Pulse Flashcards
0
Q
Heart muscle fibres contain …
A
Myoglobin and many mitochondria
1
Q
Heart muscle is known as …
A
Myocardium and functional syncytium
2
Q
Sympathetic stimulation of the SA node …
A
Increases contractility and increases heart rate
3
Q
The cardiac control centres are located where?
A
Medulla oblongate
4
Q
The electrical conduction system of the heart starts at the …
A
Sino-atrial node
5
Q
The electrocardiogram (ECG) trace is denoted as …
A
PQRST
6
Q
The heart is innovated by …
A
Parasympathetic and sympathetic motor neurones
7
Q
The pulse amplitude depends on …
A
Strength of ventricular contraction
8
Q
The pulse can be detected where what comes close to the body surface?
A
Artery
9
Q
What enhances the effect of the sympathetic nervous system on the heart?
A
Adrenaline and noradrenaline
