NUR 2016: PRESSORS: TEST QUESTIONS WITH ACCURATE SOLUTIONS

NUR 2016: PRESSORS: TEST QUESTIONS WITH
ACCURATE SOLUTIONS




1) Why can phenylephrine cause reflex bradycardia? -- Answer ✔✔ It causes
vasoconstriction, the baroreceptors sense this and activate a reflex mechanism to
reduce heart rate and prevent excessively high BP



2) What receptor(s) does Dobutamine act on? -- Answer ✔✔ beta 1 and beta 2



3) What is the main effects of Dobutamine? -- Answer ✔✔ Ionotropy, mild vasodilation



4) What is the main use for Dobutamine? -- Answer ✔✔ Cardiogenic shock



5) True or false: Dobutamine causes minimal changes in heart rate. -- Answer ✔✔ True



6) What receptor(s) does Dopamine act on? -- Answer ✔✔ Alpha 1, alpha 2, beta 1,
beta 2, DA



7) What are DA receptors? -- Answer ✔✔ Dopamine receptors