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- In computed tomography, the feed of the table is 2mm and the thickness of the slice is 5mm. Determine the pitch value for the acquisition? Based on the chosen setting, how long will take to image an anatomical range of 12cm?The rotation time of computed tomography is 1.3s, ie 1 rotation per 1.3 sDiscussion: 1. What conditions can cause an abnormal MRI7Case 7: Thoroughly describe axial, lateral, and/or transverse resolution in ultrasound and discuss how they are determined (pulse width, pulse length, amplitude of the wave, etc). - You don't have to discuss all three, but whichever you choose to write about please include how it is determined.
- A CST Is working with a Nuro surgeon on a left frontal craniotomy to remove a meningioma. He has just made the scalp incision when a unit charge nurse quickly enters the OR saying, "CSP just called and there was a malfunction of the stream sterilizer last night. The sterilizer chart doesn't confirm that these Instruments went through a complete cycle even though the biological indicator have a negative reading". 1)what steps should be 0R team take at this point? 2)what is the concern if the biological indicator have a negative reading? 3)discuss the chain of errors that took place that allowed the instruments to be transported to the OR, opened, and usedExplain intravital imaging.A nurse is assessing a patient’s eyes for accommodation.What actions would the nurse perform during this test? Selectall that apply.a. Bring a penlight from the side of the patient’s face andbriefly shine the light on the pupil.b. Hold a forefinger, a pencil, or other straight object about 10to 15 cm (4′′ to 6′′) from the bridge of the patient’s nose.c. Hold a finger about 6′′ to 8′′ from the bridge of thepatient’s nose.d. Darken the room.e. Ask the patient to look straight ahead.f. Ask the patient to first look at a close object, then at adistant object, then back to the close object.
- The nurse on duty is to administer medications to a hospitalized client. Which of the following actions would a nurse be expected to perform when instilling eardrops correctly? (Select all that apply.) A. Clean the external ear with cotton balls moistened with normal saline solution. B. Draw up the amount of solution needed in the dropper and return any excess medication to the stock bottle. C. Make sure the solution to be instilled is at room temperature. D. Place the patient on the affected side in bed. E. Straighten the auditory canal by pulling the cartilaginous portion of the pinna up and back in an adult and down and back in an infant or child under 3 years.Explain the signal-to-noise ratio (SNR) as applied in medical imaging.Ultrasound 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.
- During a physical examination, the nurse assesses a patient's cranial nerves. When testing cranial nerve VIII (vestibulocochlear nerve), which assessment should the nurse perform? a) Testing hearing acuity by whispering words from behind the patient b) Assessing pupillary response to light and accommodation c) Assessing sensation on the face using a cotton swab d) Evaluating balance and coordination by having the patient walk heel-to-toeWhat imaging modes would you use for functional applications? What areas of the body are not imaging/scanned with ultrasound? How is the depth of an organ or tissue determined in diagnostic ultrasound? Which type of scanhead is capable of penetrating deeper into the body but produces lower resolution images?How does the DTI work? What structures can be seen? What studies would want to utilize this type of imaging? What conditions (should find different examples!) can be diagnosed via DTI?What are the strengths,Weaknesses/limitations of DTI