoxygenated?

Select one:

a. lungs

b. heart

c. tissues all over the body

2. Which of the following are considered to be part of the lower respiratory system:

Select one or more:

a. lungs

b. larynx

c. trachea

d. pharynx

3. Which type of epithelium are the alveoli made of?

Select one:

a. simple cuboidal epithelium

b. stratified squamous epithelium

c. simple squamous epithelium

d. transitional epithelium

4. Which part of the respiratory system is responsible for voice/sound production?

5. Exhalation is always an active process. True or False

6. Lung cancer is dangerous because the cancerous mass can grow so much that it eventually takes over the lung tissue and doesn't allow the lungs to function properly, causing the patient to have dangerously low blood oxygen levels to the point that they eventually die. True or False

7. The reason people become hospitalized when they have pneumonia is because the inflammation from the infection causes the alveoli to swell, making it harder for oxygen to diffuse into the blood. The patient ends up with dangerously low oxygen levels in their blood and need to be hooked up to an oxygen machine. True or False

8. The purpose of the hemoglobin molecule is to transport oxygen molecules from the lungs and bring them to tissues all over the body. True or False

Explanation / Answer

1. c. tissues all over the body.

2. a. lungs c. trachea.

3. c. simple squamous epithelium.

4. larynx.

5. false.

6. true

7. true

8. true.

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