exam 1 - ch. 2-4 Flashcards
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
the diaphragm muscle fibers arising from the ___________ point of attachment encircle the esophagus as they transit to the central tendon.
vertebral
the phrenic nerve arises from the __________ plexus
cervical
the ___________ portion of the internal intercostal muscles is involved in inspiration.
interchondral or chondral
the external intercostal muscles (elevate/depress) _________ the rib cage.
elevate
the ___________ muscle elevates the sternum and clavicle, as well as rotates the head.
sternocleidomastoid
the ___________ muscle is a massive muscle of inspiration making up the superficial upper back and neck, originating along the spinous processes of C2 to T12 by means of fascial connection
trapezius
the _________ muscle originates on the spinous processes of C7 and T1 through T3. Fivers from these muscles course down and laterally to insert just beyond the angles of ribs 2 through 5. This group of muscles elevates the rib cage during inspiration.
serratus posterior superior
the _________ muscles originate on the spinous processes of the T11, T12, L1 through L3 and course up and laterally to insert into the lower margin of the lower five ribs. Contraction of these muscles would pull the rib cage down for expiration.
serratus posterior inferior
This is the superior-most structure of the sternum
a. corpus sterni
b. manubrium sterni
c. xiphoid process
d. clavicle
e. scapula
f. thoracic vertebrae
g. cervical vertebrae
h. coccyx
i. sacrum
b. manubrium sterni
this structure forms the anterior-most attachment of the diaphragm
a. corpus sterni
b. manubrium sterni
c. xiphoid process
d. clavicle
e. scapula
f. thoracic vertebrae
g. cervical vertebrae
h. coccyx
i. sacrum
c. xiphoid process
these vertebrae have an opening through which the vertebral artery passes
a. corpus sterni
b. manubrium sterni
c. xiphoid process
d. clavicle
e. scapula
f. thoracic vertebrae
g. cervical vertebrae
h. coccyx
i. sacrum
g. cervical vertebrae
This is the primary muscle of inspiration
a. pectoralis major muscle
b. intraosseous portion, internal intercostal muscles
c. pectoralis minor muscle
d. sternocleidomastoid
e. scalenus anterior, medius, posterior
f. diaphragm
g. external intercostal muscles
f. diaphragm
this muscle lies deep to the pectoralis major, originates on the corocoid process of the scapula, and elevates the rib cage.
a. pectoralis major muscle
b. intraosseous portion, internal intercostal muscles
c. pectoralis minor muscle
d. sternocleidomastoid
e. scalenus anterior, medius, posterior
f. diaphragm
g. external intercostal muscles
c. pectoralis minor muscle
these muscles elevate each of the ribs during inspiration.
a. pectoralis major muscle
b. intraosseous portion, internal intercostal muscles
c. pectoralis minor muscle
d. sternocleidomastoid
e. scalenus anterior, medius, posterior
f. diaphragm
g. external intercostal muscles
g. external intercostal muscles
This muscle of expiration originates on the inguinal ligament and courses fanlike to insert into the linea semilunaris and lower margin of the rib cage
a. rectus abdominis
b. transversus throracis
c. transversus abdominis
d. external intercostal muscles
e. internal intercostal muscles
f. intraosseous portion, internal intercostals
g. intraosseous portion, external intercostals
h. internal oblique abdominis
h. internal oblique abdominis
this muscle pulls the ribs closer together as it depresses the rib cage
a. rectus abdominis
b. transversus throracis
c. transversus abdominis
d. external intercostal muscles
e. internal intercostal muscles
f. intraosseous portion, internal intercostals
g. intraosseous portion, external intercostals
h. internal oblique abdominis
e. internal intercostal muscles
this muscle elevates the ribs:
a. rectus abdominis
b. transversus abdominis
c. transversus thoracis
d. internal oblique abdominis
e. internal intercostal muscles
f. transversus thoracis
g. external intercostal muscles
h. external oblique abdominis
g. external intercostal muscles
unilateral contraction of this muscle will help rotate the trunk in the direction of contraction
a. rectus abdominis
b. transversus abdominis
c. transversus thoracis
d. internal oblique abdominis
e. internal intercostal muscles
f. transversus thoracis
g. external intercostal muscles
h. external oblique abdominis
d. internal oblique abdominis
Contraction of this muscle will bring the sternum closer to the pubic symphysis
