ATLS POST TEST 4 COMPREHENSIVE TEST
PAPER 2026 160 QUESTIONS AND
SOLUTIONS STUDY GUIDE GRADED A+
⩥ Fat embolism.
Answer: MCC = bone fx
Clinical presentation
-Fever
-Petechial hemorrhage
-Desaturation
-Hypotension
-Altered mental status
⩥ Cauda equina syndrome.
Answer: -Bilateral sciatica
-Bowel dysfunction
-Saddle sensory changes
⩥ At what point should hyper oxygenation be administered when
performing tracheal suctioning on a mechanically ventilated patient?
A. Before the procedure
,B. After the procedure
C. Before and after the procedure
D. During the procedure.
Answer: C. Before and after the procedure
⩥ Nerve to muscle relationship.
Answer: C5 - Deltoid
C6 - Wrist extension
C7 - Elbow extension
⩥ Most common cause of kidney injuries.
Answer: Motor vehicle accidents
⩥ Crystalloid solutions.
Answer: Ringer's lactate
Dextrose 5%
D5W plus 1/2 NS
NOT albumin
⩥ Indication for emergency thoracotomy
A. Pulmonary contusion
,B. Flail chest
C. Hemothorax with initial blood loss of 700 cc
D. Lung collapse with an air leak.
Answer: D. Lung collapse with an air leak
⩥ Studies used for a patient with widened mediastinum after injury.
Answer: CT scan
Upper endoscopy
Transesophageal ultrasound
⩥ Pericardial tamponade.
Answer: Muffled heart sounds
JVD
Equalization of cardiac chamber pressure
NOT hypertension
⩥ Blood groups facts.
Answer: -ABO compatibility is a must for renal transplant
-Febrile reactions may be due to bacterial contamination
-Citrate toxicity can cause hypocalcemia
, ⩥ Which statement is most accurate regarding a chest tube connected to
a water seal drainage system?
A. Bubbles in the water indicate that the chest tube is no longer needed
B. The water level should fall slightly with each spontaneous inspiration
C. The drainage system should be kept below the level of chest tube
insertion
D. The chest tube should be clamped at all times when the patient is
ambulatory.
Answer: C. The drainage system should be kept below the level of chest
tube insertion
⩥ Confirmatory test that is a reliable indicator of brain death
A. Apnea test with a pCO2 less than 40 B. Electromyography
C. 4-vessel cerebral angiography
D. CT scan of the brain.
Answer: C. 4-vessel cerebral angiography
⩥ MC spine problem seen in patient's with Down syndrome.
Answer: Atlanto-axial instability
⩥ As a result of burn trauma, fluid shifts can cause hematocrit levels to
A. Rise
B. Fall
PAPER 2026 160 QUESTIONS AND
SOLUTIONS STUDY GUIDE GRADED A+
⩥ Fat embolism.
Answer: MCC = bone fx
Clinical presentation
-Fever
-Petechial hemorrhage
-Desaturation
-Hypotension
-Altered mental status
⩥ Cauda equina syndrome.
Answer: -Bilateral sciatica
-Bowel dysfunction
-Saddle sensory changes
⩥ At what point should hyper oxygenation be administered when
performing tracheal suctioning on a mechanically ventilated patient?
A. Before the procedure
,B. After the procedure
C. Before and after the procedure
D. During the procedure.
Answer: C. Before and after the procedure
⩥ Nerve to muscle relationship.
Answer: C5 - Deltoid
C6 - Wrist extension
C7 - Elbow extension
⩥ Most common cause of kidney injuries.
Answer: Motor vehicle accidents
⩥ Crystalloid solutions.
Answer: Ringer's lactate
Dextrose 5%
D5W plus 1/2 NS
NOT albumin
⩥ Indication for emergency thoracotomy
A. Pulmonary contusion
,B. Flail chest
C. Hemothorax with initial blood loss of 700 cc
D. Lung collapse with an air leak.
Answer: D. Lung collapse with an air leak
⩥ Studies used for a patient with widened mediastinum after injury.
Answer: CT scan
Upper endoscopy
Transesophageal ultrasound
⩥ Pericardial tamponade.
Answer: Muffled heart sounds
JVD
Equalization of cardiac chamber pressure
NOT hypertension
⩥ Blood groups facts.
Answer: -ABO compatibility is a must for renal transplant
-Febrile reactions may be due to bacterial contamination
-Citrate toxicity can cause hypocalcemia
, ⩥ Which statement is most accurate regarding a chest tube connected to
a water seal drainage system?
A. Bubbles in the water indicate that the chest tube is no longer needed
B. The water level should fall slightly with each spontaneous inspiration
C. The drainage system should be kept below the level of chest tube
insertion
D. The chest tube should be clamped at all times when the patient is
ambulatory.
Answer: C. The drainage system should be kept below the level of chest
tube insertion
⩥ Confirmatory test that is a reliable indicator of brain death
A. Apnea test with a pCO2 less than 40 B. Electromyography
C. 4-vessel cerebral angiography
D. CT scan of the brain.
Answer: C. 4-vessel cerebral angiography
⩥ MC spine problem seen in patient's with Down syndrome.
Answer: Atlanto-axial instability
⩥ As a result of burn trauma, fluid shifts can cause hematocrit levels to
A. Rise
B. Fall