Answer: B. Dobutamine's effect is a direct acting inotropic agent (synthetic catecholamine). It improves cardiac output short term, by improving stroke volume (the amount of volume of blood ejected each heart beat). It may l slightly slightly cause an increase in heart rate (positive chronotropic effect) but it willnot slow down the rate or decrease conductin. See wikipedia at http://en.wikipedia.org/wiki/Chronotropic . See the ACLS pocket guide at http://www.globalrph.com/acls_guide.htm . See globalrph at http://www.globalrph.com/druginforx.htm for more information see http://www.rxlist.com/dobutamine-drug.htm . Definition at http://medical-dictionary.thefreedictionary.com/inotropic .
Answer D is correct. Physiological changes have resulted from smoking cessation with or without treatment with Chantix. These changes may alter effects of certain drugs, two are insulin and theophylline.