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TNCC 8th Edition (A GRADED AND REVIEWED 2022)Questions And Answers
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TNCC 8th Edition Questions and Answers(2022 edition)
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TNCC 8th Edition Questions and Answers(2022 edition)What are the greatest risks for transport? ans: Loss of airway patency, displaced obstructive tubes lines
or catheters, dislodge splinting devices, need to replace or reinforce dressings, deterioration in patient
status change in vital signs or level of consciousness, injury to the patient and/or team members
According to newtons law which of these two force is greater: size or force? ans: Neither. For each force
there is an equal and opposite reaction.
What is the relationship between mass and velocity to kinetic energy? ans: Kinetic energy is equal to 1/2
the mass multiplied the square of its velocity therefore when mass is doubled so is the net energy,
however, when velocity is doubled energy is quadrupled.
What is tension? ans: stretching force by pulling at opposite ends
What is compression? ans: Crushing by squeezing together
What is bending? ans: Loading about an axis. Bending causes compression on the side the person is
bending toward intention to the opposite side
What is shearing? ans: Damage by tearing or bending by exerting faucet different parts in opposite
directions at the same time.
What is torsion? ans: Torsion forces twist ends in opposite directions.
What is combined loading? ans: Any combination of tension compression torsion bending and/or shear.
What are the four types of trauma related injuries? ans: Blunt, penetrating, thermal, or blast.
What are contributing factors to injuries related to blunt traumas? ans: The point of impact on the
patient's body, the type of surface that is hit, the tissues ability to resist (bone versus soft tissue, air-
filled versus solid organs), and the trajectory of force.
What are the seven patterns of pathway injuries related to motor vehicle accidents? ans: Up and over,
down and under, lateral, rotational, rear, roll over, and ejection.
Differentiate between the three impacts of motor vehicle impact sequence. ans: The first impact occurs
when the vehicle collided with another object. The second impact occurs after the initial impact when
the occupant continues to move in the original direction of travel until they collide with the interior of
the vehicle or meet resistance. The third impact occurs when internal structures collide within the body
cavity.
What are the three factors that contribute to the damage caused by penetrating trauma's? ans: The
point of impact, the velocity and speed of impact, and the proximity to the object.
, What causes the primary effects of blast traumas? ans: The direct blast effects. Types of injuries include
last long, tympanic membrane rupture and middle ear damage, abdominal hemorrhage and perforation,
global rupture, mild Trumatic brain injury.
What causes the secondary effects of blast traumas? ans: Projectiles propelled by the explosion. Injuries
include penetrating or blunt injuries or I penetration.
What causes the tertiary effects of blast traumas? ans: Results from individuals being thrown by the
blast wind. Injuries include hole or partial body translocation from being thrown against a hard service:
blunt or penetrating trauma's, fractures, traumatic amputations.
What causes quarternary effects of blast traumas? ans: All explosion related injuries, illnesses, or
diseases not due to the first three mechanisms. Injuries include external and internal burns, crush
injuries, closed and open brain injuries, asthmatic or breathing problems from dust smoke or toxic
fumes, angina, or hyper glycemia and hypertension.
What causes quinary effects of blasts traumas? ans: Those associated with exposure to hazardous
materials from radioactive, biologic, or chemical components of a blast. Injuries include a variety of
health effects depending on agent.
What are the three processes that transfer oxygen from the air to the lungs and blood stream ans:
Ventilation: the active mechanical movement of air into and out of the lungs; diffusion: the passive
movement of gases from an area of higher concentration to an area of lower concentration; and
perfusion: the movement of blood to and from the lungs as a delivery medium of oxygen to the entire
body.
When would you use a nasopharyngeal airway versus an oral pharyngeal airway? ans: Nasopharyngeal
airways is contraindicated in patients with facial trauma or a suspected basilar skull fracture. Oral
pharyngeal airways is used in unresponsive patients unable to maintain their airway, without a gag
reflex as a temporary measure to facilitate ventilation with a bag mask device or spontaneous
ventilation until the patient can be intubated.
Describe the measurement of an NPA ans: Measure from the tip of the patient's nose to the tip of the
patients earlobe.
Measurement of an OPA ans: Place the proximal end or flange of the airway adjunct at the corner of the
mouth to the tip of the mandibular angle.
True or false: NPAs and OPAs are definitive airways. ans: False. When placing one of these? One should
consider the potential need for a definitive airway.
Name the three ways to confirm ETT placement ans: Placement of a CO2 monitoring device, Assessing
for equal chest rise and fall, and listening at the epigastrium and four lung fields for equal breath
sounds.
When capnography measurement reads greater than 45MMHG, the nurse should consider increasing or
decreasing the ventilation rate? ans: Increasing the ventilation rate. Doing so would allow the patient to
blow off retained CO2.
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