42. Regulation Of CVS

Question 1

Single most important factor for CVS :-
Pressure exerted by flow of blood on walls of vessel is called :-
Blood pressure aka :-
Velocity aka :-

Bernoulli principle :-

Answer 1

201

Question 2

Blood pressure :-
SI unit of blood pressure :-
Preferred unit for BP :-

BP types

1. SBP :-
2. DBP :-
3. Pulse pressure :-
4. Mean arterial pressure :-

Answer 2

201

Question 3

Mean arterial pressure formulas
1. :-
2:-
Normal MAP :-

Answer 3

201

Question 4

Blood pressure measurement :-
Direct method :-
Indirect method :-

Sphygmomanometer
Length should cover :-
Width should cover :-

Smaller cuff :-

Conditions where falsely high BP is seen :-

Korotkoff sign :- 
Phase 1 :- 
Phase 2 :-
Phase 3 :- 
Phase 4 :- 
Phase 5 :-

Answer 4

202-203

Question 5

Regulation of BP :-

1. Short term regulation :- occurs within :- under :-
   a.
   b.
   c.
2. Intermediate term regulation :- occurs in :-
   a.
   b.
   c.
3. Long term mechanism :-
   Takes :-
   By :-

Answer 5

203

Question 6

Short term regulation of BP
1.
2.
3.

Answer 6

203

Question 7

Baeoreflex :-
Increase in BP :-
Classical example of :-
Baroreceptors are and innervated by
1.,,,,,,,,,,,,in ,,,,,,,,,,,,,inervated by ,,,,,,,,aka
2.,,,,,,,,,,,,in ,,,,,,,,,,,,,inervated by ,,,,,,,,aka

Sinus nerves are
1.
2.

Answer 7

204

Question 8

Center is in :- 
NTS has control over :- 
Inhibits ,,,,,,,,stimulates ,,,,,,,,,
Effect :- 
( overall effect of barorecptors ) :-

Answer 8

204

Question 9

Sympathetic inhibition occurs by :-;
1.  ,,,,,,,,,,,release ,,,,,,,,,,
2,,,,,,,,,,,,of ,,,,,,,,,,,,release ,,,,,,,
3. ,,,,,,,,, of ,,,,,,,,,,,,
4. Results in :-

Answer 9

205.

Question 10

Nucleus ambiguous:-

Answer 10

205

Question 11

Increase BP :—— baroreflex :-
Inhibits :-
Activates :-
Effect :-

Increase in BP is always followed by :-
Blood pressure is inversely proportional to :-
Aka

Answer 11

205

Question 12

Meyer’s law state that :-

Answer 12

205

Question 13

Baroreceptors ;- carotid sinus

1. Occlusion of common carotid artery :- 
Leads to :- 
Baroreceptors are :- 
Activation of :- 
BP :- 

2. Clamping above carotid sinus 
Leads to 
Activates :- 
Inhibition of :- 
ActivTion of :- 
Effect :- 

3. Clamping below carotid sinus :-

Answer 13

206

Question 14

Atrial sinus or baroreceptors
These are known as :-

There are two types
Type A :-
Type B :-

Answer 14

207

Question 15

1st line control for BP :- 
Respond to pressure range of :- 
Chemoreceptors respond to :- 
CNS ischemic response respond to : 
Last line of control is :-

Answer 15

207

Question 16

Chemoreceptors 
Will respond to :- 
Chemoreceptors action is on :- 
Direct effect of chemoreceptors:- 
Indirect effect of chemoreceptors :-

Answer 16

207

Question 17

CNS ischemic response :-
Occurs when BP is :-
Last line of control :-
Chemoreceptors cannot responds bellow

Occurs due to :-
Result in :-
Pressure rise to :-

.

Answer 17

208

Question 18

Mayer’s waves :-

Tarube hering waves :-

Answer 18

209

Question 19

Application of baroreceptors 
1.on standing :- 
Postural hypotension 
2. On carotid massage 
Effect :- 
Done in :-

Answer 19

210

Question 20

Cardiac reflexes 
There are 3 cardiac reflexes :- 
Base on change in :- 
Bardycardia reflex :- 
1. 
2. 
Tachycardia reflex :- 
1.

Answer 20

211

Question 21

Bezold mariachi reflex :- 
Mediated by NT :- 
Seen in pt of :- 
Profound decrease in 
1. 
2.

Answer 21

211

Question 22

Cushing reflex :-
Seein in pts of :-
Rise in :-
Cause :-

Answer 22

211

Question 23

Brian bridge reflex :-
Seen in pt of :-
How :-
Increase :-

Answer 23

211

Question 24

Seen in

1. In MI :-
2. In head injury :-
3. In CCF :-

Answer 24

211

Question 25

Chemical regulation of BP

increases BP 
Vasoconstriction by 
1. 
2. 
3.
4. 
5. 

Decrease BP by
Vasodilation by
1.
2.

Bosentan :-
NESIRITIDE :-

Answer 25

212