The function of the collimator in the dental x-ray machine is to:

a. eliminate secondary sources of radiation.
b. reduce the size of the x-ray beam.
c. eliminate primary sources of radiation.
d. allow for faster exposure times.


b. The collimator constricts the diameter of the x-ray beam to reduce the radiation dose to the patient by reducing the volume of tissue exposed.

Health Professions

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While an occupational therapy evaluation may reveal numerous areas an occupational therapy practitioner might work with a student on, for an IEP, the occupational therapist should focus on

A) The daily life of the student B) Those that impact the child's participation in statewide educational testing C) Those that impact the child's participation in extra-curricular activities D) Those that interfere with the educational process

Health Professions

Which type of motion would encounter the most resistance when performing exercises while standing in a therapeutic pool?

A) fast movements down from the water surface B) fast movements toward the water surface C) slow movements down from the water surface D) slow movements toward the water surface

Health Professions

You are providing care to a 54-year-old male patient complaining of chest pain. The patient asks to speak to you privately. He tells you he is taking CialisĀ® for erectile dysfunction and his wife does not know he is taking it. He does not want his wife to find out. As you are putting the EMS bags back in the ambulance, the wife corners you and insists that you tell her what her husband said

What should you do? A) You should not tell her. By law, your conversation with your patient is confidential. B) You should tell her. As his spouse, she is legally entitled to know his medical information. C) You should not tell her. There is no reason to humiliate your patient by disclosing his embarrassing condition. D) You should tell her. He may be having an affair without her knowledge and she needs to be tested for sexually transmitted diseases.

Health Professions

You have completed the primary assessment on a patient who was thrown from a motorcycle and landed on his head and back on the nearby sidewalk. After initiating spine motion restriction and finding no life threats during the primary assessment, which action should you take first when starting a secondary assessment?

A) Determine the patient's SAMPLE history B) Obtain baseline vital signs C) Conduct a physical exam D) Load the patient into the ambulance

Health Professions