Question 1

An electrical shock called defibrillation may restore a normal heart rhythm. Each minute defibrillation is delayed reduces the victim's chance of survival by 10%.

Accepted Answer

Both statements are True. The other choices are incorrect.

Question 2

A ventilation mask has benefits over mouth-to-mouth resuscitation because it provides a barrier for prevention of disease transmission and creates a seal over the mouth and nose.

Accepted Answer

The statement and the reason are correct. The other choices are incorrect.

Question 3

Rescue breathing must begin as soon as possible because clinical death is cessation of the heart and brain death can begin within 4 minutes.

Accepted Answer

CPR, not rescue breathing, must begin as soon as possible to keep blood circulating to the brain and prevent brain death from beginning within 4 minutes. The other choices are incorrect.

Question 4

The most important part of BLS is providing chest compressions and defibrillation. The first cycle of compressions (30 per 18 seconds) is delivered without the delay.

Accepted Answer

The most important part of BLS is providing chest compressions and defibrillation to keep the blood circulating in the body. The first cycle of compressions (30 per 18 seconds) is delivered without the delay because the compressions create a means for circulation. The other choices are incorrect.

Question 5

What is the term for a person who is not responding when spoken to and shaken gently?

Accepted Answer

Unconscious is a term used for an unresponsive person. Ventricular fibrillation is a state of totally disorganized electrical activity in the heart resulting in quivering of the ventricles. Dental fear or anxiety is a state of fright or worry and nervousness about what will occur during a dental appointment. Immunosuppression refers to the inhibition of the formation of antibodies to antigens that may be present; used in transplantation procedures to prevent rejection of the transplanted organ or tissue. It is an incorrect choice.

Question 6

Which medication is administered for a mild allergic reaction?

Accepted Answer

Diphenhydramine is administered for a mild allergic reaction. Epinephrine is administered for severe allergic reactions. The other drugs are not administered in emergencies. Epinephrine, amoxicillin, nitrous oxide, and ammonia ampule are incorrect choices.

Question 7

Which of the following is the term used to describe the level of care or intervention used for victims of life-threatening illnesses or injuries until they can be given full medical care at a healthcare facility offering such services?

Accepted Answer

BLS is the level of care or intervention used for victims of life-threatening illnesses or injuries until they can be given full medical care at a healthcare facility offering such services. Cardiopulmonary resuscitation, rescue breathing, and conscious sedation are incorrect choices.

Question 8

Which of the following signs is the most common one associated with severe choking?

Accepted Answer

A person who is choking cannot cough, breathe, or speak. Coughing, bent over position, pallor, and perspiration are not associated with facial signs of choking.

Question 9

A good Samaritan is someone who renders aid in an emergency to an injured person on a voluntary basis. There is no need for consent for the care provided to a conscious or an unconscious person.

Accepted Answer

The definition of a good Samaritan is correct; however, consent is needed before delivery of emergency care if a victim is conscious. The other choices are incorrect.

Question 10

A medical consultation should ask the client for very specific information regarding a client's diagnosis and health status. A facsimile machine is inadequate for legal documentation.

Accepted Answer

The reason for a medical consultation is correct; however, the facsimile is adequate for legal documentation, so the second statement is False. The other choices are incorrect.

Question 11

What is the recommended depth of chest compressions for an adult?

Accepted Answer

The recommended depth of compressions is at least 2 inches for compressions to ensure effectiveness; 1 1/2 inches, 1 1/2 to 2 inches, and 2 to 2 1/2 inches are incorrect choices.

Question 12

A medical consultation is performed by a dental professional after the client's medical and dental history is completed because legal liability is then the responsibility of the physician.

Accepted Answer

The dental professional completes medical consultations after completing the medical and dental histories. Consultations are conducted because the additional information from the physician is needed to reduce the risk of an emergency in a high-risk client. Transfer of legal liability is not attained by a medical consultation. The other choices are incorrect.

Question 13

The recommended rate for chest compressions in an adult is _____ per minute.

Accepted Answer

The rate of compressions for an adult is 100 per minute. At least 20 per minute, 50 per minute, 60 per minute, and 80 per minute are incorrect choices.

Question 14

Preparation of all dental personnel in the office for management of medical emergencies should include training and current certification in Basic Life Support (BLS), practice in medical emergency drills, and an annual refresher course in emergency medicine. All office personnel should have emergency numbers memorized for use when needed.

Accepted Answer

All personnel should have training in BLS, practice in managing medical emergencies, and annual refresher courses. However, emergency numbers should be posted by all telephones for reference when needed. The other choices are incorrect.

Question 15

Any damage to the heart can disrupt the heart's electrical system and result in a cardiac arrhythmi a. The two most common interruptions in the heart rhythm are ventricular fibrillation and ventricular tachycardi a.

Accepted Answer

Both statements are True. The other choices are incorrect.

Question 16

What is the recommended rate of rescue for a child who has a pulse but is unresponsive?

Accepted Answer

One breath is given every 3 seconds for an infant or child, and every 5 to 6 seconds for an adult. The other choices are incorrect.

Question 17

The head tilt-chin lift technique is the most important step in maintaining an open airway for rescue breaths because a blocked airway can be cleared with this technique.

Accepted Answer

The head tilt-chin lift is the most effective means of giving rescue breaths but it will not clear a blocked airway. An abdominal thrust or chest thrust is used to clear a blocked airway. The other choices are incorrect.

Question 18

An ASA II classification indicates which of the following?

Accepted Answer

ASA II indicates mild systemic disease. Normal, healthy client; severe systemic disease that limits activity but is not incapacitating; and incapacitating systemic disease that is a constant threat to life are ASA I, III, and IV respectively, and mild systemic disease is not an ASA classification.

Question 19

Reasons for the increased likelihood of medical emergencies during dental hygiene care include all of the following except one. Which one is the exception?

Accepted Answer

Less time available for dental hygiene care is the exception because appointments are actually longer than in the past. The aging population, increased number of drugs used in dentistry, increased number of medically compromised clients, and a wholesome image are all reasons for increased likelihood of medical emergencies in dental and dental hygiene practice.

Question 20

If a client encounters a medical emergency during dental hygiene care, the dental hygienist has an option to provide emergency care or wait until emergency personnel are available. The health professional providing emergency care must be trained to provide any care given to the victim of an emergency.

Accepted Answer

A healthcare professional has a responsibility to begin emergency care immediately if it is a part of their job responsibilities and must be trained in any care provided. The other choices are incorrect.

Quiz 10: Medical Emergencies