Chapter 12: RESPIRATORY SYSTEM

Question 1

What is the role of sticky mucus in nasal cavity?

Answer 1

The sticky mucus traps inhaled particles.

Question 2

Inhaled bacteria are destroyed by:

Answer 2

lysozyme in the mucus, lymphocytes and antibodies (IgA)

Question 3

The airways have a layer of smooth muscle in their wall

Answer 3

which enables them to
constrict or dilate.

Question 4

There are three folds of tissue arising from the wall of the nasal cavity

Answer 4

called
nasal conchae, or turbinates.
Have: superior, middle, inferior

Question 5

The opening of the larynx is guarded by a tissue flap

Answer 5

epiglottis

Question 6

The larynx, trachea and bronchial tree are lined with

Answer 6

ciliated columnar epithelium

Question 7

What is the last component of the conducting division?

Answer 7

the terminal bronchioles

Question 8

microscopic air sacs called

Answer 8

the alveoli

Question 9

the leading cause of COPD

Answer 9

Cigarette smoking

Question 10

Which genetic disorder cause COPD?

Answer 10

An uncommon genetic disorder called alpha – 1 – antitrypsin deficiency

Question 11

Common symptoms of COPD?

Answer 11

• At the disease progresses, common symptoms include:
   Shortness of breath
   Wheezing
   Chest tightness
• Especially with exercise
   Ongoing (chronic) cough

Question 12

COPD is the ________ leading cause of death in the United States

Answer 12

third

Question 13

Predominantly diagnosed in middle-aged individuals older than ______ years

Answer 13

40

Question 14

COPD is more common in________

Answer 14

men

Question 15

There is __________ cure for COPD

Answer 15

no