Look at the picture below: For the action circled in blue, what MUSCLE is the agonist? The INSERTION for this muscle in part A is a similar attachment for several other muscles in the face.  Name ONE of these muscles with that same INSERTION.

GGT is an important indicator of hepatobiliary disease. In which condition does GGT activity frequently reach 10–30 times the upper reference limit (URL)? 

During the enzymatic cholesterol assay, enzyme reagents generate hydrogen peroxide. What role does hydrogen peroxide play in the assay? 

In dry, multilayer, slide-automated systems for glucose measurement, a small (10-μL) sample is placed on a porous film over a reagent layer. How is the glucose concentration determined in this system? 

Which analyte measurement is considered the recommended laboratory test for diagnosing acute pancreatitis? 

Overall, the measurement of soluble transferrin receptor (sTfR) in serum is most valuable for: 

What are the most common causes of both hyper- and hypothyroidism?

What is a key difference between DHEA and DHEA-S concentrations?

What is the primary use of AFP measurement in maternal serum and amniotic fluid?

Why should specimens for testosterone measurement be centrifuged and separated within 24 hours?