Pcoa practice - Study guides, Class notes & Summaries

PCOA Practice exam

A prevalence study conducted from January 1 to December 31, 2017, on a population of 125,000 identified 500 cases of a disease. The incidence rate of this disease is 2 per 1,000. What percentage of the cases was newly diagnosed in 2017? A. 5% B. 50% C. 2% D. Answer cannot be calculated from this data set - ANSWERSC. 2% Of 125,000 people, there were a total of 500 cases. An incidence rate of 2 per 1,000 means 250 new cases per 125,000 people. Thus, 50% are new cases. What mechanism is...

PCOA Practice Questions And Answers Graded A+

Regarding point mutations, the exchange of a purine for pyrimidine is: A: a translocation B: a frameshift substitution C: a transversion D: an inversion - ANSWERSa transversion Which of the following publication types is the LEAST likely to be subject to author bias? A: Case reports B: Case series C: Practice guideline D: Editorial - ANSWERSPractice guideline Deliquescence occurs when: A: two hygroscopic drugs are mixed B: a hygroscopic drug is exposed to water C: a hydrophobic ...

PCOA Review and Practice Rated 100% Correct!!

Transcranial Doppler Sonography Exam Practice Questions with complete Solutions Graded A+ Transcranial Doppler (TCD) - Answers Measure blood velocities in the basal arteries and the circle of Willis. Evaluate Vascular Abnormalities. TCD Instrumentation - Answers 2 MHz, pulsed wave doppler with a good directional resolution, small sample volume and 0 degree angle . Transcranial color-coded duplex sonography (TCCS) - Answers Combine B-mode imagining with Color flow and doppler. TCCS techniq...