During which wave, complex, interval, or segment of an electrocardiogram tracing does the absolute
refractory period take place in a normally functioning heart?
A.
S-T segment
B.
P-R interval
C.
P wave
D.
Q-T interval - D.
A patient is experiencing a possible neurological emergency from a...
During which wave, complex, interval, or segment of an electrocardiogram tracing does the absolute
refractory period take place in a normally functioning heart?
A.
S-T segment
B.
P-R interval
C.
P wave
D.
Q-T interval - D.
A patient is experiencing a possible neurological emergency from a blunt force closed head injury. He is
found to have abnormal pupillary reactions to light and has lost the ability to move his eyes from side to
side to follow your finger movements. He is also unable to identify the number of fingers you are holding
up. He reports he is able to see the fingers but is not able to focus enough to identify how many fingers
are present.
Which of the following cranial nerves should you suspect may be involved in his injury?
A.
Cranial nerves I, V, and VI
B.
,Cranial nerves V and VII
C.
Cranial nerves IX and X
D.
Cranial nerves II, III, and IV - D.
You are called to assist an adult with chest pain. The patient has a cardiac history of two-posterior
myocardial infarctions. He is conscious and alert, stating he is having a hard time breathing, and the
chest pain worsens when he attempts to lay flat on his back. His skin is pale and hot, while auscultation
of his lung sounds reveals mild crackles. He reports the pain worsens on deep inspiration and movement.
Based on the patient's history, and signs and symptoms, which of the following should you suspect?
A.
Unstable angina pectoris
B.
Pericarditis
C.
Myocardial infarction
D.
Cardiomyopathy - B.
,You are the first ambulance to arrive on the scene of a single-car accident. As you approach the scene,
you see four patients, two have been ejected from their vehicle, and two are still in the vehicle. What
should be your next course of action?
A.
Call medical control, and advise them of the situation
B.
Request additional resources, such as fire rescue, and additional ambulances to respond to the scene
C.
Begin immediate triage and treatment of the two patients ejected first while awaiting fire department
response
D.
Notify the local trauma center so they can prepare for the patients - B.
Simply put, shock is a state of hypoperfusion due to several different causes. Which one of the following
types of shock would be considered distributive shock?
A.
Hypovolemic shock
B.
Cardiogenic shock
C.
Anaphylactic shock
, D.
Toxic shock syndrome - C.
Which of the following is responsible for initiating the sympathetic response to shock during a traumatic
event?
A.
Increased oxygen level and increased PCO2
B.
Increased peripheral vascular resistance and alkalosis
C.
Decreased perfusion and increased acidosis
D.
Peripheral vasodilation and increased capillary permeability - C.
You are preparing to perform synchronized electrical cardioversion with a biphasic defibrillator on your
unstable adult patient who is experiencing supraventricular tachycardia at 160 beats per minute on the
monitor. Which of the following initial energy settings would be recommended if he was exhibiting a
narrow complex, regular supraventricular tachycardia, in which his palpable carotid pulse matches the
rhythm on the monitor?
A.
Synchronized cardioversion at 50-100 joules
B.
Defibrillation at 100 joules
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