The matrix of blood is called
Leukocytes & Platelets
In a centrifuged blood sample the buffy white layer between the formed elements and blood plasma are:
Which of the following formed elements is the most abundant
Which of the following is NOT a characteristic of blood.
Neutrophil, Eosinophil, & Basophil
Which of the following are granulocytes?
Lack nuclei and most organelles.
A nucleus and MOST organelles
White blood cells differ from red blood cells in only they contain:
Which type of granulocyte produces histamine in an inflammatory response.
Which type of leukocyte contains heparin, a anticoagulant.
The type of leukocytes that become macrophages in the tissue are
The most numerous white blood cells
Platelets are fragments of multi nucleated cells called
Hormone that regulates the rate of erythrocyte production.
Erythroproietin is a hormone produced by the kidneys in response to low levels of
Reticulocyte platelet plug formation,
An immature RBC which contains some endoplasmic reticulum is called.
Vascular spasm, platelet plug formation, coagulation
What is the proper sequence of hemostasis.
Red Bone Marrow
Where does hematopoiesis produce new red blood cells.
Which chemical is released to bring about vasocontriction during the vascular spasm phase of homeostasis
The formation of an insoluble clot during homeostasis is termed.
The organ largely responsible for the synthesis of clotting factors.
Which of the following insoluble fibers forms a mesh network and the basis for a formation of a clot.
The ion essential for blood clotting is
The series of reactions following a cut is called
Blood Type A
Which blood type contains A antigen only
The universal recipient blood type is
Blood Type O
Which blood type can type O recipients
Hemolysis will likely occur when
An Rh Negative receives the second transfusion of blood that is Rh positive.
Blood Type O
The most common blood type in the U.S. is
Blood Type O
Which blood type carries no antigen
Pulmonary circulation involves blood two and from the heart and the
The right AV valve is known as the
The pointed apex of the heart is oriented towards the
The layer of the heart wall synonymous with the visceral layer of the serious pericardium
Left ventricle, to left atrium
When the ventricles contract the bicuspid (mitral) valve prevents blood from flowing from:
Transport oxygenated blood to heart
Which structure divides the left and right atrium.
Superior & Inferior Vena Cava
De-oxygenated blood is returned to the right side of the heart by
Right Atrium & Right Ventricle
The tricuspid valve is located between
Aortic Semi-Lunar Valve
Which valve guards the base of the aorta and opens when the ventricles are contracting.
Aortic Semi-Lunar Valve
Which valve guards the base of the aorta and opens when the ventricles are contracting
The Sinoatrial node is located in the
Heart is relaxed
Which event is not associated with ventricular systole
Ventricle is in Systole
The Mitrol valve is normally closed
SA Node, AV Node, AV Bundle, Left & Right Bundle branches, Perkenjie Fibers
Which of the following represents the correct path for the transmission of an impulse in the intrinsic conduction system of the heart
Often have valves to prevent the back flow of blood.
The volume of blood pumped out by each ventricle with each ventricle of the heart is.
arteries, arerioles, capillary beds, venules, veins
The path of blood flow with the systemic vascular system is
A person with a heart rate of 75 bpm and a stroke volume of of 60ml per beat has a cardiac output of
tunica externa, tunica media, tunica intimia
Which one is the correct sequence of going from the outermost to the intermost layer of a blood vessel wall.
Which hormone promotes sodium ion reabsorbs ion by the kidney in order to increase blood pressure and blood volume
The friction blood encounters as it flows the the vessels is called.
Decrease in stroke volume and cardiac output.
Caused by a decrease in venous return to the heart.
Erythrocytes in Blood
Hematocrit is the percentage of?
Pump blood with greater pressure
The left ventricular wall of the heart is thicker than the right wall in order to?
Ventricles in Diastole
What does not occur when the semi-lunar valves are open
The P wave of a normal electrocardiogram indicates
The blood within the pulmonary veins return to the
Which vessel of the heart receives blood during right atrium systole
Small muscle mass attached to the chordae tendanae are the?
What is not part of the conduction system of the heart
2nd intercostal space to the right of the sternum
To auscultate the aortic semilunar valve would you place your stethoscope
Pumps blood against a greater resistance
The fact that the left ventricle of the heart is thicker than the right ventricle reveals that it
Ventricle is in systole
The tricuspid valve is closed
The AV valves are supported by the cordinae tendeneae so that regurgitation of into the atria during ventricular contraction does not occur.
Select the correct statement about the heart valves.
During the period of ventricular filling
blood flows passively through the atria and the open AV valves into the ventricles.
The second heart sound is heard during which phase of the cardiac cycle.
Refers to the short period during ventricular systole when the ventricles are completely closed chambers.
Closure of the Heart Valves
Normal heart sounds are caused by which following events.