Practice Unit I NS07

1.)Morphine is good for cardiac pts because...
a.) It makes them feel really good
b.) It increases GFR which increases urine production which helps avoid 3rd spacing, and augments gas exchange at the cellular level.
c.) It helps with pain.
d.) both b and c

2.) When involving capillary pressures, which statement is true?
a.) Both negative and positive pressure pull.
b.) Negative pressure pushes while positive pressure pulls.
c.) Positive pressure pushes while negative pressure pulls.

3.) When figuring out the calculations for IV meds, you would use.
a.) dry weight
b.) my weight and your weight.
c.) All weight including 3rd spacing volume.

4.) What 2 meds call for lab work of potassium before administration?
a.) vicodin and viagra
b.) lopressor and metformin
c.) lasix and digoxin

5.) What increases the force or tension of the heart?
a.) cardiac output
b.) volume
c.) heart rate.

6.) What is Epinephrine?
a.) 30% alpha vasoconstriction and 70% beta increase heart rate.
b.) 60% beta increase heart rate and 40% alpha vasoconstriction.
c.) Its all alpha vasoconstriction

7.) What are inotropic agents?
a.) influence the force of muscular contractility
b.) influenc heart rate
c.) both a and b

8.) How much oxygen does the brain utilize?
a.) 20%
b.) 50%
c.) 100%

9.) What are the 2 phases of cellular damage?
a.) Ischemia and hypovolemia
b.) decrease cell production and leakage
c.) Ischemia and Necrosis.

10.) In anaerobic metabolism, we don't produce c02 like we do in the kreb cycle, but we produce what?
a.) Chocolate
b.) lactic acid
c.) urea

11.) What are scrubbers, and what do they do?
a.) o2 radicals are scrubbers that scrub the membranes so thin they tear.
b.) students nurses that give bedbaths
c.) antioxidants that counteract the o2 radicals.

1.)d 2.)c 3.)a 4.)c 5.)c 6.)b 7.)a 8.)a 9.)c 10.)b 11.)a