Author Question: Tuberculin skin testing is an element of safety in any laboratory regardless of the level of service ... (Read 50 times)

123654777 · **on:** Jun 25, 2018

Tuberculin skin testing is an element of safety in any laboratory regardless of the level of service provided. This test is performed every ________ on microbiology personnel.

A) 6 months B) year C) 1.5 years D) 2 years

Question 2

A patient with the classic form of homocystinuria typically presents with which of the following blood and urine levels?

A) Detectable levels of branched-chain ketoacid dehydrogenase in blood
B) Elevated blood levels of homocysteine, total homocysteine, and methionine and detectable homocysteine in the urine
C) Elevated blood levels of tyrosine and succinylacetone in urine
D) Elevated blood levels of methionine and detectable valine in the urine