Which of the following statements are TRUE of controls ? Controls are identical in terms of biologic composition to patient samples. Controls are tested in the same way and at the same time as patient samples are tested. Control results alert the technician to instrument and/or reagent error. All of the above.

What is crystallographic data processing and structure determination? what are the physical infrastructures of x-ray crystallographic structural biology? who can tell me detailed information? any would be appreciated. in advance!

4. you are asked to make 125 grams of a 7% antifungal cream using tolnaftate powder and eucerin cream. how many grams of tolnaftate powder are needed? round to the nearest hundredths (w/w)

Anurse is planning teaching for a client who has asthma about taking montelukast. which of the following should the nurse include about the purpose of this medication? a. relieves acute bronchospasm b. inhibits replication of neutrophils c. controls inflammation in the airways d. activates beta2-receptors in smooth muscle