13,14,16 homework questions – Flashcards

________ describes the movement of fluid out of the capillary, while ________ describes the movement of fluid into the capillary.

The volume of blood ejected from the heart during one beat is known as ________.

An ECG detects the electrical activity occurring in a single cardiac muscle cell.

Where is the cardiovascular control center?

Closure of the atrioventricular valve occurs when ________.

A decrease in afterload will lead to which of the following?

Which of the following structures is POORLY innervated by the parasympathetic nervous system, therefore, an increase in parasympathetic activity has little effect on this structure?

Intrinsic changes in arteriole radius have no effect on arterial blood pressure.

What is the purpose of extrinsic control of arteriolar smooth muscle contractile activity?

With a systolic pressure of 135 mm Hg and a diastolic pressure of 75 mm Hg, mean arterial pressure would be ________.

Which of the following components of an ECG represents ventricular repolarization?

In the circulatory system, the largest pressure drop occurs across which blood vessels?

The pressure gradient (ΔP) driving blood flow through the systemic circuit is equated to the____________.

At rest, systole lasts longer than diastole.

Which chamber of the heart has the thickest musculature?

What region of the cardiovascular system contains valves?

The lumen of every blood vessel is lined by a monolayer of what cell type?

An increase in the volume of blood ejected from the heart, with no change in total peripheral resistance, would ________.

The end-diastolic volume minus the end-systolic volume is the ________.

What is the driving force for blood flow through the systemic circuit?

Which of the following equations correctly relates flow, pressure, and resistance?

Which of the following is NOT a component of the pulmonary circuit?

Blood pressure is usually estimated from indirect measurements of the pressure in what structure?

The preload is approximately the same as the ________.

Drugs that block angiotensin-converting enzyme would cause which of the following?

The respiratory pump facilitates the return of blood to the heart by ________.

Chemicals released by metabolically active cells will cause which of the following?

The small increase in ventricular pressure observed late in diastole is caused by ________.

The change in lung volume (ΔV) that results from a given change in transpulmonary pressure is known as which of the following?

What is the volume of air moved into and out of the lungs in a single breath during unforced breathing called?

The muscles of respiration are ________.

Which of the following occurs when intra-alveolar pressure exceeds atmospheric pressure?

What is the approximate average value of the vital capacity?