PHTLS Post Test 9th QUESTIONS WITH COMPLETE SOLUTIONS
The displacement of tissue away from the path of a projectile, both temporarily and permanently,
is known as:
Correct Answer: Cavitation
The single most important factor in determining the potential for injury due to energy exchange
is: Correct Answer: Velocity of the bodies involved
In the management of shock, isotonic crystalloid solutions, such as Ringer's, are preferred
because:
Correct 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?
Correct 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.
Correct Answer: Primary phase
During the primary survey and management of a trauma patient, the E in ABCDE stands for
_________?
Correct Answer: Expose/Environment
The time in which surgical intervention can make a difference in patient outcome is the
__________?
Correct 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 _________?
Correct Answer: 10 minutes
In which of the following situations is the use of a short spinal immobilization device indicated?
Correct 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?
Correct Answer: Prior to being removed from the vehicle
Which of the following represents adequate spontaneous ventilation in an adult?
, Correct Answer: Tidal volume 600 mL, ventilatory rate 12/minute
Which of the following is 100% accurate in verifying endotracheal tube placement?
Correct Answer: None of the above
When utilizing percutaneous transtracheal ventilation, the correct ration of lung inflation to lung
inflation time, in seconds, is:
Correct Answer: 1:4
Which of the following is a possible complication of using a manually triggered oxygen powered
device for ventilation?
Correct Answer: All of the above
Which of the following procedures is considered an essential airway Correct Answer: Insertion
of an oropharyngeal airway
Pericardial tamponade is most likely to occur in which of the following situations?
Correct Answer: Stab wound to the chest
Which of the following is the preferred site for needle decompression of a tension
pneumothorax?
Correct 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?
Correct 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?
Correct Answer: Hemothorax
Deterioration of ventilation and oxygenation after inflation of a PASG in a patient who has
sustained a high-pressure compression injury of the abdomen, such as a sudden deceleration with
the lap belt placed across the abdomen, most likely represents which of the following Correct
Answer: Ruptured diaphragm
Which of the following is NOT a component of the Fick principle? Correct Answer: Adequate
number of platelets in the blood
The displacement of tissue away from the path of a projectile, both temporarily and permanently,
is known as:
Correct Answer: Cavitation
The single most important factor in determining the potential for injury due to energy exchange
is: Correct Answer: Velocity of the bodies involved
In the management of shock, isotonic crystalloid solutions, such as Ringer's, are preferred
because:
Correct 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?
Correct 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.
Correct Answer: Primary phase
During the primary survey and management of a trauma patient, the E in ABCDE stands for
_________?
Correct Answer: Expose/Environment
The time in which surgical intervention can make a difference in patient outcome is the
__________?
Correct 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 _________?
Correct Answer: 10 minutes
In which of the following situations is the use of a short spinal immobilization device indicated?
Correct 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?
Correct Answer: Prior to being removed from the vehicle
Which of the following represents adequate spontaneous ventilation in an adult?
, Correct Answer: Tidal volume 600 mL, ventilatory rate 12/minute
Which of the following is 100% accurate in verifying endotracheal tube placement?
Correct Answer: None of the above
When utilizing percutaneous transtracheal ventilation, the correct ration of lung inflation to lung
inflation time, in seconds, is:
Correct Answer: 1:4
Which of the following is a possible complication of using a manually triggered oxygen powered
device for ventilation?
Correct Answer: All of the above
Which of the following procedures is considered an essential airway Correct Answer: Insertion
of an oropharyngeal airway
Pericardial tamponade is most likely to occur in which of the following situations?
Correct Answer: Stab wound to the chest
Which of the following is the preferred site for needle decompression of a tension
pneumothorax?
Correct 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?
Correct 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?
Correct Answer: Hemothorax
Deterioration of ventilation and oxygenation after inflation of a PASG in a patient who has
sustained a high-pressure compression injury of the abdomen, such as a sudden deceleration with
the lap belt placed across the abdomen, most likely represents which of the following Correct
Answer: Ruptured diaphragm
Which of the following is NOT a component of the Fick principle? Correct Answer: Adequate
number of platelets in the blood
