A&P HW#6

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with large numbers of erythrocytes dying and being replaced every day what happens to the heme released from the erythrocytes

heme is catabolized into two pigments , biliverdin and billirubin

Define hemostasis

hemostasis is the process of stopping bleeding

Plasma is closest in ionic composition to .CSF .sterile water .isotonic saline solution .urine .interstitial fluid

interstitial fluid

which of the following is not a component of plasma .electrolytes .water .fibrinogen .albumin .platelets

platelets

which of the following statements concerning red blood cells is false .red cells are specialized for carrying oxygen .red cells are biconcave .red cells are about 18 mm in diameter .red cells lack mitochondria .red cells can form stacks called rouleaux

red cells are 18 mm in diameter

how would removal of calcium ions from a blood sample affect coagulation

the coagulation pathway would be lacking a required cofactor at many steps and coagulation would be prevented

jaundice is a symptom where the patient exhibits yellow discoloration of the skin and eyes.what causes jaundice

the liver is unable to process bilirubin so its level in the blood rises

because of their short lifespan a huge number of erythrocytes are recycled by macrophages.which of the following is Not a function of the macrophages

the macrophage synthesizes a small amount of hemoglobin and transports it to the bone marrow

People with AB blood are considered the "universal recipient" for transfusion because

their blood lacks A and B antibodies

Hemolytic disease of a new born may result if

an Rh negative mother carries an Rh positive fetus

A person with type A blood has .anti B antibodies in the plasma .anti B antibodies in the plasma and anti A antibodies on the red blood cells .antigen A on the RBC's and anti B antibodies in the plasma . anti A antibodies on the red blood cells .antigen A on the RBC's

antigen A on the RBC's and anti B antibodies in the plasma

erythropoiesis is stimulates when

both oxygen levels in the blood decreases and blood flow to the kidney declines

Compare the types of cells that lymphoid stem cells and myeloid stem cells produce (Module 17.3C)

.Lymphoid stem cells give rise to lymphocytes.Myeloid stem cells give rise to all the formed elements except lymphocytes

white blood cells that are increased in individuals with allergic reactions are the .monocytes .lymphocytes .neutrophils .basophils .eosinophils

.eosinophils

which of the following is not a phagocytic cell .eosinophil .monocytes .basophil .neutrophil

Basophil

The normal ph of blood is .extremely acidic .neutral . extremely alkaline .Slightly alkaline .slightly acidic

Slightly alkaline

The level of erythropoietin in the blood would rise due to all of the following except .during anemia .at high altitude .as a consequence of hemorrhage .during periods of fasting .when blood flow to the kidneys is disrupted

During periods of fasting

Which of the following in Not a function of the blood .Transport nutrients .regulate the Ph and ion concentration .restrict fluid losses as injury sites . generate body temperature

Generate body temperature

The percent fraction of formed elements relative to whole blood is the .Viscosity .Differential cell count .Packed volume .Specific gravity .Hematocrit

Hematocrit

how does a treatment with anti Rh antibodies (RhoGAM) prevents hemolytic disease of the newborn(HDN)

It destroys fetal RBC's that enter the maternal circulation

which organ secretes most of the plasma proteins .heart .pancreas .brain .liver .kidney

Liver

Choose the correct statement regarding hemolytic disease of the newborn(HDN)

Unlike anti A and Anti B antibodies anti Rh antibodies are able to cross the placenta and enter the fetal bloodstream

Eileen is a strict vegan and therefore eats no animal products. She develops an anemia that her doctor thinks is caused by a nutritional deficiency. Which of the following is the likeliest candidate? .Lack of intrinsic factor .Vitamin K deficiency .Vitamine B12 deficiency .Vitamine B6 deficiency .Iron deficiency

Vitamin B12 deficiency

The disease sick cell anemia is an example of what can happen if .red blood cells bind too much oxygen .hemolysis is prevented by a bad gene .there is insufficient heme in the hemoglobin .a gene for adult hemoglobin is abnormal . the diet is deficient in iron

a gene for adult hemoglobin is abnormal

why can't a person with type A blood safely receive blood from a person with type B blood

a person with type A blood will have anti B antibodies that will agglutinate with type B blood

Bill wants to determine his blood type, so he takes a few drops of blood from a puncture wound in his finger and mixes it with various antisera. His blood cells agglutinate when mixed with the anti-A sera but not with the anti-B or anti-D sera. which of the following is true .bill is Rh negative .bill could receive type A negative blood in transfusion .bills plasma contains Rh antibodies .bills plasma contains B antibodies .bill could donate blood to an individual with type AB blood

bills plasma contains Rh antibodies

Platelets are .large cell with a prominent, concave nucleus .red cells that lack a nucleus .Blue cells that have a nucleus .tiny cells with a polynucleus . cytoplasmic fragments of large cells

cytoplasmic fragments large cells

Each hemoglobin molecule contains

four iron ins

aged and damaged erythrocytes are broken down by macrophages in all of the following places except the .bone marrow .kidney .spleen .liver .none of the answers is correct

kidney

A cancer involving neutrophils,eosinophils, or basophils is called a .pernicious anemia .myeloid leukemia .jaundice .lymphoid leukemia .hemophilia

myeloid leukemia

during a bacterial infection you would expect to see increased numbers of .neutrophils .basophils .thrombocytes .eosinophils .reticulocytes

neutrophils


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