WEST COAST EMT BLOCK EXAM 1 2024 QUESTION AND
CORRECT ANSWERS VERIFIED ANSWERS ALREADY
GRADED A+
RATED
Which of the following injuries would MOST likely cause obstructive shock?
Select one:
- Cardiac tamponade
- Spinal cord injury
- Liver laceration
- Simple pneumothorax - ANSWER✔✔A. Cardiac tamponade
Which of the following is the ONLY action that can prevent death from a tension pneumothorax?
Select one:
- Positive-pressure ventilation with a bag-valve mask
- Rapid administration of intravenous fluids 1 / 4
- Early administration of high-flow oxygen
- Decompression of the injured side of the chest - ANSWER✔✔D. Decompression of the injured side of
the chest Which of the following patients is in decompensated shock?
Select one:
- A 23-year-old restless male with cool, clammy skin and tachycardia
- A 32-year-old male with anxiety and a systolic blood pressure of 110 mm Hg
- A 28-year-old female with pale skin and rapid, shallow respirations
- A 20-year-old female with absent radial pulses and dilated pupils - ANSWER✔✔D. A 20-year-old
female with absent radial pulses and dilated pupils Which of the following statements regarding anaphylactic shock is correct?
Select one:
- Sensitized people will experience less severe reactions upon subsequent exposure.
- Anaphylactic shock occurs immediately after a person is sensitized to an allergen.
- Anaphylactic shock is caused by immune system failure due to a toxic exposure.
- Subsequent exposure after sensitization often produces a more severe reaction. - ANSWER✔✔D.
Subsequent exposure after sensitization often produces a more severe reaction.Which of the following would MOST likely result in hemorrhagic shock?
Select one:
- Excessive sweating
- Repeated diarrhea 2 / 4
- Liver laceration
- Severe vomiting - ANSWER✔✔C. Liver laceration
A dissecting aortic aneurysm occurs when:
Select one:
- the aorta ruptures, resulting in profound bleeding.
- a weakened area develops in the aortic wall.
- the inner layers of the aorta become separated.
- all layers of the aorta suddenly contract. - ANSWER✔✔C. the inner layers of the aorta become
separated.
Angina pectoris occurs when:
Select one:
- one or more coronary arteries suddenly spasm.
- myocardial oxygen demand exceeds supply.
- myocardial oxygen supply exceeds the demand.
- a coronary artery is totally occluded by plaque. - ANSWER✔✔B. myocardial oxygen demand exceeds
supply.
Cardiogenic shock following AMI is caused by:
Select one:
- decreased pumping force of the heart muscle.
- widespread dilation of the systemic vasculature.
- a profound increase in the patient's heart rate. 3 / 4
- hypovolemia secondary to severe vomiting. - ANSWER✔✔A. decreased pumping force of the heart
muscle.
Deoxygenated blood from the body returns to the:
Select one:
- left ventricle.
- right atrium.
- right ventricle.
- left atrium. - ANSWER✔✔B. right atrium.
In contrast to the sympathetic nervous system, the parasympathetic nervous system:
Select one:
- causes an increase in the heart rate.
- slows the heart and respiratory rates.
- prepares the body to handle stress.
- dilates the blood vessels in the muscles. - ANSWER✔✔B. slows the heart and respiratory rates.
Most patients are instructed by their physician to take up to_______ doses of nitroglycerin before calling EMS.
Select one:
- three
- two
- five
- four - ANSWER✔✔A. three
- / 4