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shortest possible exposure time - the minimum response time of an automatic exposure control (AEC) (also called photo timing) inherent filtration (built in) - together, the filtering effect of the x-ray tube's glass envelope and its oil coolant are referred to as: periodic checks for cracks - proper care of leaded aprons includes: thermionic emission - the source of electrons with the x-ray tube is a result of: underexposed radiographic image - inadequate collimation when using the AEC ...

Manifest Production - 1. The period of time after an acute exposure to radiation in which effects of the exposure are seen is called Chromosone - The most radiosensitive part of a normal human cell is the Cataracts - A large radiation exposure to the lens of the eye will most likely result in the formation 3-5 Weeks - Death that follows an acute exposure to radiation of about 500 rems will generally occur in about indirect effect - 5. The majority of damage to the body from radiation expos...

1. Into what three sections (sub-circuits) is the x-ray circuit divided? a. The step-up, the step-down, and the line voltage compensator b. The low-voltage, filament, and high-voltage circuits c. The production, induction, and safety circuits d. The kVp meter, milliamp meter, and the exposure switch circuits - b. The low-voltage, filament, and high-voltage circuits 2. Which of the following components are located on the low-voltage side of the x-ray circuit? 1. kVp selector 2. Autotransf...

7 - How many vertebrae are located in the cervical region of the spine? A toothlike projection on the superior surface of C2 - What is the odontoid process and where is it located? 15 degrees cephalad - When taking an anteroposerior (AP) axial projection of the cervical spine, the central ray is directed: This SID helps to overcome the magnification caused by the increased object-image receptor distance (OID) of the position. - What is the rationale for using a 72 inch source-image recepto...

The diphragm - What structure separates the thoracic cavity from the abdominal arch? Heart and trachea - Which of the following organs are found within the mediastinum? The right lung - Three lobes are present in which lung(s)? Apex - What is the name of the upper portion of the lung? Costophrenic angles - The inferior lateral corners of the lungs, visible on a PA chest radiograph, are called the: 72 inches (183 cm.) - When taking a PA projection of the chest, the recommended source-image ...

what statements are correct regarding the link between radiation and genetic effects - The link has been demonstrated in animal studies . Increased risk to humans cannot be predicted with respect to an individual. The changes in kilovoltage (kVp) will result in the greatest reduction of patient dose, when milliampereseconds (mAs) is adjusted to compensate for the change - Increase kVp by 30% The following image receptor (IR) system speeds will result in the lowest patient dose - Faster speed...

what statements are correct regarding the link between radiation and genetic effects - The link has been demonstrated in animal studies . Increased risk to humans cannot be predicted with respect to an individual. The changes in kilovoltage (kVp) will result in the greatest reduction of patient dose, when milliampereseconds (mAs) is adjusted to compensate for the change - Increase kVp by 30% The following image receptor (IR) system speeds will result in the lowest patient dose - Faster speed...

2 and 3 - which of the following bones are in the hindfoot portion of the foot? 1. cuniforms 2. calcaneus 3. talus c. patella - the anatomic name for the bone commonly known as the kneecap is the: a. fibula b. tibia c. patella d. fabella b. medial malleolus - the palpable portion at the distal end of the tibia is called the: a. lateral malleolus b. medial malleolus c. medial condyle d. lateral condyle d. dorsiflexion - when the ankle is flexed to raise the foot, the movement is ter...

what position is when patient is standing upright and is facing the board? - posterioranterior (PA) what structure separates the thoracic cavity from the abdominal cavity? - the diaphragm which of the following organs are found within the mediastinum - heart, trachea three lobes are present in which lungs? - the right lung what is the name of the upper portion of the lung? - apex the inferior lateral corners of the lungs, visible on a PA chest radiograph, are called the - costophrenic angl...

X-rays were discovered in 1895 by: a. Coolidge b. Crookes c. Roentgen d. Edison - Roentgen On what date were x-rays discovered? a. November 8, 1895 b. November 10, 1923 c. October 31, 1859 d. October 31, 1895 - November 8, 1895 What is the proper term for the "pictures" produced by x-rays? a. Photographs b. Radiographs c. Views d. X-images - Radiographs The world's oldest and largest radiologic science professional organization is the: a. American Registry of Radiologic ...

