Question 1

Prodromal manifestations of vasodepressor syncope include:&#10;A)a cool feeling in the neck and face&#10;B)erythema or flush color&#10;C)significantly increased heart rate&#10;D)significantly increased blood pressure

Accepted Answer

significantly increased heart rate

Question 2

What is the immediate precipitating cause of loss of consciousness in vasodepressor syncope? A)increased CO₂level in blood B)decrease in the rate of respiration C)rapid rise in blood pressure D)hyperventilation E)bradycardia

Accepted Answer

Vasodepressor syncope is caused by a sudden drop in blood pressure due to vasodilation and slowing of the heart rate. Bradycardia, or a slow heart rate, is one of the immediate precipitating causes of loss of consciousness in vasodepressor syncope.

Question 3

The first step in the management of a patient who &#34;collapses&#34; at the sight of a dental needle is:&#10;A)administer oxygen via a face mask&#10;B)position the patient supine with feet elevated&#10;C)administer aromatic ammonia&#10;D)place patient in Trendelenburg position&#10;E)administer oxygen via nasal hood

Accepted Answer

Positioning the patient supine with feet elevated helps increase blood flow to the brain and can prevent the patient from fainting or losing consciousness. Administering oxygen or aromatic ammonia may be helpful after the patient has regained consciousness. Placing the patient in Trendelenburg position (head down, feet up) may worsen the situation and should be avoided. Nasal hoods require the patient to be conscious and cooperative, so they may not be appropriate in this situation.

Question 4

Which of the following is the most commonly observed emergency situation in dentistry?&#10;A)cardiac arrest&#10;B)mild (non-life-threatening)allergy&#10;C)angina pectoris&#10;D)seizures&#10;E)vasodepressor syncope

Accepted Answer

Vasodepressor syncope (fainting) is the most commonly observed emergency situation in dentistry, especially during procedures involving local anesthesia or the sight of blood. Cardiac arrest, angina pectoris, and seizures are less commonly observed emergencies in dentistry. Mild allergies can occur, but they are not considered emergencies unless they progress to anaphylaxis.

Question 5

In the unconscious patient who fails to regain consciousness rapidly after proper positioning,which of the following is strongly recommended?&#10;A)activation of EMS&#10;B)administration of IV dextrose&#10;C)administration of nitroglycerin&#10;D)administration of &#34;sugar&#34; via the appropriate route&#10;E)administration of diazepam

Accepted Answer

Activation of Emergency Medical Services (EMS) is strongly recommended for an unconscious patient who fails to regain consciousness rapidly after proper positioning, to ensure immediate professional medical assessment and intervention.

Question 6

&#34;Healthy children do not faint.&#34; They hide their fears.&#10;A)Both statements are true.&#10;B)Both statements are false.&#10;C)The first statement is true,the second statement is false.&#10;D)The first statement is false,the second statement is true.

Accepted Answer

While it is generally true that healthy children do not faint, some may faint due to certain medical conditions or circumstances. However, the second statement that they hide their fears is a generalization and therefore false. Children, like adults, may openly express their fears or may hide them for various reasons.

Question 7

After recovering from a period of syncope,the victim should:&#10;A)complete the dental treatment planned for that day&#10;B)not undergo additional dental treatment the rest of that day&#10;C)drive himself or herself to a physician&#10;D)drive himself or herself home

Accepted Answer

After experiencing syncope, it is important to assess the patient's condition and ensure their safety. It is recommended that they do not undergo additional dental treatment that day to prevent any further episodes. They should also be monitored until they are fully recovered before leaving the dental office. If the patient experiences any concerning symptoms or has a history of syncope, it may be necessary to refer them to a physician for further evaluation. The patient should not drive themselves home if they have just experienced syncope, as they may still be at risk for another episode while driving.

Question 8

Which of the following is most likely to be encountered as a cause of unconsciousness in a 24-year-old male patient?&#10;A)adrenocorticosteroid deficiency&#10;B)lack of oxygen&#10;C)hyperglycemia&#10;D)cerebrovascular accident&#10;E)cardiac arrest

Accepted Answer

Lack of oxygen (also known as hypoxia) is the most common cause of unconsciousness in a 24-year-old male patient. This can occur due to a variety of factors, such as drug overdose, suffocation, or severe respiratory distress. The other options listed are possible causes of unconsciousness, but are less common in this particular demographic.

Question 9

___________ is associated with early presyncope and _________ is associated with late presyncope.&#10;A)Tachycardia;tachycardia&#10;B)Bradycardia;bradycardia&#10;C)Tachycardia;bradycardia&#10;D)Bradycardia;tachycardia

Accepted Answer

Tachycardia is associated with early presyncope because the body tries to compensate for the decreased blood flow by increasing heart rate. Bradycardia is associated with late presyncope because the body is unable to compensate enough and heart rate decreases. Therefore, both early and late presyncope can be associated with tachycardia, but only late presyncope is associated with bradycardia.

Question 10

Which of the following groups of people are most likely to experience vasodepressor syncope?&#10;A)young women (18 to 35)&#10;B)young men (18 to 35)&#10;C)elderly women (over 70)&#10;D)elderly men (over 70)

Accepted Answer

The answer of Which of the following groups of people...

Deck 6: Vasodepressor Syncope