a. rectus abdominis
b. transversus abdominis
c. transversus thoracis
d. internal oblique abdominis
e. internal intercostal muscles
f. transversus thoracis
g. external intercostal muscles
h. external oblique abdominis
a. rectus abdominis
This forms the insertion for the rectus abdominis
a. inguinal ligament
b. xiphoid process
c. linea semilunaris
d. linea alba
e. thoracolumbar fascia
c. linea semilunaris
this divides the left and right rectus abdominis muscles
a. inguinal ligament
b. xiphoid process
c. linea semilunaris
d. linea alba
e. thoracolumbar fascia
d. linea alba
This muscle of the thorax elevates the first four ribs
a. transversus thoracis
b. serratus posterior inferior
c. serratus posterior superior
d. levator costarum longis
e. levator costarum brevis
f. rhomboideus major and minor
g. trapezius
h. latissimus dorsi
c. serratus posterior superior
This muscle arises from the transverse process of a thoracic vertebra and courses down to insert into the rib below
a. transversus thoracis
b. serratus posterior inferior
c. serratus posterior superior
d. levator costarum longis
e. levator costarum brevis
f. rhomboideus major and minor
g. trapezius
h. latissimus dorsi
e. levator costarum brevis
sternocleidomastoid is primarily a muscle of:
a. inspiration
b. expiration
c. neck stability
d. trunk stability
a. inspiration
internal intercostal, intraosseous component is primarily a muscle of:
a. inspiration
b. expiration
c. neck stability
d. trunk stability
b. expiration
trapezius is primarily a muscle of:
a. inspiration
b. expiration
c. neck stability
d. trunk stability
c. neck stability
transversus thoracis is primarily a muscle of:
a. inspiration
b. expiration
c. neck stability
d. trunk stability
b. expiration
scalenus anterior is primarily a muscle of:
a. inspiration
b. expiration
c. neck stability
d. trunk stability
c. neck stability
rectus abdomens
b
external oblique abdominis
d
contraction of this muscle will bring the pubic symphysis and the sternum closer togther
b
this point of attachment arises from L4 and L5 vertebrae
c
this point of attachment arises from L4 and L5 vertebrae
c
this is the internal intercostal muscle
b
this is the external intercostal muscle
b
which answer below refers to twisting of a shaft while not permitting one end to move?
a. elastic forces
b. elongation
c. torque
d. terminal mediation
c. torque
which group of muscles is involved in actively torquing elements of the rib cage?
a. abdominal muscles of inspiration
b. thoracic muscles of inspiration
c. abdominal muscles of expiration
d. thoracic muscles of expiration
b. thoracic muscles of inspiration
which of the following have high elasticity?
a. lungs
b. cartilage
c. bone
d. a & b
e. b & c
d. a & b
which of the following best describes what happens when the lungs expand?
a. contraction of the muscles of inspiration pushes the diaphragm up, causing air to flow into the lungs
b. contraction of the muscles of inspiration decrease the volume of the thorax, cause a decrease in pressure (Boyle’s law)
c. expansion of the thorax causes the lungs to expand as a function of the negative intrapleural pressure between the parietal and visceral pleurae
d. none of the above
c. expansion of the thorax causes the lungs to expand as a function of the negative intrapleural pressure between the parietal and visceral pleurae
respiratory volume is measured using which of the following?
a. spirometer
b. nasometer
c. gastrometer
d. nasoendoscope
a. spirometer
respiratory capacity is measured using which of the following?
a. monometer
b. altimeter
c. spirometer
d. inclinometer
c. spirometer
flow is measured in:
a. volts per hour
b. amperes per minute
c. cubic centimeters per minute
d. millimeters per minute
c. cubic centimeters per minute
which of the following refers to the gas exchange across the alveolar-capillary membrane?
a. expiration
b. profusion
c. ventilation
d. perfusion
d. perfusion
what is the approximate number of respiratory cycles per minute in quiet tidal respiration of an adult?
a. 9
b. 12
c. 15
d. none of the above
b. 12
which of the following is the Minute Volume for quiet tidal respiration, on average?
a. 2000 cc
b. 4000 cc
c. 6000 cc
d. none of the above
c. 6000 cc
what best describes the rate of respiration for a newborn infant?
a. 40-70 breaths per minute
b. 40-50 breaths per minute
c. 70-90 breaths per minute
d. 12-18 breaths per minute
a. 40-70 breaths per minute