Exam

Salvo research groups are working on vaccines that will be affective against the aids virus when is successful vaccine is produced it is likely to be injected to produce

Active artificial immunity

The cascade of events in the intrinsic pathway can be set into motion when ———comes into contact with collagen

Factor xll

Rupture of a red blood cell is called hematopoiesis

False

The affinity of adult hemoglobin for oxygen is greater than the affinity of feed her hemoglobin for oxygen

False

The bio concave structure of an erythrocyte is shaped to better accommodate the crystalline structure of hemoglobin

False

The number of a rip those sites in a millimeter sample of blood is the same as a number of leukocytes in a millimeter sample of word

False

Coumadin

Is a potent anticoagulant

Interferons

Is a protein that interferes with virus production an infection

Iron

Is needed to produce hemoglobin

Plasma

Liquid part of blood

Bean shaped lymphatic organs found a long lymphatic vessels are called

Lymph nodes

The globulin s. are important plasma proteins that functions primarily in

Immunity

Immuno deficiency diseases

Inadequate B & T cell formation may occur

Randolph is suffering from severe hepatitis his skin appeared to be jaundice the color change was due to

Increase bilirubin n in his circulatory system

The redness and heat seen in an inflamed area are the result of

Increase blood flow to the area

Which of the following phrases is less likely to be used in describing erythrocytes

Nucleus is centrally located

Mike has blood type a he needs blood however blood type a is not available the next best choice would be blood type

O

When large quantities of blood or lost erythrocytes must be replaced to restore

Oxygen carrying capacity

Which of the following is Miss matched

Pernicious anemia loss of blood from the body

The function of plasmin is to

hydrolyze fibrin.

Which of the following is not a secondary lymphatic Organ

thymus gland

The total blood volume is ———-plasma

55%

How much oxygen is generally transported in combination with hemoglobin and red blood cells

98.5%

What is tissue Thromboplastin

A compound released by damaged tissue that initiates the extrinsic clotting pathway

Red blood cells have anti-genic markers on their surfaces called

Agglutinogens

Which of the following is not a function of the lymphatic system

Aiding in erythropoiesis of red blood cells.

Once cytotoxic T cells are produced which of the following is consistent with their ability to attack intracellular viruses

All of the choices are correct

Lymph movement is assisted by

All of these choices are correct.

Hemolytic disease of the newborn occurs when

AnRH negative woman is carrying a RH positive fetus

In hemolytic disease of the newborn

Antibodies from the mother cross the placenta and affect the fetus

Palitine tonsils

Are located at the junction of the oral cavity and pharynx

Macrophages

Are responsible for most Phagocytic activity in the late stages of an infection

Cytotoxic T cells

Attached to the surface of cells causing them to lyse

Antibodies are produced by

B cells

When defective erythrocytes sites are broken down

Billy Rubin is form from the breakdown of hemoglobin

What ion is necessary for the coagulation process

Calcium

complement proteins

Can't form holes in the plasma membrane of target sells

What type of gene expression occurs when a person has type a blood

Codominance

In the cell mediated immune response T cells secrete which activate additional components of you immune system

Cytokines

The effects of a cell mediated immunity are the result of activities of

Cytotoxic T cells

Which of the following functions is associated with the blood

Delivery of oxygen to tissue cells

Lymph exit a lymph node via the

Efferent lymphatic vessels

Which of the following is not an aging affect of the lymphatic system and immunity

Fluid removal by the lymphatic capillaries is reduced

Which plasma proteins is correctly match to its function

Globin transport and immunity

Antibodies

Have a variable region that binds to a specific antigenic determinant

T sales are divided into two primary groups effector in regulatory which of the following are regulatory T cells

Helper T cells

The smallest leukocytes are the——— and the largest are the——

Lymphocytes. Monocytes

T helper cells s possesses a glycoprotein called CD4... this molecule binds to

MHC class II molecules

Bacteria and debris are actively removed from the lymph by———— in the sinuses of lymph nodes

Macrophages

Antibodies

May initiate inflammation and enhance phagocytosis

Lymphocytes

Migrate to lymphatic tissue

What gas is also carry by a betaglobin that may help regulate blood pressure

Nitric oxide

Which white blood cells function primarily as phagocytosis cells

Neutrophils and monocytes

For a person who is hematocrit is 45% in which show is below are the components of blood correctly write an order of decreasing percent volume

Plasma RBCs and WBCs

Which blood component is not correctly match with its function

Platelets - phagocytize bacteria

When a blood vessel is damaged which of the following events occurred last

Platelets begin to stick to each other and form a plug

tonsils

Provide protection against bacteria entering the oral and nasal cavities

Primary lymphatic Oregon's include the

Red bone marrow and thymus

All of the following describe Waze that blood helps maintain homeostasis except

Secretion of neuropeptides

Which of the following is not a consequence of sickle cell anemia

Sickle-shaped red blood cells are less likely to rupture.

