Download Medical Equipment Troubleshooting and Regulations and more Exams Nursing in PDF only on Docsity! CRES CERTIFICATION- FINAL- 1 EXAM 2024/2025 A lengthwise plane running from side to side, dividing the body into anterior and posterior portions is a? - Answer ✔✔Coronal plane What is the spongy, fish-shaped glandular organ behind the stomach the secretes fluid to break down chyme, the fluid that consists of partially digested food leaving the stomach and transported to the small intestine? - Answer ✔✔Pancreas Which digestive system organ secretes both hormones and digestive fluids, and consists of a head, a body, and a tail? - Answer ✔✔Pancreas A Class A fire, according to NFPA 99, the Healthcare Facilities Code, is one that involves? - Answer ✔✔Wood, paper, or rubbish A high-level current that passes through the body by skin contact with a voltage source is? - Answer ✔✔Macroshock According to the NFPA 99, the Healthcare Facilities Code, the minimum acceptable wire size for ground conductors in power cords for power cord lengths less than 15 feet in length is? - Answer ✔✔18 AWG Electrical safety test equipment measures outlet polarity, ground-wire resistance, and ________? - Answer ✔✔Leakage current How many classes does the Food and Drug Administration, FDA, use to classify medical devices, based on the level of control necessary to assure the safety and effectiveness of the device? - Answer ✔✔3 Joint Commission standards require that the following groups have input into the equipment selection and acquisition process? - Answer ✔✔Users and maintainers of medical equipment NFPA 99 requires patient care-related electrical equipment used in patient rooms to be tested before being put into service and after any repairs that might have compromised electrical safety. Also, how often must this type of equipment must be tested? - Answer ✔✔According to facility-established policies and procedures The basic safety and essential performance of all medical electrical equipment used by or under the supervision of qualified personnel in the general medical and patient environment is defined by which AMMI standard? - Answer ✔✔ANSI/AAMI ES60601-1 The international Electrotechnical Commission standard IEC 80001-1 addresses which of the following? - Answer ✔✔Application of risk management for IT networks incorporating medical devices Which of the following factors might reasonably be considered when determining the priority for repair for a medical device that has failed? - Answer ✔✔Time of repair System criticality Coast of repair DICOM is associated most closely with which of the following IT systems used in the hospital? - Answer ✔✔PACS Picture archive and communication systems The H. 323 standard refers to? - Answer ✔✔A standard that provides audio and video communication protocols for transmission over a packet network. While CAT 6 network cable can handle broadband transmission and Gigabit Ethernet networks, fiber-optic cable can move data? - Answer ✔✔Faster and further Bone marrow cancer id called? - Answer ✔✔Leukemia The prefix- gastro refers to what part of the body? - Answer ✔✔Stomach What divides the body into left and right halves? - Answer ✔✔Sagittal What is the condition where a patient's oxygen levels are low and their skin appears grey? - Answer ✔✔Cyanosis What is the primary purpose of the right atrium? - Answer ✔✔Receives blood from the Vena Cava What type of blood cell carries oxygenated blood? - Answer ✔✔Red Blood Cells Where do X-Rays leave the body from a PA type of exposure? - Answer ✔✔From the front of the body A safety consideration when using CT is? - Answer ✔✔Increased patient dose The minimum passing score for the ACR Phantom is? - Answer ✔✔4 fibers, 3 spec groups 3 masses The best method of laser safety includes placing Laser/caution sign outside of door, wearing safety glassed, and ? - Answer ✔✔Verify all windows opening/shades are closed The temperature at which a liquid emits vapors that are ignitable is called the? - Answer ✔✔Flashpoint What does NFPA 101 cover? - Answer ✔✔Fire What is HIPPA - Answer ✔✔An act of congress limiting access to EPHI What is the last step after removing PPE? - Answer ✔✔Wash hands with soap and water What safety measures should be used when working on permanently wired equipment? - Answer ✔✔Lock out / Tag out A 100 microfarad capacitor is rated for 600V. What is the current flow through the cap if there is 100v RMS, 1000Hz, AC supply across the capacitor? - Answer ✔✔63mA A resistor with Brown, Red, Black, silver bands would be? - Answer ✔✔12 ohms,+/- 10% If the following wires were the same type, copper, solid core, which could carry the most current? - Answer ✔✔0 AWG The diode test mode on a multimeter is used to check emitter/collector of an PNP transistor. The meter would read? - Answer ✔✔Open in both directions This is the symbol for a ? - Answer ✔✔DIAC What best describes a CT? - Answer ✔✔Imaging along the axes of the body What common quality assurance check is extremely important in CT? - Answer ✔✔Linearity What determines the selection for molybdenum or rhodium filters during a mammography exam? - Answer ✔✔Tissue photoelectric absorption characteristics What happens to the F-Stop as the lens opens up? - Answer ✔✔Decreases What imaging modality measures the amount of hydrogen present in the body? - Answer ✔✔MRI What is blackness on film? - Answer ✔✔Density What is the ratio of photons to light called for an II? - Answer ✔✔Conversion Factor What modality is used for monitoring organ functions, blood flow, and uptake of pharmaceuticals? - Answer ✔✔PET What percentage of energy is converted to X-Ray energy when taking an X-Ray exposure? - Answer ✔✔1% What type of anode material is used for Mammography tubes? - Answer ✔✔Molybdenum What's it called when an ultrasound is used to measure movement? - Answer ✔✔Temporal Resolution Which II component converts light to electrons? - Answer ✔✔Photocathode Which of the following is a dose savings procedure that allows the physician to view a single fluoroscopy frame that is saved and processed like a normal radiograph? - Answer ✔✔Last image hold Which type of exam would be used to allow a physician to view your kidney, ureter, and bladder? - Answer ✔✔Pyelogram A gamma camera has higher readings in one quadrant detector. What should you verify first? - Answer ✔✔Move isotope syringe further away from the camera A tech is complaining that the mamo machine will not go to ready. The tech has already rebooted the system multiple times. What is the first thing you should check? - Answer ✔✔Verify the correct compression force Analyze the following circuit. When operating properly, the circuit will have values VC+ 10.3V, VB= 1.09V, VE= 390mV. You read the following values: VC = 12V, VB= 1.09V, VE= 0.6V. What is the likely cause? - Answer ✔✔Open collector/base junction Based on the following diagram with a 10V peak AC input, which component would be faulty to cause the output waveform? - Answer ✔✔Shorted Z1 Films coming out of the processor are excessively wet. This could be solved by? - Answer ✔✔Increasing dryer temp If using a grid w/ a focal distance of 32" - 44" is used for 72" chest exposure. What would you expect the results to be? - Answer ✔✔Image will be dark in center, and light on the edges. The fan in the following diagram is not spinning. What is the most likely cause? - Answer ✔✔Open R5 X-Ray is not working for under table study. What should you try first? - Answer ✔✔Switch to over table tube to see if the problem follows You are asked to troubleshoot a portable X-Ray system that is not charging the batteries. Upon arrival you notice that the molded plug has been replaced w/ a hospital grade plug. You should? - Answer ✔✔Disassemble the hospital plug and inspect