DA317 Unit test#2
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The _____ of the anesthetic syringe locks into the rubber stopper of the anesthetic cartridge so that the stopper can be retracted by pulling back on the piston rod
A(n) _____ is what a patient tells you regarding how he or she feels or what he or she is experiencing; a _____ is what you observe in a patient
Anesthesia is defined as _____.
the temporary loss of feeling or sensation
When the patient’s hands go to his throat, as spasms of coughing or choking occur during an emergency, it indicates _____.
aspiration of a foreign object
The cells of the brain are irreversibly damaged after _____ without oxygen
4 to 6 minutes
The ABCDs of basic life support stand for _____.
airway, breathing, circulation, and defibrillation
Lead foil from the radiographic film should be _____.
The most frequently used drug in a medical emergency is _____.
Scrap dental amalgam should be collected and stored in _____.
a designated, dry, airtight container
To be certain the anesthetic solution is not injected into a blood vessel, the dentist _____.
During an emergency, it is most likely that the _____ will call emergency services and remain on the telephone at all times to obtain appropriate medical assistance
A short-acting local anesthetic agent can last from _____.
60 to 180 minutes
During the loading of an anesthetic syringe, the _____ is loaded first
The lengths of the needles used in dentistry are _____.
1 inch and 1 5/8 inches
Which government agency enforces the disposal of regulated waste?
The agents that provide a temporary numbing effect on nerve endings located on the surface of the oral mucosa are _____
The use of an anesthetic solution without a vasoconstrictor is recommended for patients with a history of _____.
recent myocardial infarction
The gauge of the needle refers to the thickness of the needle; the larger the gauge, the _____ the needle
Which of the following choices represents the lowest ratio, meaning greatest concentration, of vasoconstrictor in local anesthetic?
Any chemical that can cause either a physical or health hazard is _____.
a hazardous chemical
Material Safety Data Sheets contain health and safety information about
every chemical in the office
A medical emergency can happen at any time, so it is important for the dental assistant to
be alert and continuously observe the patient to watch for problems
The most frequently used form of pain control in dentistry is _____.
Hazard communication program training is required _____ for all continuing employees
once a year
Latex gloves worn during patient care do not provide adequate protection when handling chemicals, because
the latex in the gloves degrades when exposed to chemical disinfectants
The different levels of consciousness and unconsciousness are referred to as stages of anesthesia; these stages include which of the following?
Absolute medical contraindications to nitrous oxide use _____.
do not exist, but certain conditions make it a poor choice for some patients
Any unexplained chest pain should be treated as _____.
a potential acute myocardial infarction
The color-coding system for anesthetic cartridges allows the practitioner to select the correct anesthetic solution by distinguishing _____.
the correct brand of solution
Most emergencies in the dental office occur _____ or at the onset of a procedure
during or immediately after administration of local anesthesia
Used radiographic fixer _____.
may be managed on site with installation of a silver recovery system
Intravenous sedation _____.
may be monitored by a certified dental assistant in some states after completion of a board-approved course
A victim who immediately feels the effects of a chemical spill, with symptoms of dizziness, headache, nausea, and vomiting, is experiencing
acute chemical toxicity
The dental assistant’s responsibility in an emergency situation is ____
For a topical anesthetic ointment to have optimum effectiveness, it must remain on the site of injection for _____.
Eyewash units _____.
must be installed in every workplace where chemicals are used, according to OSHA regulations
Emergency telephone numbers should _____.
include local police, firefighters, and emergency medical services (EMS) personnel
Dermatitis may occur following chemical exposure by _____.
If a medical emergency involving a patient arises, the dentist and staff are responsible for providing emergency care until _____.
more qualified personnel arrive
The Hazard Communication Standard requires employers to inform their employees about the _____ of chemicals that they use in the workplace
identity and hazards
If a pregnant patient feels dizzy or lightheaded while in a supine position, the patient should be _____.
turned onto her left side or moved into an upright sitting position
_____ is considered regulated waste and requires special disposal
When a chemical is transferred to a different container, the new container _____.
may be labeled with any label, providing the labeling system is easy to use and all employees are properly trained to understand and read the label
Nitrous oxide/oxygen analgesia use in dentistry dates back to 1844 and is also known as _____.
When defibrillation is provided within the first five minutes of cardiac arrest, there is about a _____% chance that you can save the victim’s life
Ventricular fibrillation causes _____ % of cases of cardiac
80 TO 90
An allergy is an altered state of reactivity in body tissues in response to specific _____.
_____ is a condition in which numbness remains after the effects of the local anesthetic solutions should have worn off
Cardiopulmonary resuscitation (CPR) is also known as _____.
basic life support
General anesthesia is most safely administered in _____.
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