Erttc Quiz
Settings
ERTTC Pre-Entrance quiz
- 1.Pulsus paradoxus is most often associated with what traumatic chest injury?
- A.
Traumatic asphyxia
- B.
Pericardial tamponade
- C.
Open pneumothorax
- D.
Hemothorax
- 2.Atmospheric pressure is defined as:
- A.
1000 mmHg.
- B.
760 torr.
- C.
100 torr.
- D.
360 mmHg.
- 3.Which of the following situations would be an ineffective use of a fixed wing aircraft for a critical care transport mission?
- A.
One that involved international travel
- B.
When the mission transport distance is 200-250 miles
- C.
If a large amount of medical equipment is needed during transport
- D.
When a mission transport distance is 75-80 miles
- 4.The clinical manifestations of Cushing’s triad are:
- A.
Headache, nucal rigidity, and hyperthermia.
- B.
Bradycardia, systolic hypertension, and widening pulse pressure.
- C.
Tachycardia, systolic hypotension, and tachypnea.
- D.
Bradycardia, aphasis, and visual field disturbances.
- 5.After extrication from a bad MVC by a local fire department, the PASG is placed on the trauma patient to stabilize a suspected pelvic and lower extremity fracture. On ascent, the patient complains of increased pressure and pain under the PASG. This is best explained by:
- A.
Charles’ Law.
- B.
Henry’s Law.
- C.
Boyle’s Law.
- D.
Dalton’s Law.
- 6.Modified Central Lead 1 (MCL-1) is essentially a bipolar equivalent of ________.
- A.
I
- B.
V3
- C.
V1
- D.
II
- 7.A pulse oximetry reading of 90% typically corresponds with a PaO2 of what?
- A.
90 mmHg
- B.
100 mmHg
- C.
20 mmHg
- D.
60 mmHg
- 8.An alternate path of blood flow in the event of vascular occlusion is termed:
- A.
Pulmonary circulation
- B.
Systemic circulation
- C.
Collateral circulation
- D.
Central circulation
- 9.Your patient’s blood gases present as: pH 7.25, PaCO2 55, PaO2 70, HCO3 -25. What is your patient most likely suffering from?
- A.
Respiratory acidosis
- B.
Respiratory alkalosis
- C.
Metabolic acidosis
- D.
Metabolic alkalosis
- 10.You are flying an MVC patient from a small hospital to a regional trauma center 175 miles away. The patient is dyspneic and is suspected of having a right pneumothorax, which is not enlarging in size. In order to be transported to the trauma center, the patient must be flown from sea level to 3,000 feet in an unpressurized aircraft. Because of pressure variances during accent, the pneumothorax may:
- A.
Remain the same size.
- B.
Resolve completely.
- C.
Become larger.
- D.
Become smaller.
- 11.Atrial contraction influences Starling’s law by:
- A.
Adding an atrial kick that increases ventricular diastolic volume.
- B.
Opening the AV valves at the same time.
- C.
Decreasing ventricular work.
- D.
Decreasing stretch on ventricular muscle fibers.
- 12.The posterior lead that goes just to the left of the spine in the 5th intracostal place is:
- A.
V9
- B.
V7
- C.
V8
- D.
V10
- 13.What is a normal PaCO2 value?
- A.
27 torr
- B.
40 mmHg
- C.
18 torr
- D.
56 mmHg
- 14.A trauma patient is presenting with hypotension, tachycardia, and absent radial pulses. Which type of shock is least likely to be the cause?
- A.
Septic
- B.
Neurogenic
- C.
Cardiogenic
- D.
Hypovolemic
- 15.Cardiogenic pulmonary edema is primarily due to:
- A.
Reductions in hydrostatic pulmonary pressures.
- B.
Left ventricular failure.
- C.
Right ventricular failure.
- D.
Poor capillary permeability.
- 16.The condition that occurs when systolic blood pressure drops abnormally with inspiration is:
- A.
Pulsus paradoxus.
- B.
Electrical paradoxus.
- C.
Pulsus alternans.
- D.
Electrical alternans.
- 17.How are EtCO2 values commonly expressed?
- A.
As a percentage
- B.
As a decimal value
- C.
In cm H2O
- D.
In mmHg
- 18.According to the Mallampati classification system for airway assessment prior to intubation, the most challenging airway would receive what classification?
- A.
Class I
- B.
Class II
- C.
Class III
- D.
Class IV
- 19.Which of the following is the most commonly injured abdominal organ in a pediatric patient?
- A.
Spleen
- B.
Stomach
- C.
Bladder
- D.
Intestine
- 20.Right ventricular infarction is a complication that occurs in approximately ________% of inferior MIs.
- A.
20
- B.
40
- C.
70
- D.
90
- 21.Anterior MIs most often involve which artery?
- A.
Posterior descending artery
- B.
Marginal artery
- C.
Left coronary artery
- D.
Right coronary artery
- 22.What do pericardial tamponade, tension pneumothorax, and pulmonary embolism all have in common regarding hypoperfusion?
- A.
They all are caused by trauma.
- B.
They all are classified under “obstructive” shock.
- C.
They all will cause delayed hypoperfusion, days after the original insult.
- D.
The major problem with all of them is diminished atrial preload.
- 23.Women may elicit very ________ patterns of symptoms in a myocardial infarction.
- A.
Typical
- B.
Predictable
- C.
Atypical
- D.
Severe
- 24.You are presented with a 34-year-old female patient who is a victim of a car accident. The patient’s vital signs are BP 100/P, HR 130, RR 20/min, and she is currently responsive. What stage of shock is she in?
- A.
Compensated
- B.
Cellular
- C.
Irreversible
- D.
Decompensated
- 25.Epinephrine can be deactivated if mixed with:
- A.
Acid agents
- B.
Antihypertensive agents
- C.
Dromotropic agents
- D.
Alkaline agents
Back to top