A.1.3 Transport SEHS

Front

What is stroke volume?

Back

The amount of blood pumped per beat

Front

What is the function of the carotid baroreceptors?

Back

To detect changes in blood pressure

Front

What do chemoreceptors detect?

Back

Increases in CO2, decreases in O2, and changes in pH

Front

What happens when there is a drop in blood pressure? Options: The heart rate decreases. The heart rate remains constant. The heart rate increases. The blood vessels constrict.

Back

The heart rate increases.

Front

How does the body respond to sudden increases in blood pressure?

Back

By triggering impulses via the vagus nerve to slow heart rate.

Front

Where are the baroreceptors located in the cardiovascular system?

Back

In the aorta and carotid arteries

Front

What is the role of the medulla oblongata?

Back

It controls basic life functions such as breathing and heart rate.

Front

Which does not describe cardiac output? Options: It is determined by body size and aerobic fitness, The amount of blood pumped by the heart each minute, It is the amount of blood pumped out of the heart each beat, It is the product of heart rate and stroke volume

Back

It is the amount of blood pumped out of the heart each beat

Front

What is stroke volume?

Back

the volume of blood pumped out of the heart in each beat

Front

What conduction system fires an impulse in order for the atria to contract?

Back

SA node