PHTLS POST TEST 9TH EDITION LATEST ACTUAL EXAM 170 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) | ALREADY GRADED A+
PHTLS POST TEST 9TH EDITION LATEST 2023-2024 ACTUAL
EXAM 170 QUESTIONS AND CORRECT DETAILED ANSWERS
WITH RATIONALES (VERIFIED ANSWERS) | ALREADY
GRADED A+
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?
A. As soon as he is removed from the vehicle
B. Prior to being removed from the vehicle
C. As soon as he is immobilized on a long backboard
D. Enroute to the trauma center – CORRECT ANSWER- B. Prior to being
removed from the vehicle
Which of the following represents adequate spontaneous ventilation in an adult?
A. Tidal volume 100 mL, ventilatory rate 40/minute
B. Tidal volume 500 mL, ventilatory rate 8/minute
C. Tidal volume 300 mL, ventilatory rate 16/minute
D. Tidal volume 600 mL, ventilatory rate 12/minute – CORRECT ANSWER- D.
Tidal volume 600 mL, ventilatory rate 12/minute
Which of the following is 100% accurate in verifying endotracheal tube
placement?
A. Pulse oximetry
B. End-tidal capnometry
C. Syringe aspiration
D. None of the above – CORRECT ANSWER- D. None of the above
When utilizing percutaneous transtracheal ventilation, the correct ration of lung
inflation to lung inflation time, in seconds, is:
A. 1:4
B. 1:5
C. 1:2
D. 2:2 – CORRECT ANSWER- A. 1:4
Which of the following is a possible complication of using a manually triggered
oxygen powered device for ventilation?
A. Gastric distention
B. Pneumothorax
C. Inability to feel lung compliance
D. All of the above – CORRECT ANSWER- D. All of the above
Which of the following procedures is considered an essential airway skill?
A. Needle cricothyroidotomy
B. Endotracheal intubation
C. Insertion of an oropharyngeal airway
D. Retrograde endotracheal intubation – CORRECT ANSWER- C. Insertion of an
oropharyngeal airway
Pericardial tamponade is most likely to occur in which of the following situations?
A. Stab wound to the chest
B. Fall from a height
C. Frontal impact vehicle crash
D. Gunshot wound to the chest – CORRECT ANSWER- A. Stab wound to the
chest
Which of the following is the preferred site for needle decompression of a tension
pneumothorax?
A. 4th intercostal space, midclavicular line, just over the top of the 5th rib
B. 4th intercostal space, midclavicular line, just below the 4th rib
C. 2nd intercostal space, midclavicular line, just over top of the 3rd rib
D. 2nd intercostal space, midclavicular line, just below the 2nd rib – CORRECT
ANSWER- C. 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?
A. Inability to generate negative intrapleural pressure
B. Decrease in vital capacity due to collapse of the flail segment
C. Increased intrathoracic pressure
D. Blood and fluid in the alveoli and interstitial spaces of the lung – CORRECT
ANSWER- D. 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?
A. Tension pneumothorax
B. Simple pneumothorax
C. Pulmonary contusion
D. Hemothorax – CORRECT ANSWER- D. 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 injuries?
A. Abdominal aortic aneurysm
B. Ruptured diaphragm
C. Ruptured esophagus
D. “Paper bag” syndrome of the lungs – CORRECT ANSWER- B. Ruptured
diaphragm
Which of the following is NOT a component of the Fick Principle?
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