Anatomy

Question 1

Warms, humidifies, and filters air but does not participate in gas exchange

Answer 1

Anatomic Dead Space

Question 2

Pseudostratified ciliated columnar cells

Answer 2

beat mucus up and out of lungs; extend to beginning of terminal bronchioles

Question 3

Cells of Respiratory bronchioles

Answer 3

Mostly cuboidal

Question 4

Cells of alveoli

Answer 4

simple squamous cells

Question 5

97% of alveolar surfaces; squamous and thin for gas exchaneg

Answer 5

Type I pneumocytes

Question 6

Precursor for Type I pneumocytes; secrete surfactant

Answer 6

Type II Pneumocytes

Question 7

Dipalmitoylphosphatidylcholine

Answer 7

Most important lecithin in surfactant

Question 8

When surfactant synthesis begins

Answer 8

week 26; mature levels at week 35

Question 9

Amniotic fluid level for fetal lung maturity

Answer 9

Lecithin-to-sphingomyelin ratio >2.0

Question 10

Club (Clara) cells

Answer 10

Non-ciliated; low-columnar.cuboidal with secretory granules. Secrete part of surfactant; degrade toxins; act as reserve cells

Question 11

Lobes in right lung

Answer 11

3 lobes

Question 12

Lobes in left lung

Answer 12

2 lobes

Question 13

Aspirate a peanut while upright

Answer 13

Lower portion of right inferior lobe

Question 14

Aspirate a peanut while supin

Answer 14

superior portion of right inferior lobe

Question 15

Structures penetrating diaphragm at T8

Answer 15

IVC

Question 16

Structures penetrating diaphragm at T10

Answer 16

Esophagus, vagus

Question 17

Structures penetrating diaphragm at T12

Answer 17

Aorta, thoracic duct, azygous vein

Question 18

C3, 4, 5

Answer 18

Phrenic Nerve