Cardiac

The relation with ECG, during third heart sound,

• coincides with R wave

• coincides or after submit of T waves

• between T & P wave

• between P and Q wave

Aortic pressure at its peak during

• arterial systole

• isovolumetric contraction

• ventricular ejection

• isovolumetric relaxation

One small square on ECG tracing paper _______

• is 1 mm by 1 mm

• represents 0.04 seconds

• represent 0.1mV

Name the lead

• aVF

• aVR

• aVL

• aVS

Represents the early part of ventricular repolarisation

• QT interval

• PR interval

• ST segment

This wave indicates repolarisation of ventricles

• T waves

• U waves

• P waves

• Q waves

What is the name of the heart muscle

• rib cage

• cardiac muscle

• lung musle

• atrium muscle

A thin flap of tissue that acts like a one-way door

• atria

• ventricles

• valve

• septum

What is the main organ of the circulatory system?

• small intestine

• bone

• lungs

• heart

The job of the heart is to . . .

• pump blood around the body.

• send food to the small intestines.

• break down food.

• give energy to the body.

Tags

NGSS.HS-LS1-3