Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

HTN > HTN Pathophysiology > Flashcards

HTN Pathophysiology Flashcards

1
Q

BP equals

A

cardiac output x systemic vascular resistance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Cardiac output equals

A

stroke volume x HR

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What constitues stroke volume

A

preload
afterload
contractility

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

pacemaker cells are influenced by what

A

autonomic nervous system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what is positive chronotropy

A

sympathetic nervous system increase HR

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is negative chronotropy

A

parasmpathetic system decrease HR

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is dromotrophy

A

how quickly signal gets to ventricles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is negative dromotrophy

A

decrease conduction velocity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is positive dromotrophy

A

increase conduction velocity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Phase 4 action potential of pacemaker cells

A

Inward Na current

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What medication affects phase 4 action potential of heart

A

Class II beta blockers
Class IV Non DHP CCBs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Phase 0 action potential of pacemaker

A

Inward Ca

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What medication affects phase 0 action potential of heart

A

Class IV Non DHP CCBs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is inotropy

A

how hard the heart pumps out to vasculature

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What influences inotropy

A

preload
afterload
free cystolic calcium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is preload

A

amount of blood in the ventricles

17
Q

What is the frank starling mechanism?

A

increase in end-diastolic volume increase contractility

18
Q

What is afterload

A

the arterial pressure that must be overcome

HTN (14 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions