Which of the following is responsible for the second step of the clotting process?

What is one necessary specification of all suture materials?

a. Must be sterile when placed in tissue b. As large a diameter as possible must be used to ensure proper hold c. Removal must occur within 7 to 10 days postoperatively d. Must be greatly reactive to skin and tissue to be effective

Which of the following is characteristic of a noninvasive diagnostic procedure?  

A.  It requires the radiologist to insert a catheter or wire into a blood vessel or organ. B.  It requires surgical aseptic technique. C.  It uses standard X-rays or ultrasound to view internal structures. D.  It requires close monitoring of the patient because of the anesthesia. E.  A contrast medium is injected into a vein before the procedure.