NURS 4301 Exam 2 Hypertension Questions And Correct Answers

NURS 4301 Exam 2 Hypertension Questions And Correct
Answers
1.




2. blood pressure is measurement of force applied to artery walls

systolic= heart contracting- pressure putting on walls

diastolic= heart is refilling up and relaxing

3. factors that affect car- stroke volume x heart rate= CO
diac output
amount of blood pumped out of the heart in 1 minute, average 4-8




L/min

4. heart rate is system
affected by



5.




6. one in adults
in the US has
hyperten- sion

7. Blood volume:
renin-angiotensin-
al- dosterone
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, NURS 4301 Exam 2 Hypertension Questions And Correct
Answers
contractility and conductivity




3




1. renin (a hormone from
kidneys) produces angiotensin
I
-angiotensin I is a basically inactive
substance until it is converted to
the active angiotensin II




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, NURS 4301 Exam 2 Hypertension Questions And Correct
Answers

2.angiotensin II is a potent vasoconstrictor
angiotensin II also stimulates secretion of aldosterone (a
hormone) from the adrenal medulla

3.aldosterone= sodium and water retention




8. things that hap-
increase blood
volume


9. things that
decrease blood
volume




10. systemic vascular
re- sistance (SVR)




11. when your BP is
ele- vated what
regulato- ry
mechanisms
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, NURS 4301 Exam 2 Hypertension Questions And Correct
Answers
I CEI

V ARB

Diuretics

f Low sodium diet

l sympathetic nervous system: vasoconstriction and vasodilation

u neurotransmitters:
-norepinephrine
i -epinephrine

d baroreceptors

s vasodilation

decrease HR

s decrease contractility

o

d

i

u

m



A

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