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PHTLS Chuck
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Exam of 19 pages for the course studies at studies (PHTLS Chuck)
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PHTLS ChuckAverage EMS response time and time on scene - CORRECT ANSWER-*6-8 min
en route
*8-10 onscene
4 components of ethics (agreed upon set of moral principles) - CORRECT
ANSWER-*autonomy
*nonmaleficence
*beneficence
*justice
Criteria for informed consent - CORRECT ANSWER-*decision making capacity
*ability to communicate their understanding of the situation
*ability to give consent or refusal voluntarily
*give a refusal or consent to treatment
Difference between POLST and DNR - CORRECT ANSWER-*DNR is for
resuscitation only.
*POLST if more for general end of life care
How long can heart/brain, kidneys/liver/GI, muscle/bone/skin go without oxygen -
CORRECT ANSWER-*heart/brain/lungs-4-6 min
*kidneys/liver/GI-45-90 min
*muscle/skin/bone 4-6 hrs
What does aerobic metabolism use for fuel - CORRECT ANSWER-Oxygen
What does anaerobic metabolism use for fuel - CORRECT ANSWER-Stored
body fat
Quick formula for MAP - CORRECT ANSWER-*DIA + 1/3 sysbp
Vasovagal (psychogenic) shock - CORRECT ANSWER-*when vagus nerve
stimulated causing bradycardia and vasodilation
,Septic shock pathophysiology - CORRECT ANSWER-*cytokines released in
response to infection cause damage to blood vessel walls and leakage of fluids
into interstitial space.
Describe how shearing forces work, and common ones seen in mvc - CORRECT
ANSWER-*One structure moves faster than the other
*spleen, kidney, small intestine all tear away from points of attachment
*aorta tears away from defending arch which is tied to spine
Paper bag effect - CORRECT ANSWER-*results in pneumothorax
*crash victim instinctively takes a breath and holds it right before impact
3 types of blunt injuries - CORRECT ANSWER-*cavitation
*compression
*shear
Liver lies more on which side - CORRECT ANSWER-Right side
What tears the liver during impact? - CORRECT ANSWER-*supported by
diagphram and ligamentum teres which separates the left and right liver. When
the liver keeps sliding past the ligementum teres it cuts it in half like a cheese
where on a block of cheese
What is the formula for kinetic energy - CORRECT ANSWER-1/2x momentum x
velocity squared
5 types of blast injuries - CORRECT ANSWER-*primary-pressure wave
*secondary-projectiles
*tertiary-propulsion of body into another object
*quaternary-heat and flames
*quinary-radiation, chemicals, bacteria
MCI start triage - CORRECT ANSWER-*"30-2-can do"
*if respirations are less than 30 (and more than 10), cap refill is less than 2
seconds, and they are able to follow commands appropriately, they are
categorized as yellow
*green gets up and walks to you
, *red is failure of any the above 3
Allowable MCI interventions when triaging - CORRECT ANSWER-*reposition
airway
*control life threatening bleeding
What GCS scores mean minor, moderate, and heavy injury - CORRECT
ANSWER-*<3 heavy
*<*moderate (need to intubate
*<13 serious
*14-15 minor injuries
Regions/bones of the face - CORRECT ANSWER-*frontal
*parietal (sides of head and upper back of head)
*occipital (back lower part of the head)
*orbit-eye
*zygomatic-cheek
*nasal-nose
*maxilla-underneath eye and on the side of th nose
*mandible-upper and lower jaw
How to palpate the pelvis - CORRECT ANSWER-*CAN DO ONLY ONCE SO
YOU DONT DISRUPT BLOOD CLOTS
*medial pressure on iliac crests
*anterior/posterior pressure on pubic symphysis
What does weakness or loss of sensory/motor control indicate - CORRECT
ANSWER-*spinal injury
Step 1 (physiologic criteria) for trauma patients - CORRECT ANSWER-*GCS
<14
*sys bp<90
*RR <10 or >29 (<20 in infants or need ventilatory support)
Step 2 (anatomical criteria) for trauma patients - CORRECT
ANSWER-*penetrating injury to head/neck/torso and proximal extremity injuries
*paralysis
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