Rad 140 - Study guides, Class notes & Summaries

Types of prevention - answer-primary- car restraints, bicycle helmets, immunizations secondary- prevent for those with RF-pap, mammo tertiary-mgmt of established disease- meds, lifestyle Primary - answer-Preventing the health problem, most cost effective form of healthcare **IMMUNIZATIONS, ensuring adequate illumination at home (preventing falls) Secondary - answer-Detecting disease in early asymptomatic stages, screenings -Early cause finding of asymptomatic disease via the use of a sc...

_____ is a stochastic effect of radiation exposure. - ️️cancer ________ are among the most radioresistive species. - ️️cockroaches A _____ effect increases in incidence but not severity as the dose increases. - ️️stochastic A controlled area is one occupied primarily by _____. - ️️radiology personnel and patients A cumulative timer is designed to _____ of fluoroscopy beam-on time. - ️️make the radiologist aware A dose of _____ Gy or more to a small area of the body can c...

A study of an irradiated population which showed a relative risk factor below 1.0 would indicate that the population had a _____ risk. - ️️reduced A subject would not experience _____ following a dose high enough to cause CNS syndrome. - ️️hematologic syndrome gastrointestinal syndrome A target molecule that is _____ will always cause cell death. - ️️inactivated A tenth-value layer is equal to _____ half-value layers. - ️️3.3 What is the minimum requirement for filtration on...

A properly positioned radiograph of the Waters projection for sinuses should reveal the petrous ridges - ️️below the maxillary sinuses The fracture of adjacent ribs in two or more places is caused by blunt trauma and is associated with underlying pulmonary injury is defined as? - ️️Flail Chest The Glabella is located on the ________ Cranial bone. - ️️Frontal The Jugular foramen is located on ________ . - ️️Temporal bone The lateral projection of the facial bones clearly demon...

Who made the discovery of x-rays? - ️️German scientist Dr. Wilhelm Conrad Roentgen What did Roentgen discover? - ️️The crooke's tube Where did Roentgen make his discovery? - ️️Germany, Europe When did Roentgen make his discovery? - ️️November 8, 1895 What did Roentgen receive as a prize for his discovery? - ️️He was the recipient of first Nobel Prize for physics What was the first radiograph? - ️️Roentgen's wife, Anna Bertha's, hand How long was the first exposure? ...

DAP is expressed in cGy-cm2 (R-cm2). - ️️_________ is a quantity that reflects not only the dose but also the volume of tissue irradiated; therefore, it may be a better indicator of risk than dose. dosimetry dosimeters. - ️️The measure of radiation intensity is called _______, and the radiation measuring devices are called ___________ drywall or wood paneling - ️️Lead bonded to __________ or __________ is used most often as a primary protective barrier. Such lead shielding is av...

A hypersthenic pt is scheduled for knee radiographs. how should the CR be directed for the AP projection? - ️️5 degrees cephalad A particular radiograph demonstrates an open proximal tibiofibular joint, the medial patella free of superimposition, and an open femorotibial joint. Which projection does this describe? - ️️internal oblique knee A pt with a history of trauma to the PIP joint of the 5th finger comes to your facility with a request for hand radiographs. Which of the following ...

A dizzy feeling associated with sitting or standing after a prolonged period of bed rest is caused by: a. Vertigo b. Decubitus ulcer c. Postural hypotension d. Decubitus seizure - postural hypotension A patient showing signs of shock should be placed in the Trendelenberg position to: a. Increase oxygen to the lungs b. Increase circulating blood volume c. Increase blood flow to the heart d. Relax venous spasms - increase blood flow to the heart A persistently high arterial blood pressur...

EPA LEAD INSPECTOR NEWEST ACTUAL EXAM DETAILED 140 QUESTIONS AND CORRECT ANSWERS ALREADY GRADED A+.REVISED Due to discrepancies of regulations, many inspectors encounter difference between federal, state, or local, standards. The "rule of thumb" is to: - ANSWER- comply with more stringent standards What is emitted from radioactive sourec in the XRF: - ANSWER- Gamma rays The decay rate of cobalt-57 is approximately: - ANSWER- 9 months Which governmental agency has taken action to...

CT Registry Review (MIC) Questions and Answers Rated 100% In order for an x-ray photon to be measured it must: 1. enter the detector chamber 2. be absorbed by the detector material 3. be converted to a measurable event *ANS* 1,2,3 Which system component converts the projection attenuation data into the proper digital form for the array processor? *ANS* analog-to-digital converter Which of the following is NOT a function of a PACS system? a. reconstruction of the image from the raw d...