15. This drug causes vasodilation and is used when a
vein is harvested for an autograft.
a. Carbachol
b. Atropine
c. Oxytocin
d. Papaverine
16. This type of catheter is used to enlarge the lumen of
a vessel
a. Exchange catheter
b. Guidewire
c. Angioplasty balloon catheter
d. Sizing catheter
17. This device is used as a pilot for the insertion of
other devices in the artery.
a. Guidewire
b. Stent
c. Balloon catheter
d. Measuring catheter

You isolate an infectious substance capable of causing disease in plants, but you do not know whether the infectious agent is a bacterium, virus, viroid, or prion. you have four methods at your disposal to analyze the substance and determine the nature of the infectious agent.i. treat the substance with enzymes that destroy all nucleic acids and then determine whether the substance is still infectious.ii. microscope.iii. culture the substance on nutritive medium, away from any plant cells.iv. treat the sample with proteases that digest all proteins and then determining whether the substance is still infectious.if you already know that the infectious agent was either bacterial or viral, which method(s) listed above would allow you to distinguish between these two possibilities? a) ib) iic) ii or iiid) iv

How can people get cancer? what types of cancer are there? plz i’ll mark u brainliest

Which of the following mental illness does not begin during adolescence? a. post-traumatic stress disorder b. obsessive-compulsive disorder. c. schizophrenia. d. addictions