Cardiovascular System 3

Front

What is cardiac output calculated by? Options: Heart rate multiplied by stroke volume, Blood pressure divided by heart rate, Stroke volume minus heart rate, Total lung capacity divided by heart rate

Back

Heart rate multiplied by stroke volume

Front

Which structure initiates the heartbeat? Options: Bundle of His, Purkinje fibers, SA node, AV node

Back

SA node

Front

The dorsalis pedis pulse is located in which area? Options: Behind the knee, Top of the foot, Inside of the wrist, Upper thigh

Back

Top of the foot

Front

What does the P wave represent on an ECG?

Back

Atrial depolarization

Front

Which volume of air remains in the lungs after maximal expiration? Options: Tidal volume, Vital capacity, Residual volume, Inspiratory reserve volume

Back

Residual volume

Front

The conducting zone of the respiratory system includes: Trachea and bronchi, Respiratory bronchioles, Terminal alveoli

Back

Trachea and bronchi

Front

What is measured by pulse oximetry?

Back

Oxygen saturation in blood

Front

Which structure connects the oral cavity to the trachea?

Back

Pharynx

Front

A normal PR interval on an ECG ranges from:

Back

0.12-0.20 seconds

Front

The ankle-brachial index is used to diagnose:

Back

Peripheral artery disease