Anatomy

A man enters the hospital complaining of chest pain. His history includes smoking, a stressful job, ...

Started by imowrer

A 14-year-old girl undergoing a physical examination prior to being admitted to summer camp was ...

Started by stevenposner

List and define the three most important factors that affect stroke volume.

Started by jrubin

What is the functional importance of the intercalated discs of cardiac muscle? What is the ...

Started by jjjetplane

Explain the role of pacemaker cells in cardiac tissue.

Started by kellyjaisingh

The heart is called a "double pump" because there are two functionally separate circulations. Trace ...

Started by sdfghj

Define the terms end diastolic volume (EDV) and end systolic volume (ESV) and relate them to the ...

Started by segrsyd

Exercise results in skeletal muscles compressing veins which encourages blood to return to the ...

Started by @Brianna17

What is the expected heart rate when a heart is removed from a living body?

Started by xclash

During exercise, which of the following would occur on an electrocardiogram (ECG) compared to an ...

Started by DelorasTo

Given an end diastolic volume (EDV) of 120 ml / beat and an end systolic volume (ESV) of 50 ml / ...

Started by karlynnae

During contraction of heart muscle cells ________.

Started by magmichele12

Select the correct statement about cardiac output.

Started by craiczarry

If we were able to artificially alter the membrane permeability of pacemaker cells so that sodium ...

Started by clmills979

During the period of ventricular filling ________.

Started by ericka1

Select the correct statement about the structure of the heart wall.

Started by SGallaher96

Select the correct statement about the function of myocardial cells.

Started by corkyiscool3328

Select the correct statement about the heart valves.

Started by RYAN BANYAN

The atrioventricular (AV) valves are closed ________.

Started by lilldybug07

Which of the following receive(s) blood during ventricular systole?

Started by mia

If the vagal nerves to the heart were cut, the result would be that ________.

Started by deesands

If the length of the absolute refractory period in cardiac muscle cells was the same as it is for ...

Started by berenicecastro

If cardiac muscle is deprived of its normal blood supply, damage would primarily result from ________.

Started by jho37

Which of the following factors does not influence heart rate?

Started by Engineer

The source of blood carried to capillaries in the myocardium would be the ________.

Started by luminitza