QUESTIONS AND ANSWERS (A+ GUIDE SOLUTION)
Which intervention or interventions would have the MOST positive impact on the cardiac arrest
patient's outcome? - (Correct Answer) - Early CPR and defibrillation
The AED gives "no shock" message to a patient who is in cardiac arrest. You should: - (Correct
Answer) - Resume chest compressions
What is the maximum amount of time that should be spent checking for spontaneous breathing
in an unresponsive child? - (Correct Answer) - 10 seconds
When performing CPR on an adult, you should compress the chest to a depth of ___ at a rate of
___. - (Correct Answer) - 2.0-2.4 in, 100-150BPM
What is the appropriate compression to ventilation ratio for adult two-rescuer CPR? - (Correct
Answer) - 30:2
When checking for a pulse in an infant, which artery should you palpate? - (Correct Answer) -
Brachial
When performing CPR on an adult or child, you should reassess the patient for return of
respirations/circulation every ____ minutes. - (Correct Answer) - 2
What is the preferred method of removing a foreign body in an unresponsive child? - (Correct
Answer) - Chest compressions
,Cardiogenic shock is caused by: - (Correct Answer) - Inadequate function of the heart muscle
Pericardial effusion - (Correct Answer) - Collection of fluid between the pericardial sac and the
myocardium
Cardiac tamponade - (Correct Answer) - Occurs when blood leaks into the space between the
pericardium and the pericardial sac
Signs and symptoms of cardiac tamponade: - (Correct Answer) - Beck triad: the presence of
jugular vein distention, muffled heart sounds, and a narrowing pulse pressure where the systolic
and diastolic blood pressures start to merge.
Signs of cardiogenic shock: - (Correct Answer) - -Skin may be cool, clammy, and ashen
-High BP
-Rapid, shallow breathing
-Weak, irregular pulse
-Anxiety, nausea
You arrive on scene to find a conscious 58YOF sitting up and reporting severe chest pain and
SOB. She is anxious and "feels like she's going to die." Her skin is pale, cool, and clammy and her
pulse is rapid, weak, and irregular. Her breathing is labored, with a RR of 28 breaths/min. Her
SpO2 is 90%. Lung sounds show crackles in all fields, and BP is 92/60 mmHg. What is your
differential diagnosis of the patient? - (Correct Answer) - Cardiogenic shock
, The heart is divided down the middle into left and right sides by the: - (Correct Answer) -
Septum
Which chamber of the heart receives incoming unoxygenated blood? - (Correct Answer) -
Atrium
Which chamber of the heart pumps oxygenated blood? - (Correct Answer) - Ventricles
Normal electrical impulses begin in the: - (Correct Answer) - Sinoatrial (SA) node
What characteristic allows a cardiac muscle cells to contract spontaneously without an external
stimulus? - (Correct Answer) - Automaticity
The sympathetic nervous system acts on the body by: - (Correct Answer) - -increasing HR and RR
-constricting blood vessels in the muscles
The parasympathetic nervous system acts on the body by: - (Correct Answer) - (directly opposes
the sympathetic NS)
-decreases HR and RR
-constricts blood vessels in muscles