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Final Exam
Intro to Radiology
| Question | Answer |
|---|---|
| The process by which a beam of x-ray photons is reduced as it passes through matter is known as: | attenuation |
| Computed radiography (CR) uses which of the following as its image receptor? | photostimulable phosphor plate |
| The factor that controls the amount of x-radiation produced by the x-ray tube is: | milliampere-seconds (mAs) |
| Which of the following image receptor systems does NOT use light during exposure? | direct conversion DR |
| The 15% rule helps to explain the effect of _____ on exposure. | KvP |
| Which of the following is NOT a radiographic contrast medium? | water |
| The most common cause of radiographic unsharpness is: | motion |
| What term in digital imaging is used to describe a numeric representation of the quantity of exposure received by a digital image receptor? | exposure indicator |
| The component of the radiographic system that produces radiation is the: | x-ray tube |
| The selection of radiographic exposure factors such as mAs and kVp is performed at the operator: | control console |
| The quantity of electrons for x-ray exposure is determined by the mAs. This is calculated by: | multiplying the milliamperage by the exposure time |
| The primary components of the x-ray tube important to x-ray production are the: | anode and cathode |
| The component that controls the size and shape of the x-ray exposure field is the: | collimator assembly |
| True digital image receptors are referred to as: | flat panel detectors |
| The component that supports and permits the x-ray tube to be moved in different directions is the: | tube stand or overhead tube crane assembly |
| In a fluoroscopic system, the surface or face of the fluoroscopic detector is considered the: | primary barrier |
| Which of the following is not necessary for x-rays to be produced? | a source of protons |
| For pair production to occur, the energy of the incoming x-ray photon must be at least: | 1.02 MeV |
| The interaction of x-rays with matter that constitutes the greatest hazard to patients in diagnostic radiography is: | photoelectric interaction |
| The unit used to measure the amount of energy absorbed in any medium is the: | Gray |
| The maximum accumulated whole-body dose for a 35-year-old occupational worker is: | 350 mSv |
| According to the law of Bergonie and Tribondeau, the characteristics that determine the sensitivity of a cell to radiation are: | mitotic activity and structure and function of the cell |
| Which of the following is not a component of an optically stimulated luminescence (OSL) dosimeter? | exposure meter |
| What is the annual dose limit for occupational exposure? | 50mSv |
| Lead absorbs x-rays through the process of | the Compton effect |
| Human diversity consists of characteristics associated with: | age ethnicity gender lifestyle |
| Individuals born between 1981 and 1995 are generally referred to as | generation Y |
| Over the next three decades, which of the following age groups is expected to be the fastest-growing segment of the population? | 85+ |
| Which one of the following does not relate to a person’s ethnicity? | dress |
| Which of the following is not one of the ways that culturally different individuals have interacted with the US majority culture in the past? | assimilation and biculturalism |
| Government statutes to protect people from discrimination are based on: | ethnicity or race, disability, age |
| Sexual orientation regards an individual’s designation as any of the following EXCEPT | asexuality |
| Approximately what percentage of world’s population has some type of disability? | 10 |
| Which of the following is considered the most profound step that the United States has ever undertaken to prevent discrimination toward people with a disability? | The Americans with Disabilities Act of 1990 |
| Of the following, which one is not considered an element that may contribute to the ability of an organization to become culturally competent? | ignoring cultural norms and values |
| The highest level of Maslow’s hierarchy of needs is | self-actualization |
| the word ambulatory means that the patient: | can walk |
| Which of the following would you not want to discuss with a patient? | hobbies |
| Questions about the diagnosis of an examination from a patient or visitor are best answered by | explaining that only a radiologist can read radiographs |
| Which method is effective in communicating with a patient? | professional appearance, touch, pantomime techniques |
| When is touching a patient valuable? | for emotional support, for emphasis, for palpation |
| Which of the following characterize the development of a toddler (1 to 3 years of age)? | understands simple abstractions is unable to understand more than one word for something is unable to take the viewpoint of another |
| Of the changes that occur in geriatric patients that are especially important when patients are undergoing radiologic examinations, which of the following may produce patient paranoia about potential falls with potential for permanent loss of mobility? | osteoporotic loss of bone mass |
| Which of the following is considered to be the first stage of acceptance of dying for a terminally ill patient? | denial and isolation |
| Which of the following permits the patient to begin to work through the various stages that precede dying? | open awareness |
Created by:
sav98