A&P II Mastering 17-19

अब Quizwiz के साथ अपने होमवर्क और परीक्षाओं को एस करें!

Type A blood contains __________.

A antigens and anti-B antibodies

The plateau phase of the cardiac action potential is due to __________.

Ca2+ influx

Colloid osmotic pressure (COP) is an osmotic pressure gradient equal to __________.

Capillary OP - interstitial OP

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

It will not change.

The main pacemaker of the heart is the __________.

SA node

Which of the following statements about capillaries is INCORRECT?

The velocity of blood flow increases as blood flows into capillaries.

Which of the following is NOT one of the characteristics of platelets?

They are incapable of oxidative catabolism.

According to the Frank-Starling law, a bigger preload will result in __________.

a stronger contraction

Which of the following is a plasma protein?

albumin

Which of the following describes an anastomosis?

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

White blood cells that have an S-shaped nucleus and large dark-staining granules are the __________.

basophils

An example of a waste product from the breakdown of hemoglobin is__________.

biliverdin

The outward force that the blood exerts on the walls of the blood vessels is called __________.

blood pressure

Which of the following is NOT a characteristic of erythrocytes?

capable of protein synthesis

The pulse that can be palpated on the side of the neck is the __________.

carotid pulse

The cusps of the atrioventricular valves attach to the papillary muscles via the __________.

chordae tendineae

The process that converts fibrinogen to fibrin and results in the formation of a more solid clot is called __________.

coagulation

The majority of the arterial supply to the head and neck comes from the __________.

common carotid arteries

Which of the following is NOT an effect of the hormone Angiotensin II?

decreased cardiac output

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

decreased colloid osmotic pressure

Which of the following donors will be suitable for a recipient with type A+ blood?

donor with O- blood

The maximum amount of blood in the ventricles at the end of the ventricular filling phase is called __________.

end-diastolic volume

If a patient has a parasitic infection, you would expect an elevated __________ count.

eosinophil

The visceral pericardium is also known as the __________.

epicardium

The superficial vein in the medial leg and thigh is called __________.

great saphenous vein

The percentage of blood composed of erythrocytes is called __________.

hematocrit

The heart is located _________.

in the mediastinum

Which of these changes will result in increased blood pressure?

increased blood volume

Dilating arterioles in a specific tissue will cause __________.

increased local perfusion

The apex of the heart is __________.

inferior

Unlike skeletal muscle action potentials, cardiac muscle action potentials __________.

involve calcium voltage-gated channels

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

isovolumetric contraction

Blood returning from the lungs enters the __________.

left atrium

Which of the following does NOT drive venous return?

low compliance

Platelets form from large cells called __________.

megakaryocytes

During leukopoiesis, neutrophils are derived from __________.

myeloblasts

Water can move across capillary walls by __________.

osmosis

The force that pulls water into capillaries is called the __________.

osmotic pressure

Which of the following is NOT one of the formed elements in blood?

plasma

The AV valves close when __________.

pressure in the ventricles increases

Blood that leaves the right ventricle enters the __________.

pulmonary trunk

Which of the following is a cause of hypertension?

renal artery stenosis

The vessels that drain blood away from the kidneys are the __________.

renal veins

The left and right brachiocephalic veins merge to form the __________.

superior vena cava

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

systemic circuit

Compared to veins, arteries have __________.

thicker tunica media

The process by which a blood clot dissolves is called __________.

thrombolysis

Which of the following is NOT one of the functions of blood?

to protect vital organs

Which of the following blood types is considered the universal donor?

type O-

The first step of hemostasis is __________.

vascular spasm

The baroreceptor reflex response to high blood pressure is __________.

vasodilation and decreased cardiac output

Which of the following vessels will have the lowest blood pressure?

vein

Blood from the systemic circuit returns to the heart via the __________.

vena cavae

The chambers that have just emptied when the second heart sound is heard are the __________.

ventricles

The T wave of an ECG corresponds to __________.

ventricular repolarization


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