anatomy exam one

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when hormones interact with target cells 3 things happen

1. maintain fluid, electrolyte, and acid-base homeostasis. 2. promote growth. 3. regulate metabolic reactions.

decreased colloid osmotic pressure

A patient is suffering from liver failure and their liver is not producing enough plasma proteins. This will result in __________.

tachycardia

A very quick heart rate is called

Bradycardia

A very slow heart rate is called

left atrium

Blood returning from the lungs enters the

100 mm Hg

Calculate the mean arterial pressure (MAP) if the systolic pressure is 120 mm Hg and the diastolic pressure is 90 mm Hg.

80 milliliters

Calculate the stroke volume (SV) of a patient whose EDV is 140 milliliters and whose ESV is 60 milliliters.

thicker tunica media

Compared to veins, arteries have __________.

increased local perfusion

Dilating arterioles in a specific tissue will cause __________.

decreased; decreased

Hemorrhage would lead to a __________ preload and therefore __________ cardiac output

it will not change

How will the cardiac output change if you double the heart rate but reduce the stroke volume by one-half?

vasoconstriction and increased cardiac output

If the chemoreceptors detect a decrease in blood oxygen concentration, they will trigger __________.

15 mm Hg

Part complete Calculate the Net Filtration Pressure if the Hydrostatic pressure is 40 mm Hg and the Colloid osmotic pressure is 25 mm Hg.

right

The ---- side of the heart pumps deoxygenated blood into the pulmonary arteries

Ventricular repolarization

The T wave of an ECG corresponds to

Inferior

The apex of the heart is

vasodilation and decreased cardiac output

The baroreceptor reflex response to high blood pressure is __________.

left ventricle

The cardiac chamber with the thickest wall is the

pacemaker cells

The cells that rhythmically and spontaneously generate action potentials in the heart are called

sinusoidal capillaries

The leakiest capillaries, which allow large substances and cells to cross the capillary wall, are called ________________.

SA node

The main pacemaker of the heart is the

systemic circuit

The vessels that deliver oxygen to the tissues of the body are part of the

epicardium

The visceral pericardium is also known as the

isovolumetric contraction

Ventricular systole begins during the __________ phase of the cardiac cycle.

an artery empties directly into a vein without passing through a capillary bed

Which of the following describes an anastomosis?

low compliance

Which of the following does NOT drive venous return?

atria contraction

Which of the following happens immediately after the P wave?

feed arteries

Which of the following vessels dilates to cause hyperemia in skeletal muscle?

increased blood volume

Which of these changes will result in increased blood pressure?

epi

above, upon and over

electrocardiogram

an ----is a graphic recording of a person 19s heartbeat.

electrocardiograph

an ----is an instrument used to record a person 19s heartbeat.

inter

between

target cells

cells that have receptors for a particular hormone

endocrines

circulating hormones; hormones that diffuse into the blood and act on distant target cells.

cardi

heart

endocarditis

is an infection of the inside lining of the heart.

paracrines

local hormones; chemical messengers that act on nearby cells

autocrines

local hormones; chemical messengers that act on the same cell that secreted them.

myo

muscle

Hormones

organs of this complex system work by synthesizing and secreting chemical messengers

tachy

quick

gram

recording

brady

slow

mycardium

the ----- is mostly made up of cardiac muscle tissue.

endocartitis

the ----- is the outer layer of the heart wall.

inter ventricular

the ----- septum is located between the ventricles.

graph

to record


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