Is ultrasound a useful tool during arterial and/or venous access?

38. The nurse is providing education to a group of adolescents when one teenager asks if people with cystic fibrosis have fertility problems.  When answering this question, the nurse considers which of the following?  

How many sig figs are in the following: 0.050 mg    

An adverse effect of the anti-neoplastic drug Methotrexate is that it can suppress bone marrow.

A student measures a length of rope three times.  The true measurement is 5.61 m.  Her measurements are: Measurement 1 5.71 m Measurement 2 5.72 m Measurement 3 5.70 m Comment on the precision of this student’s measurements in complete sentences.  

What is the name of ClF5?  Complete sentences not needed. I = iodine, F = fluorine  

For the isotope Ti-60, the number of neutrons is:  

__________ alkylation drugs work by inserting themselves between 2 base pairs.

Consider the following.  Which is an example of compound?  

Consider the substances listed below.  Of them, which would be classified an element?