PHTLS Post Test 9th 2023;100% Verified

PHTLS Post Test 9th 2023;100% Verified

The displacement of tissue away from the path of a projectile, both temporarily and

permanently, is known as:

 Answer- Cavitation

The single most important factor in determining the potential for injury due to energy

exchange is: Answer- Velocity of the bodies involved

In the management of shock, isotonic crystalloid solutions, such as Ringer's, are

preferred because:

 Answer- These solutions will stay in the vascular space longer than water solutions,

such as D5W

With respect to the distance of a fall, which of the following is a guideline for determining

a critical fall?

 Answer- 3 times the height of the patient

The phase of an explosion, or blast, in which hollow organs are squeezed and may

rupture is called the __________ phase.

 Answer- Primary phase

During the primary survey and management of a trauma patient, the E in ABCDE

stands for _________?

 Answer- Expose/Environment

The time in which surgical intervention can make a difference in patient outcome is the

__________?

 Answer- Golden period (hour)

In the absence of extenuating circumstances, the maximum amount of time it should

take to identify and manage immediate threats to life, prepare the patient for transport

and begin transport is _________?

 Answer- 10 minutes

In which of the following situations is the use of a short spinal immobilization device

indicated?

 Answer- None of the above

Your patient is a 32 year old man, restrained driver of a vehicle that has been involved

in a frontal impact with a concrete bridge abutment. The patient is awake, but has

difficulty answering questions due to shortness of breath. His ventilatory rate is 30 per

minute. Of the following choices, when is the first time the patient's breath sounds

should be checked?

 Answer- Prior to being removed from the vehicle

Which of the following represents adequate spontaneous ventilation in an adult?

 Answer- Tidal volume 600 mL, ventilatory rate 12/minute

Which of the following is 100?curate in verifying endotracheal tube placement?

 Answer- None of the above

When utilizing percutaneous transtracheal ventilation, the correct ration of lung inflation

to lung inflation time, in seconds, is:

 Answer- 1:4

Which of the following is a possible complication of using a manually triggered oxygen

powered device for ventilation?

 Answer- All of the above

Which of the following procedures is considered an essential airway Answer- Insertion

of an oropharyngeal airway

Pericardial tamponade is most likely to occur in which of the following situations?

 Answer- Stab wound to the chest

Which of the following is the preferred site for needle decompression of a tension

pneumothorax?

 Answer- 2nd intercostal space, midclavicular line, just over top of the 3rd rib

Which of the following is the mechanism by which pulmonary contusion interferes with

oxygenation?

 Answer- Blood and fluid in the alveoli and interstitial spaces of the lung

Your patient is a 55 year old male who was struck in the right side of the chest with a

piece of steel pipe. He presents with uncooperative behavior, his skin is pale and moist,

the ventilatory rate is 32, there is a weak radial pulse of 112, and breath sounds are

decreased on the right side. The trachea is midline and jugular veins are flat while the

patient is supine. There is isolated crepitus over the 4th and 5th ribs in the midaxillary

line on the patient's right side. Based on the mechanism of injury and the assessment

findings, which of the following is the most likely cause of the patient's signs and

symptoms?

 Answer- Hemothorax