The portion of the x-ray room that is protected from scatter radiation and is safe during exposures is called the: - Control booth A line in the center of the x-ray beam and perpendicular to the long axis of the x-ray tube is called the: - Central ray Tissues with greater mass, such as bone, will absorb _____ radiation, as compared with less dense tissues, such as fat. - More The absorption of x-rays by matter is called: - Attenuation Which of the following statements regarding scatter ra...

Nov. 8, 1895 by Wilhelm Roentgen at University of Wurzburg, Germany - When, who, and where xrays were discovered American Society of Radiologic Technologists (ASRT) - Founded in Chicago in 1920 continuing education, professional journal, guidance for radiographic educators, and publishes a CODE OF ETHICS American Registry of Radiologic Technologists (ARRT) - establish standards and examinations to certify RTs published Rules of Ethics Joint Review Committee on Education in Radiologic Tec...

Nov. 8, 1895 by Wilhelm Roentgen at University of Wurzburg, Germany - When, who, and where xrays were discovered American Society of Radiologic Technologists (ASRT) - Founded in Chicago in 1920 continuing education, professional journal, guidance for radiographic educators, and publishes a CODE OF ETHICS American Registry of Radiologic Technologists (ARRT) - establish standards and examinations to certify RTs published Rules of Ethics Joint Review Committee on Education in Radiologic Tec...

The iliac crest is located at the level of which vertebra? a. L1 b. L2 c. L4 d. L5 - c. L4 All of the following are located in the abdominal cavity EXCEPT the a. Costophrenic angle b. Kidneys c. Hepatic flexure d. Ureters - a. Costophrenic angle 4. The kidneys lie in what relation to the large colon? a. Lateral b. Medial c. Posterior d. Anterior - c. Posterior 5. The inferior level of the urinary bladder corresponds to which of the following bony landmarks? a. Crest b. ASIS c. ...

Main property of x-radiation that makes it potentially hazardous is its ability to? - Ionize Describe the damage potential of ionization? - Chain reaction in the human body that may eventually cause biologic damage. X-rays are from the Electric Magnetic Spectrum or radiation energy and is considered harmful in high energy ranges. What is the most likely potential hazard working with diagnostic radiology? - Carcinogenesis - Stochastic/Non-Threshold Effect .1 Rem = ? Seivert - 1 Sievert 0.1...

The nurse is providing teaching to the client recently diagnosed with osteoarthritis. Which statement by the nurse is correct? A) "Osteoarthritis is most commonly seen in thin, small-built female clients." B) "Osteoarthritis is a result of joint inflammation." C) "Osteoarthritis occurs due to erosion of cartilage in the joints." D) "Osteoarthritis is a metabolic bone disease." - C The nurse is caring for a client with osteoarthritis. Which factor in the client's ...

The results of a client's biopsy indicates neoplasm. The nurse understands that which characteristic indicates that the neoplasm is benign? A. Well-defined borders B. Rapid growth C. Invades surrounding tissues D. Noncohesive - A. Well-defined borders Rationale: A benign neoplasm has well-defined borders, slow growth, is cohesive, and pushes other tissues out of the way. A malignant neoplasm invades surrounding tissues, is noncohesive, does not stop at tissue borders, and grows rapidl...

Osteoarthritis - Most common arthritis causing joint cartilage deterioration. Primary Causes - Aging and genetic factors contributing to osteoarthritis. Secondary Causes - Joint injury, obesity, and repetitive stress factors. Crepitus - Grating sound from friction between bone and cartilage. Joint Effusions - Accumulation of fluid in the joint space. Laboratory Assessment - Includes aspirated joint fluid, ESR, and hsCRP. Pain Control Outcome - Achieves pain level of 2 to 3 on scale. Trama...

The occupational health nurse is teaching a class on the risk factors for developing osteoarthritis (OA). Which is a modifiable risk factor for developing OA? 1. Being overweight 2. Increasing age 3. Previous joint damage 4. Genetic susceptibility - 1. Being overweight The client is diagnosed with OA. Which sign/symptom should the nurse expect the client to exhibit? 1. Severe bone deformity 2. Joint stiffness 3. Waddling gait 4. Swan-neck fingers - 2. Joint stiffness Pain, stiffness, ...

A nurse is providing a preventive teaching discussion with a client at risk for osteoarthritis. Which guideline should be included in this discussion related to exercise? - A)Exercise is not recommended B)If there is pain with exercise, keep going, this is building muscle C)Participate in regular exercise, including walking or swimming D)Perform heavy weightlifting exercises three times per week Answer: C Participating in regular exercise like walking, jogging, swimming and cycling can kee...