In order to halve density on an image, what factor must be adjusted?

kVp by 5%
kVp by 15%
kVp by any factor
kVp by 30%


kVp by 15%

Rationale: In order to double density on an image, the kVp must be increased 15%; to halve the density, decrease kVp by 15%. This is the 15% rule.

Health Professions

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What is an unfortunate side effect of the treatment for autoimmune disease?

A) Patients often develop peripheral neuropathy. B) The patient has a dramatic increase in red blood cells. C) The patient is less able to fight infectious diseases. D) Patients experience increased gastrointestinal motility.

Health Professions

During a continuing education program, the lecturer is talking about the RACE scale as a newer tool the EMT can use to help determine whether a neurologic problem is present. Which neurologic problem does the RACE scale address?

A) Structural versus metabolic cause of unresponsiveness B) Large-vessel occlusion stroke C) Seizures that are due to an organic cause versus metabolic cause D) Stroke stemming from a smaller blood vessel above the circle of Willis

Health Professions

Hillcrest Hospital uses a unit numbering system. Patient Tom Jones, admitted on January 4, was assigned patient record number 456789. Patient Mary Black, the next patient admitted, had a previous admission to the facility and at that time was assigned patient number 422223. On this admission, Mary should be assigned record number:

A) 422223 B) 422224 C) 456789 D) 466787

Health Professions

Home health services are identified in FL42. Several different revenue codes are applicable to home health services; please list them.

What will be an ideal response?

Health Professions