Test Bank for Pilbeams Mechanical Ventilation 7th Edition by Cairo.

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Chapter3 f 1;3 f Basic3 f Terms3 f and3 f Concepts3 f of3 f Mech
anical3fVentilation Test Bank

MULTIPLE3 f CHOICE

1. The3 f body’s3 f mechanism3 f for3 f conducting3 f air3 f in3 f and
3 f out3 f of3fthe3 f lungs 3 f is3 f known3 f as3 f which3 f of3 f the3

f following?

a. External3 f 3 f respiration
b. Internal3 f respiration
c. Spontaneous3 f ventilation
d. Mechanical ventilation


ANS: C
The3 f conduction3 f of3 f air3 f in3 f and3 f out3 f of3 f the3 f body3 f i
s3 f known3 f as3fventilation.3 f Since3 f the3 f question3 f asks3 f for3
f the3 f body’s3fmechanism,3 f this3 f would3 f be3 f spontaneous 3 f v

entilation.3 f External3frespiration3 f 3 f involves3 f 3 f the3 f 3 f exchange3 f 3
f of3 f 3 f oxygen 3 f 3 f (O2)3 f 3 f and3fcarbon3 f 3 f dioxide3 f 3 f (CO2)3 f 3 f between3

f 3 f the3 f 3 f alveoli3 f 3 f and3 f 3 f the3fpulmonary3 f capillaries.3 f Internal3

f respiration3 f occurs3 f at3 f the3fcellular 3 f level3 f and3 f involves 3

f movement 3 f of3 f oxygen3 f from3 f the3fsystemic 3 f blood 3 f into3

f the3 f cells.



DIF: 1 REF: pg.3 f 3

2. Which3 f of3 f the3 f following3 f are3 f involved3 f in3 f external3 f respiration?
a. Red blood cells and
body3fcells
b. Scalenes3 f and3 f trapezius3fmus
cles
c. Alveoli3 f and3 f pulmonary3fcap
illaries
d. External3 f 3 f oblique3 f and
transverse
abdominal
3fmuscles




ANS: C
External3 f respiration3 f involves3 f the3 f exchange3 f of3 f oxygen
3 f and3fcarbon3 f dioxide3 f (CO2)3 f between3 f the3 f alveoli3 f and

3 f the3fpulmonary3 f capillaries.3 f Internal3 f respiration3 f occurs

3 f at3 f the3fcellular 3 f level3 f and3 f involves 3 f movement 3 f of3 f

oxygen3 f from3 f the3fsystemic3 f blood3 f into3 f the3 f cells.

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Scalene3 f and3 f trapezius3 f muscles3 f are3 f accessory3 f muscles
3 f of3finspiration. 3 f External3 f oblique3 f and3 f transverse3 f abdo

minal3fmuscles3 f are3 f accessory3 f muscles3 f of3 f expiration.

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DIF: 1 REF: pg.3 f 3

3. The3 f graph3 f that3 f shows3 f intrapleural3 f pressure3 f ch
anges3fduring3 f normal3 f spontaneous3 f breathing3 f is3 f d
epicted3 f by3fwhich3 f of3 f the3 f following?
a.
b.
c.
d.


ANS: B
During3 f spontaneous3 f breathing3 f the3 f intrapleural3 f pressur
e3fdrops3 f from3 f about3 f -53 f cm3 f H2O3 f at3 f end-
expiration3 f to3 f about
-103 f cm3 f H2O3 f at3 f end-
inspiration.3 f The3 f graph3 f depicted3 f for3fanswer3 f B3 f shows3 f

that3 f change3 f from3 f -53 f cm3 f H2O3 f to3 f -103 f cm3fH2O.

DIF: 1 REF: pg.3 f 4

4. During spontaneous inspiration alveolar pressure (PA) is about:
.
a. -3 f 13 f cm3 f 3 f H2O
b. +3 f 13 f cm3 f H2O
c. 03 f cm3 f H2O
d. 53 f cm3 f H2O


ANS: A
-
13 f cm3 f H2O3 f is3 f the3 f lowest3 f alveolar3 f pressure3 f will3
f become3fduring3 f normal3 f spontaneous 3 f ventilation.3 f Durin

g3 f the3fexhalation3 f of3 f a
normal3 f spontaneous3 f breath3 f the3 f alveol
ar3 f pressure3 f will3 f become3 f +13 f cm3 f H2O.

DIF: 1 REF: pg.3 f 3

5. The3 f pressure3 f required3 f to3 f maintain3 f alveolar3 f inflat
ion3 f is3fknown3 f as3 f which3 f of3 f the3 f following?
a. Transairway3 f pressure3 f (PTA3 f )
b. Transthoracic3 f 3 f pressure3 f 3 f (PTT)