exam 1 - ch. 2-4 Flashcards
(176 cards)
Gas exchange occurs within the minute air sacs of the lungs called _____
a. alveoli
b. trachea
c. bronchi
d. terminal bronchioles
a. alveoli
Boyle’s Law States that:
a. Given a constant temperature and pressure, increasing the molecules in a container will increase the pressure.
b. Given a volume of gas increasing the pressure on the gas will increase the number of molecules in the gas
c. Given a gas of constant temperature, if you increase the volume of the chamber in which the gas is contained, pressure will decrease
d. None of the above
c.
The lungs are housed within the:
a. abdominal region
b. sternal cavity
c. diaphragm
d. thorax
d. thorax
The functional unit of the vertebral column is the:
a. spinous process
b. vertebrae
c. lateral process
d. vertebral canal
b. vertebrae
there are ___ thoracic vertebrae
a. 17
b. 7
c. 12
d. 8
c. 12
there are ____ sacral vertebrae
a. 5
b. 7
c. 12
d. none of the above
a. 5
the ____ processes form the primary attachment of the rib to the vertebral column.
a. transverse
b. costal
c. vertebal
d. posterior
a. transverse
spinal nerves exit the spinal cord via the ____
a. vagal trigone
b. foramen magnum
c. intervertebral foramen
d. pterygoid fossa
c. intervertebral foramen
C1 is termed the ____
a. axis
b. atlas
c. apex
d. none of the above
b. atlas
the ______ forms the superior attachment for the inguinal ligament.
a. transverse process of S5
b. sacral ridge
c. pubic symphysis
d. iliac crest
d. iliac crest
the pectoral girdle consists of the scapula and ______.
a. sternum
b. cervical portion of the vertebral column
c. clavicle
d. inguinal ligament
c. clavicle
there are _____ true ribs.
a. 12
b. 7
c. 5
d. 3
b. 7
A relative increase in air pressure over atmospheric pressure is known as ________ pressure.
positive
the ___________ of the sternum is the point of attachment for the fast rib and clavicle
manubrium
the _____________ process is the inferior-most aspect of the sternum
ensiform of xiphoid
The ________ is the point of bifurcation of the trachea.
carina or carina tracheae
the (left or right) ___________ lung has 2 lobes
left
tertiary bronchi serve the ___________ of the lungs
segments
During inspiration the diaphragm is contracted, which causes it to (elevate/depress) __________________.
depress
when the rib cage becomes smaller during respiration, air will flow (into/out of) __________ the lungs
out of
the __________ lining completely envelopes the lungs and the interior thoracic wall
pleural
the _____________ pleurae cover the rib cage.
costal
the space holding the heart is termed the _____________.
mediastinum
the _____________ attachment of the diaphragm is the anterior-most point of origination of this muscle.
sternal