Basic Life Support Principles: Essential Knowledge for Healthcare Professionals

Question 1

To perform CPR on an adult, what is the correct order of actions?

Accepted Answer

1. Check for responsiveness, 2. Call for emergency services, 3. Start chest compressions, 4. Give rescue breaths

Answer

1. Call for emergency services, 2. Check for responsiveness, 3. Start chest compressions, 4. Give rescue breaths

Answer

1. Start chest compressions, 2. Check for responsiveness, 3. Call for emergency services, 4. Give rescue breaths

Question 2

According to the established guidelines, what should be the initial step when encountering an unresponsive victim?

Accepted Answer

Check for breathing and responsiveness

Answer

Immediately begin CPR

Answer

Call for emergency services

Answer

Assess the victim's pulse

Question 3

Which of the following is a key sign indicating the need for defibrillation?

Accepted Answer

Unresponsive, not breathing normally, and no signs of circulation

Answer

Unresponsive, gasping, and no signs of circulation

Answer

Unresponsive, breathing regularly, and no signs of circulation

Answer

Unresponsive, has a pulse, and is breathing normally

Question 4

What is the primary function of airway adjuncts, such as an oropharyngeal airway, during CPR?

Accepted Answer

Maintaining an open airway and facilitating breathing

Answer

Preventing aspiration of stomach contents

Answer

Providing oxygen to the victim

Answer

Suctioning secretions from the airway

Question 5

Which of the following is a circumstance where performing CPR would be inappropriate?

Accepted Answer

The victim has a valid Do Not Resuscitate (DNR) order

Answer

The rescuer is untrained

Answer

The victim is responsive but not breathing

Answer

The victim is in a public setting

Question 6

When using a bag-valve-mask (BVM) device for resuscitation, it is crucial to:

Accepted Answer

Ensure a proper seal between the mask and the victim's face

Answer

Inflate the lungs with excessive pressure

Answer

Use a very low flow rate for ventilation

Answer

Allow the victim to inhale for extended periods

Question 7

What is the primary role of an automated external defibrillator (AED) in Basic Life Support?

Accepted Answer

To analyze the victim's heart rhythm and deliver an electrical shock if needed

Answer

To monitor the victim's vital signs

Answer

To provide ventilation assistance

Answer

To perform chest compressions autonomously

Question 8

The chain of survival in Basic Life Support is crucial because it:

Accepted Answer

Ensures that all essential steps in the emergency response are performed in the correct order, optimizing outcomes

Answer

Provides the most efficient use of resources, thereby reducing the likelihood of survival

Answer

Guarantees that healthcare professionals are present at all stages of the emergency response

Answer

Minimizes the burden on emergency services

Question 9

In the DRABCD protocol for assessing an unconscious patient, which component assesses the patient's responsiveness?

Accepted Answer

Response

Answer

Danger

Answer

Airway

Answer

Breathing

Question 10

During CPR for adults, the recommended chest compression rate is:

Accepted Answer

100-120 per minute

Answer

80-100 per minute

Answer

120-140 per minute

Answer

140-160 per minute

Question 11

When is it appropriate to use an automated external defibrillator (AED)?

Accepted Answer

When a patient is not breathing normally and has no pulse

Answer

When a patient is breathing normally but has no pulse

Answer

When a patient is not breathing normally but has a pulse

Answer

When a patient is breathing normally and has a pulse

Question 12

The head-tilt, chin-lift maneuver is used to:

Accepted Answer

Open the airway

Answer

Close the airway

Answer

Check for breathing

Answer

Check for a pulse

Question 13

Which of the following is NOT a sign of airway obstruction?

Accepted Answer

Normal breathing sounds

Answer

Stridor

Answer

Wheezing

Answer

Hoarseness

Question 14

The recommended length for a CPR chest compression is:

Accepted Answer

1.5-2 inches

Answer

1-1.5 inches

Answer

2-2.5 inches

Answer

2.5-3 inches

Question 15

The legal responsibility of healthcare professionals during an emergency situation is to:

Accepted Answer

Provide first aid and refer to emergency services if appropriate

Answer

Provide first aid only

Answer

Provide definitive care only

Answer

Do nothing

Question 16

The most important factor to consider when determining the placement of defibrillator pads is:

Accepted Answer

Effectiveness of defibrillation

Answer

Ease of application

Answer

Patient comfort

Answer

Skin sensitivity

Question 17

What are the three main categories of CPR?

Accepted Answer

Hands-Only CPR, Conventional CPR (with compressions and breaths), AED CPR

Answer

Chest compressions, Mouth-to-mouth, Automated CPR

Answer

Manual CPR, Electrical CPR, Automated CPR

Answer

Basic CPR, Advanced CPR, Pediatric CPR

Question 18

During adult CPR, the recommended depth of chest compressions is:

Accepted Answer

2-2.5 inches

Answer

1-1.5 inches

Answer

3-3.5 inches

Answer

4-4.5 inches

Question 19

For proper hand placement during chest compressions, follow these steps:

Accepted Answer

Place the heel of one hand on the center of the lower half of the breastbone, with the other hand on top.

Answer

Place both hands on the center of the chest, palms interlaced.

Answer

Interlace your fingers on the center of the upper half of the breastbone.

Answer

Place one hand on the center of the chest, with the heel of the other hand on the lower half of the breastbone.

Question 20

When defibrillating an unconscious, non-breathing patient, it is crucial to:

Accepted Answer

Allow the machine to analyze the patient's heart rhythm first

Answer

Administer a shock immediately

Answer

Perform several cycles of CPR initially

Answer

Check for the patient's pulse

Question 21

The primary function of an airway adjunct is to:

Accepted Answer

Open the airway and facilitate ventilation

Answer

Protect the airway from aspiration

Answer

Remove foreign bodies from the airway

Answer

Assist with administering oxygen

Question 22

For an unconscious, unresponsive patient, the most appropriate airway adjunct is typically:

Accepted Answer

Oropharyngeal airway

Answer

Nasopharyngeal airway

Answer

Supraglottic airway

Answer

Endotracheal tube

Question 23

During bag-valve mask ventilation of an unconscious patient, it is essential to:

Accepted Answer

Observe chest rise and fall

Answer

Squeeze the bag slowly and gently

Answer

Check for a pulse

Answer

Use the lowest possible oxygen flow rate

Question 24

The recovery position is primarily intended to:

Accepted Answer

Prevent aspiration

Answer

Ensure airway patency

Answer

Maintain blood pressure

Answer

Facilitate breathing