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- Which statement is NOT true about gradient echo sequence: O a. Produces T2 weighted image O b. Uses flip angle smaller than 90 O c. Blood and calcium appear dark O d. has short scan timeUltrasound imaging depends on the creation and detection of ultrasound pulses by a transducer placed in contact with the patient’s body. Explain the process leading from the emission of an ultrasound pulse by the transducer to the acquisition of echo data which can lead to the production of an image. Suggested word count 300.Define positron emission tomography (PET)
- After centrifugation, a CSF specimen has a yellow tint. What is this called?why do audiologists use electroacoustic measures in diagnostic audiology?A psychological test for a two-point threshold of tactile acuity will consistently show that the two-point threshold in the thigh has a 20 mm the two-point threshold in the index finger has a 2 mm the two-point threshold in the nose has a 20 mm the two-point threshold in the upper lip has a 2 mm
- A patient’s spinal cord was severed, and he is paralyzed from the waist down. When obtaining data about this patient, which component of the sensory experience would be most important for the nurse to assess? a. Transmission of tactile stimuli b. Adequate stimulation in the environment c. Reception of visual and auditory stimuli d. General orientation and ability to follow commandsA patient’s visual acuity is assessed as 20/40 in both eyesusing the Snellen chart. The nurse interprets this finding as:a. The patient can see twice as well as normal.b. The patient has double vision.c. The patient has less than normal vision.d. The patient has normal vision.From a biological perspective, how do our senses monitor our body's position and movement? Discuss factors which may influence our vestibular senses. Include a relevant example. Please include references.
- Are you an expert in interpreting ABGs? TIC TAC TOE METHOD: A cigarette vendor was brought to the emergency department of a hospital after she fell into the ground and hurt her left leg. She is noted to be tachycardic and tachypneic. Painkillers were carried out to lessen her pain. Suddenly, she started complaining that she is still in pain and now experiencing muscle cramps, tingling, and paraesthesia. Measurement of arterial blood gas reveals pH 7.6, PaO2 120 mm Hg, PaCO2 31 mm Hg, and HCO3 25 mmol/L. What does this mean?Please use tic tac toe method like the attachment picture with explanation.Discuss the importance of performing the Pupillary Light Reflex test. Why is Pupillary Dark Reflex test necessary to perform in the clinic?Explain the signal-to-noise ratio (SNR) as applied in medical imaging.
