NEW
Font size
WorksheetsCVS PHYSIOLOGY
Total questions: 10
Worksheet time: 5mins
Contractility and stroke volume increases in
β -blockade
Acidosis
↓ extracellular Na+
↓ intracellular Na+
Phase 2 of action potential is due to
Sodium Influx
Potassium Influx
Calcium Influx
Chloride Influx
Which of the following about Aortic regurgitation is true ?
End diastolic volume increases
Force of contraction decreases
Stroke volume decreases
Both b and c
Normal duration of PR interval is
0.6 - 1 sec
0.12 - 0.20 sec
0.35 - 0.45 sec
< 0.44 sec
Speed of conduction is faster in
SA Node
AV Node
Ventricular Muscle
Purkinje fibres
Pacemaker potential is due to
Fast Na+ channel
Decrease in K+ Permeability
Slow Ca+ channel
Rapid repolarization
P wave is absent in
Atrial fibrillation
Atrial flutter
CCF
PSVT
Chemical structure of Hemoglobin
Has 2 polypeptide chains with 4 heme
Has 4 polypeptide chains with 2 heme
Has 4 polypeptide chains with 4 heme
Has 2 polypeptide chains with 4 heme
The patient states that his episodes of chest pressure generally last around 5 minutes but never longer than 15 minutes. They often occur when
he uses the push mower to mow the lawn on the steep part of the yard or when he rides his bicycle up a hill but not when he is walking, sitting, or
sleeping. He thinks the severity and pattern of chest pain have stayed pretty much the same since he first noticed it 6 months ago. Diagnosis
Stable Angina
Unstable Angina
HOCM
Hypertension
Major portion oof coronary blood flows during
Isovolumetric contraction
Isovolumetric relaxation
Plateau phase
Variable