Plasma is ——well formed elements are—-

The liquid portion of blood, the cells

Mr. Smith move from a low altitude to a high altitude and experiencing an increase in RBCs which of the following causes increase

The lower oxygen concentration seen at higher altitudes

Which of the following is true of adaptive immunity

The second response is faster and stronger than the first response.

Agglutination of red blood cells means

They clump together

Hemoglobin

Transport oxygen in the blood

The rate of erythropoiesis when erythropoietin is present is greater than the right of erythropoiesis when erythropoietin is absent

True

A person with type O blood should receive a blood transfusion from a donor with

Type O blood

What structural feature of lymphatic vessels is responsible to for movement of lymph

Valves

The nervous system and certain chemicals can cause the construction of a blood vessel this is known as

Vascular spasm

Erythropoiesis does not require

Vitamin K

What vitamin is necessary to produce many clotting factors in the liver

Vitamin K

What protein forms a bridge between exposed vessel wall collagen and platelets surface receptors

Von willbrand factor

B cells

When activated become plasma cells and produce antibodies

If you receive an immunization for hepatitis B and produce antibodies against the hepatitis B virus you have developed what type of adaptive immunity

active artificial immunity

Which of the following is not a form of hemoglobin found in the developing human

adolescent

MHC class molecules

allow the immune system to respond to antigens inside cells.

LYSOZYME is

an enzyme found in saliva and sweat and tears that destroys the cell walls of certain bacteria

Cells that process antigen and present antigens to other immune cells are called

antigen presenting cells

As a result of opsonization,

antigens are more susceptible to phagocytosis

Histamine and leukotrienes are released from

basophils and mast cells

Lymph nodes are surrounded by a dense connective tissue called

capsule

During the inflammatory response

chemical mediators are released

The movement of leukocytes to the source of certain chemicals is called

chemotaxis

When a person develops a sore throat white blood cells are drawn to the area of infection by a process called

chemotaxis

Fibrinolysis is responsible for

clot dissolution

Which of the following is a stage of hemostasis

coagulation

Which of the following events is one of the three main stages of coagulation

conversion of fibrinogen to fibrin

Frequently several different signals or molecules are needed in order to produce an immune response by a b cell. or T cell the second signal in this process is called

costimulation

When innate immunity is activated,

each exposure produces the same response.

In a patient experiencing an allergic reaction which of the following immune cells will greatly increase in number

eosinophils

Which of the following formed elements do not have chromosomes

erythrocytes and reticulocytes

Cell mediated immunity would be least effective against

extracellular antigens

The plasma component that forms fibrin the insoluble protein and a blood clot is

fibrinogen

Hemocytoblast stem cells

give rise to all formed elements in the blood.

Circulatory changes that occur In inflammation include

increased vascular permeability

Lymph nodules are

located in the loose connective tissue of the digestive system.

What is the function of thymosin

maturation of T cells

Which of the following is an agranulocyte

monocyte

Macrophages are derived from

monocytes

Neutrophils of the blood are derived from a population of stem cells called

myeloblasts

The process of eliminating those lymphocytes that react or respond against self antigens is called

negative selection

Which type of material is not transported by the blood

neurotransmitters

Transfusing a person with plasma proteins from a person or an animal that has been actively immunized against a specific antigen provides

passive immunity

The hematocrit is

percentage of RB s in a given volume of blood

Which of the following is not a mechanism of complement action

produces cytokines

The lymphatic system plays a role in maintaining fluid balance within the body by

returning interstitial fluid to the plasma

In systemic inflammation pyrogens

stimulate fever production

What may be affected if the enzyme carbonic anhydrase was not made in the body

the conversion of carbon dioxide to bicarbonate ion

When a person is transfused with the wrong blood type

the erythrocytes agglutinate.

The lymphatic system differs from the cardiovascular system in that

the lymphatic system only carries fluid away from tissues.

Different T-cell receptors can respond to different antigens because of different

variable regions in the structure of the receptors.

Which of the following is not a characteristic of adaptive immunity

you are born with it