ARRT PRACTICE TEST QUESTIONS WITH 100% CORRECT ANSWERS!!

which term represents the degree of echo amplification or brightness of an ultrasound image? a. zoom b. gain c. scatter d. absorption - Answer-b. gain what type of image does linear array offer in real-time imaging? a. trapezoidal image b. pie-shaped image c. large-field image d. rectangular image - Answer-d. rectangular image pulsed doppler is used for what diagnostic purpose? a. to determine blood flow through arteries and veins b. to view large organs c. to determine solid masses d. there is no diagnostic purpose for pulsed doppler - Answer-a. to determine blood flow through arteries and veins the wave characteristic of frequency is measured by what unit of measurement? a. gain b. color c. lengthd. hertz - Answer-d. hertz the comet tail image indicated which of the following to the ultrasound technician? a. the edge of the organ b. artifact c. the sign of an abscess d. the right depth of the transducer - Answer-b. artifact you are performing an ultrasound exam of the abdomen and pelvis of a patient with an unexplained fever. you understand the purpose of the exam is to look for which of the following? a. abscess, inflammation, or mass b. enlarged lymph nodes c. both a and b d. neither a nor b - Answer-c. both a and b what is an appropriate way to store color images of an ultrasound scan? a. images can be scanned and stored in the memory of the equipment in gray scale, color, or real-time imaging b. images must be printed immediately because storage and memory are unreliable c. images can be stored as numbers or images d. images can only be stored in gray scale in the memory of the equipment - Answer-a. images can be scanned and stored in the memory of the equipment in gray scale, color, or real-time imaging which term defines the first beam transmitting from the transducer? a. the reflected beam b. the incident beamc. the transmitted beam d. the harmonic beam - Answer-b. the incident beam the purpose of a diagnostic ultrasound transducer is best described in which of the following descriptions? a. it is easy on the technician's hand and can be easily gripped b. it is shaped with a round end for the best imaging c. it is used to convert electrical energy into sound energy and sound energy to electrical energy d. the transducer really has no definite purpose; the computer equipment actually does the scan - Answer-c. it is used to convert electrical energy into sound energy and sound energy to electrical energy what is the most significant side effect of sound waves on the patient who is undergoing an ultrasound? a. there is only minimal possibility of adverse effects from the heat produced by the sound wave b. there is no possibility of adverse effect from an ultrasound exam c. neonates have the only chance of any adverse side effects from an ultrasound d. there are serious side effects from having an ultrasound, and the technician must explain those to the patient before every exam - Answer-a. there is only minimal possibility of adverse effects from the heat produced by the sound wave which statement best defines the ALARA principle? a. the principle states that the lowest reasonable energy should be used to produce the clearest image b. the principle states that the highest reasonable energy should be used to produce the clearest image c. the principle states the level of energy is not included in when deciding what technique to use to get a clear image d. the principle states that the lowest reasonable energy should be used with minimal exposure for obtaining the clearest image - Answer-d. the principle states that the lowest reasonable energy should be used with minimal exposure for obtaining the clearest imagewhat is the lowest intensity value of ultrasound imaging? a. SATA b. SPPA c. SATP d. SPTP - Answer-a. SATA