Questions and Answers
What is the addition of the filtration within the x-ray tube designed to block?
Low energy from reaching the patient
What type of personal dosimeter uses aluminum oxide as the absorbing material?
OSL - Optical Stimulable Luminescent Dosimeter
What effect does adding more half value layer (HVL) have on the quality of the x-ray beam?
Increased quality
The part of the lung that rests on the diaphragm is termed the?
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What is the portion of the lung that extends superior to the level of the clavicle called?
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According to the American Hospital AHA patient care partnership, which of the following are rights of the patients? (Select all that apply)
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What is the error called when a radiograph is acquired with a source to image distance (SID) that is not appropriate for the grid?
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What emergency medication can be administered intravenously if a patient develops pulmonary edema after administration of contrast media?
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Benadryl is administered for?
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Atropine is administered for?
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Epinephrine is administered for?
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A medical x-ray tube must include aluminum equivalent filtration equal to a minimum of?
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What is the correct medical abbreviation for 'as desired'?
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Prn means?
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Which following components are required for an infection to survive and to be transmitted? (Select all that apply)
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Why is lead the most effective material in protective barriers?
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What is the CR entrance point for an ERECT AP abdomen projection?
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Walls that are considered to be secondary barriers should be?
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What is peristalsis?
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What is the annual effective dose limit for a radiographer?
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When is it acceptable for a radiographer to stand in the path of the primary beam?
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For informed consent to be considered legal, which of the following conditions must be met? (Select all that apply)
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What is paralanguage?
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How can paralanguage be used to improve the quality of communication with one's patient?
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Which projection best demonstrates the zygapophyseal joints of the cervical spine?
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What layer of the computed radiography CR imaging plate captures and stores x-ray photons transmitted through the patient?
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Leaving patient billing statements in the open is a violation of HIPAA.
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Study Notes
X-Ray Filtration and Patient Safety
- Filtration in x-ray tubes blocks low-energy rays to protect patients from unnecessary exposure.
- Medical x-ray tubes require a minimum aluminum equivalent filtration of 2.5 mm.
Dosimetry and Radiation Protection
- Optical Stimulable Luminescent Dosimeter (OSL) uses aluminum oxide for measuring radiation exposure.
- The annual effective dose limit for a radiographer is set at 50 millisieverts (mSv).
X-Ray Beam Quality
- Increasing the half value layer (HVL) enhances the quality of the x-ray beam.
Lung Anatomy
- The lung's base rests on the diaphragm, while the apex extends above the clavicle.
Patient Rights Under AHA Partnership
- Patients are entitled to high-quality care, a safe environment, privacy protection, and assistance with billing.
- They should also be informed about students conducting exams and the risks and benefits of treatments.
Radiographic Equipment and Errors
- Off-focused error occurs when the source to image distance (SID) used is not compatible with the grid design (e.g., 42 inches instead of a recommended 50-72 inches).
Emergency Medications
- Lasix is used for treating pulmonary edema when conservative treatments fail.
- Benadryl is used for allergic reactions and hives.
- Atropine is administered for hypotension and bradycardia.
- Epinephrine is indicated for severe hypotension with tachycardia and other severe allergic reactions.
Infection Transmission
- Infection requires a pathogen, a favorable environment for growth, and methods of transmission either exogenous or endogenous.
Protective Barriers in Radiology
- Protective walls classified as secondary barriers must have a lead thickness of 0.8 mm and stand 2.1 meters (7 feet) high to block leakage and scatter radiation.
- Lead is the most effective material for protective barriers due to its high atomic number.
Radiographic Procedures
- The central ray (CR) for an erect AP abdomen projection is positioned at the mid-sagittal plane, 2 inches above the iliac crest.
- The lateral projection is optimal for visualizing the zygapophyseal joints of the cervical spine.
Consent for Medical Procedures
- Informed consent requires the patient to be mentally competent, of legal age, voluntarily consenting, and adequately informed about the procedure.
Communication Skills in Radiology
- Paralanguage refers to the vocal aspects of communication, including speech tone and volume, which can enhance interaction quality with patients.
- Clear, distinct speech is crucial for giving effective instructions for patient positioning.
Privacy Violations
- Leaving patient billing statements exposed constitutes a violation of HIPAA regulations.
Imaging Technology
- The phosphor layer of the computed radiography (CR) imaging plate captures and stores x-ray photons that pass through the patient.
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Description
This quiz covers important aspects of radiography including x-ray filtration, dosimetry, lung anatomy, and patient rights. It emphasizes the importance of patient safety, the quality of x-ray beams, and the regulatory standards that protect patients and medical staff. Test your knowledge on these critical topics related to radiographic practices.