DH 103 Radiology Module 8 Quiz #6 (Chapters 15, 20 and 26- Different than Kylies set)

The Consumer-Patient Radiation Health and Safety Act,

1. outlines requirements for the safe use of dental x-ray equipment.

2. establishes guidelines for the proper maintenance of x-ray equipment.

3. requires persons who take dental images to be properly trained and certified.

1, 2 and 3

The process of informing the patient about the particulars of exposing dental images is termed what?

disclosure

Informed consent.......

must be in language that the patient can readily understand.

If you take dental images on your patient before getting his informed consent, your patient can legally claim....

malpractice or negligence

Which of the following constitutes a person who can provide legal informed consent?

A. An adult (over the age of 18) who is of sound mind

B. An individual who under duress has consented to the treatment

C. An individual under the influence of drugs or alcohol

D. An individual who received an incomplete description of the proposed treatment

A. An adult (over the age of 18) who is of sound mind

The trend in dental negligence or malpractice actions has historically been to sue the supervising dentist alone. However, cases exist in which the dentist and the dental auxiliary have both been sued for the actions of the dental auxiliary.

Both statements are true

The standard of care can be defined as the quality of care that is provided by dental practitioners in _______ locality under _________________ conditions.

a similar; the same or similar

Which of the following statements is true of dental images and the patient's dental record?

A. It is advised to keep patient dental images in a file separate from patient charts.

B. The dental record must include documentation of the number and type of dental images exposed.

C. Dental images are an optional rather than integral part of the dental record.

D. Dental images may be discarded when outdated.

B. The dental record must include documentation of the number and type of dental images exposed.

You have entered a wrong entry in the dental record. Which of the following should you do?

A. Erase the entry and write in the correct entry.

B. Cover the original entry with white-out and write the new entry in over the white-out.

C. Draw a single line through the incorrect entry, initial it, write in the correct entry.

D. Block out the original entry and write the correct entry next to the original entry.

C. Draw a single line through the incorrect entry, initial it, write in the correct entry.

Your former patient has moved and would like his records including the original radiographs sent to his new dentist. Which of the following should you do?

A. Copy the original films, send the original films, and keep the duplicate set.

B. Keep the original films and send the new dentist a duplicate set.

C. Make a duplicate copy to send to the new dentist unless the patient signs a release to send the originals.

D. Forward the original radiographs to the new dentist.

B. Keep the original films and send the new dentist a duplicate set.

When a patient refuses dental images the dentist has deemed are necessary for treatment planning, the dentist should refuse to treat the patient; however, the patient could sign a release form that would allow the dentist to continue with the patient's treatment.

The first part of the statement is true; The second part of the statement is false.

The rule of isometry states that two triangles are equal if they have ______ equal angle(s) and share a common side.

Two

When the bisecting technique is used, the receptor must be placed along the ________ surface of the tooth.

Lingual

(1) When using the bisecting technique, the receptor holder or the patient's finger may be used to stabilize the receptor. (2) A beam alignment device is used to stabilize the receptor and to align the position-indicating device (PID).

The first statement is false, the second statement is true

You are using the Rinn Snap-A-Ray to take a dental image of tooth #13. What vertical angulation should you set the PID at to get a dental image that is the same length as the tooth?

+30 to +40 degrees

Which size receptor is traditionally used with the bisecting technique?

#2 receptor for anterior teeth and for posterior teeth

Which of the following techniques use the same principles of horizontal angulation?

1. Paralleling

2. Bisecting

3. Bite-wing

1, 2, 3

With the bite-wing technique, the vertical angulation is predetermined; the central ray is directed at ____ degrees to the occlusal plane.

+10 degrees

When the bisecting technique is used, foreshortening will occur if the central ray is directed perpendicular to the

plane of the receptor

Receptor should be placed approximately ____ inch beyond the incisal or occlusal surfaces when using the bisecting technique.

1/8th

The recommended anterior periapical exposure sequence for the bisecting technique starts with the

maxillary right canine.

According to the recommended posterior periapical exposure sequence for the bisecting technique, the second posterior quadrant exposed should be the

mandibular right quadrant.

According to the text, the advantages of the bisecting technique are greater than the disadvantages. Therefore, the bisecting technique should be used instead of the paralleling technique when taking periapical images.

Both statements are false

When adjusting the horizontal angulation, the PID is moved ___________. When adjusting the vertical angulation, the PID is moved ______________.

side-to-side; up and down

With the bisecting technique, the recommended vertical angulation range for tooth number 6 is _________ degrees.

+45 to +55 degrees

The contacts on your dental image are overlapped, which of the following would you correct when retaking the image?

horizontal angulation

Your premolar image is undiagnostic, the mesial half of the dental image is radiopaque. You are missing the canine and first premolar, and the distal edge of the radiopaque area is curved. Which of the following will you adjust to correct this error for the retake?

receptor exposure

(1) A thyroid collar is used for Waters, submentovertex, and reverse Towne projections. (2) A thyroid collar is not used for the lateral jaw, lateral cephalometic, and the posteroanterior projections.

The first statement is false; the second statement is true.

(1) Temporomandibular joint tomography is used to evaluate the condyle, articular eminence, and glenoid fossa. (2) Other landmarks are blurred in TMJ tomography.

Both statements are true

Which of the following is the most commonly used extraoral film size?

5 X 7

An occlusal receptor ________ be used for some extraoral images. When used extraorally, it covers a ________ area than a screen film.

may; smaller

Scatter radiation will...

increase film fog.

Which of the following choices is a type of lateral jaw projection?

Body of the mandible projection

For the _____________ projection, the patient's face is against the receptor with both the forehead and chin touching the receptor.

posteroanterior

The left side of the patient's head is positioned adjacent to the cassette for the _____________ projection.

lateral cephalometric

Your patient thinks she has fractured her zygomatic arch. Which of the following projections would you take?

submentovertex

In order to take this projection, you need to have your patient face the receptor, touch his forehead to the receptor, tuck his chin down to his chest, and open his mouth as wide as he can. Which projection is this?

Reverse Towne