Module I Basic Sciences Dental Anesthesia Assistant National Certification Exam questions and answers graded A+ 2024/2025

Module
I
Basic
Sciences
Dental
Anesthesia
Assistant
National
Certification
Exam
Central
Nervous
System
-
ANS-brain
-spinal
column
Peripheral
Nervous
System
-
ANS-sensory
nerves
-motor
nerves
Cranial
nerves
important
for
OMS
-
ANS-trigeminal
nerve
(5th)
-facial
nerve
(7th)
-vagus
nerve
(10th)
Trigeminal
nerve
-
ANS-sensory/motor
-Ophthalmic
-Maxillary
-Mandibular
Facial
nerve
-
ANS-motor
nerves
for
facial
expression
Spinal
nerves
-
ANS-motor/sensory
nerves
that
leave
various
tracts
throughout
the
body
Autonomic
Nervous
System
-
ANS-sympathetic
-parasympathetic
Sympathetic
Nervous
System
-
ANS-fight/flight
-speeds
things
up
-vasoconstriction
-increases
hr
-MAINTAINS
BP
Parasympathetic
Nervous
System
-
ANS-rest/digest
-slows
things
down
-vagus
nerve
(slows
hr
and
cardiac
output)
-increases
digestion
-increase
saliva/pharyngeal
production
baroreceptors
-
ANS-regulates
bp
with
positional
changes Sympathetic
(Adrenergic)
-
ANS-alpha
(vasoconstriction)
-beta
1/
beta
2
Beta
1
-
ANS-heart
-increase
hr
and
strength
of
contraction
Beta
2
-
ANS-lungs
-bronchodilation
atria
-
ANS-receive
blood
right
atrium
-
ANS-receives
blood
from
body
peripheral
circulation
-oxygen
poor
left
atrium
-
ANS-receives
blood
from
lungs
via
pulmonary
vein
-oxygen
rich
ventricles
-
ANS-receive
blood
from
atria
right
ventricle
-
ANS-deoxygenated
blood
to
lungs
left
ventricle
-
ANS-sends
oxygenated
blood
to
the
body
-pumps
harder,
thicker
walls
Right
atrium
recieves
blood
from
these
oxygen
depleted
sources
-
ANS-superior
vena
cava
-inferior
vena
cava
-coronary
sinus
Pulmonary
vein
-
ANS-Oxygen
rich
blood
arteries
-
ANS-away
from
heart
-thicker
walls
-elastic
for
constriction
and
dilation
vein
-
ANS-leading
to
the
heart
-deoxygenated
blood
back
to
heart
ischemia
-
ANS-weakened
heart
-decreased
oxygen
supply
-angina
pectoris
(chest
pain)
myocardial
infarction
-
ANS-heart
attack
-death
of
tissue,
lack
of
blood