How will application of a larger focal spot size affect a radiographic image?
alters contrast
decreases recorded detail
increases recorded detail
alters density
decreases recorded detail
Rationale: There are two focal spot sizes to choose from. Small focal spots are most ideal and result in sharper recorded detail, but with increased mAs values, increase heat production will result, therefore a larger focal spot should be selected.
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Pharmacies and __________ equipment (DME) companies can be more flexible than providers' offices in their requirements for authorizations for the release of information
Fill in the blank with correct word.
TRICARE and CHAMPVA cover ____.
A. active military personnel B. veterans who served in active combat C. non-military government employees D. families of all military personnel E. disabled veterans
At any point in time in a culture, dominant sport forms
A. appeal more to the interests of athletes than to spectators. B. involve more of an emphasis on speed than strength. C. represent the interests of people who have power in that culture. D. reflect the interests of working-class people.
S: The patient presents complaining of left eye irritation for about 1 week’s duration. There is associated itching, and she admits to rubbing the eye a great deal. She denies any discharge from the eye. There is no history of trauma. She does have a strong atopic history and is (1)________, and well-controlled on (2)________
O: General: The patient is a healthy-appearing female with no acute distress. She is alert and oriented ×3. HEENT: Visual acuity: (3)________ 20/20, OS (4)________. It is unclear if this is due to a refractive error or due to the acute problem with the left eye. (5)________ exam revealed a (6)________ temporally, left eye. This is approximately 3 mm in size and there is no associated staining or infiltrate of the adjacent (7)________. The anterior chamber is quiet. The right eye slit-lamp exam is within normal limits. (8)________ exam: Disks, macula, vessels, and background are within normal limits, both eyes. Chest: Clear to percussion and auscultation. There are no wheezes, rales, or rhonchi. There is good air exchange throughout. Abdomen is benign. A: 1. Pterygium, left eye. There is a mild amount of overlying inflammation. 2. Asthma, stable. 3. Decreased visual (9)________, left eye. P: 1. Will treat the pterygium and associated inflammation symptomatically with topical antihistamine (Livostin). She will use this up to q.i.d. p.r.n. for symptoms. 2. I discussed the possibility with the patient of requiring topical steroids or even surgery if the pterygium fails to respond to the antihistamine. 3. The patient will be (10)________ next visit. This will allow us to determine whether or not the decreased visual acuity in the left eye is due to the pterygium or due to an underlying refractive error.