Biology

The ________ is the volume of blood in a ventricle at the beginning of systole. A) ejection fraction ...

Started by altibaby

The amount of blood remaining in the ventricle when the semilunar valve closes is the A) ejection ...

Started by mrsjacobs44

The heart spends most of the cardiac cycle in which phase? A) atrial systole B) atrial diastole C) ...

Started by cartlidgeashley

During the beginning of ventricular systole when the muscle is contracting but not enough pressure ...

Started by wenmo

When heart rate increases, the time spent in A) systole increases. B) diastole increases. C) all ...

Started by nmorano1

In an adult at rest, the end-diastolic volume is typically A) 50 mL. B) 80 mL. C) 130 mL. D) 320 ...

Started by piesebel

Which of the following is occurring during ventricular diastole? A) The ventricles are passively ...

Started by luminitza

An increase in the rate of action potentials from baroreceptors will trigger a reflex to A) increase ...

Started by segrsyd

The volume of blood ejected from each ventricle during a contraction is called the A) end-diastolic ...

Started by mpobi80

Each of the following factors will increase cardiac output except increased A) venous return. B) ...

Started by luminitza

Which of the following would not increase heart rate? A) increased sympathetic stimulation of SA ...

Started by j.rubin

Stroke volume depends on all of the following factors except A) end diastolic volume. B) the ...

Started by nramada

Cardiac output can be increased by all of the following except A) decreasing ejection fraction. B) ...

Started by bio_gurl

Heart rate is controlled by neurons of the cardiovascular center located in the A) pons. B) ...

Started by 2125004343

Which of the following would cause stroke volume to increase? A) when venous return is decreased ...

Started by SAVANNAHHOOPER23

Cardiac output is increased by A) sympathetic stimulation. B) increased end systolic volume. C) ...

Started by nramada

Activation of which kind of receptor causes heart rate to increase? A) alpha-one B) beta-one C) ...

Started by mpobi80

Drugs that block the beta-one adrenergic receptors will A) increase heart rate. B) decrease heart ...

Started by cmoore54

If the force of ventricular contraction increases, what will happen to the end-systolic volume? A) ...

Started by rayancarla1

End-systolic volume is defined as the A) amount of blood a ventricle ejects per cycle. B) amount ...

Started by K@

A patient has an end-diastolic volume of 125 ml. A heart attack has weakened her left ventricle so ...

Started by Anajune7

Calculate cardiac output if the heart rate is 125 beats/minute, the end-diastolic volume is 130 ml, ...

Started by xclash

Calculate the cardiac output of a patient with a heart rate of 100 beats/minute and a stroke volume ...

Started by lunatika

________ is when the heart can't maintain adequate cardiac output. A) Heart failure B) ...

Started by Melani1276

The ________ is the difference between the resting and maximal cardiac output. A) end-systolic ...

Started by Lisaclaire