RT Ch. 3 Mechanics Practice Quiz-E

68. The upper airway (trachea, bronchi) have

Turbulent flow

71. As dynamic compliance goes up, flow-resistive forces go

up

68. The bronchioles and alveoli have

Laminar flow

68. Air with irregular, churning currents is

Turbulent flow

68. Air that requires higher driving pressure is

Turbulent flow

71. Lung inflation is inhibited by which of the following?

Increased dynamic compliance

63 and 58. Which of the following is NOT true about surfactant?

is produced at 5 months in utero

69. Pressure of air flow must increase in all of the following EXCEPT

Tube length decreases

67. Smaller tubes will need ____ pressure to overcome frictional resistance.

more

62. Lamellar bodies store

surfactant

59. Gas exchange surface is on

Alveolar Pneumocyte Type I cells (PN-I)

67. What is gas viscosity?

Friction between gas molecules

70. Which is NOT true about Positive End Expiratory Pressure (PEEP)?

It increases trauma risk to alveoli

62. Lamellar bodies are found in

Alveolar Pneumocyte Type II cells (PN-II)

72. The sum of elastic and resistance pressures

Peak airway pressure

65. Compliance worsen with decreased blood flow because surfactant production decreases.

True

71. Dynamic compliance is measured while air is

flowing

72. The highest amount of pressure applied by a mechanical ventilator during inspiration

Peak airway pressure

68. Air with uniform speed and direction is

Laminar flow

71. As dynamic compliance goes up, elastic forces go

up

58. Surfactant is made by

Alveolar Pneumocyte Type II cells (PN-II)