Anatomy and Physiology 1 CH 19

All the circulating red blood cells in an adult originate in the A) heart. B) lymph tissue. C) red bone marrow. D) spleen. E) thymus.

Red bone marrow

Which of these is not one of the formed elements of blood? A) antibodies B) basophils C) RBCs D) lymphocytes E) platelets

antibodies

Which of these descriptions best matches the term T lymphocytes? A) adhere to collagen beneath endothelium B) kill bacteria using hydrogen peroxide C) produce antibodies in response to antigens D) are involved in cell mediated immunity E) often elevated in allergic individuals

are involved in cells mediated immunity

Red blood cell production is regulated by the hormone A) angiotensin. B) thymosin. C) M-CSF. D) renin. E) erythropoietin.

erythropoietin

A plasma protein essential for blood coagulation is A) fibrinogen. B) albumin alpha. C) lipoprotein C. D) metalloprotein D. E) immunoglobulin A.

fibrinogen

A hematocrit provides information on A) clotting factors. B) plasma composition. C) blood type. D) formed elements abundance. E) sedimentation rate.

formed elements abundance

Each hemoglobin molecule contains A) four alpha chains. B) one alpha and one beta chain. C) one heme group. D) four iron atoms. E) a molecule of oxygen and a molecule of carbon dioxide.

four iron atoms

The disease sickle cell anemia is an example of what can happen if A) hemolysis is prevented by a mutated gene. B) the diet is deficient in iron. C) red blood cells bind too much oxygen. D) a gene for adult hemoglobin is abnormal. E) there is insufficient heme in the hemoglobin.

gene for adult hemoglobin is abnormal

The percent fraction of formed elements relative to whole blood is the A) viscosity. B) hematocrit. C) differential cell count. D) packed volume. E) specific gravity.

hematocrit

Some rat poisons contain a toxin that blocks the liver's ability to utilize vitamin K. Animals that consume this poison would die of A) starvation. B) anemia. C) thrombocytopenia. D) acidosis. E) hemorrhage.

hemorrhage

Thyroid-binding globulin is an example of which kind of plasma protein? A) metalloprotein B) steroid-binding C) transport albumin D) apolipoprotein E) hormone-binding

hormone-binding

Plasma proteins essential in body defense are the A) metalloproteins. B) lipoproteins. C) fibrinogens. D) albumins. E) immunoglobulins.

immunoglobulins

Plasma is closest in composition to A) isotonic saline solution. B) urine. C) CSF. D) interstitial fluid. E) sterile water.

interstitial fluid

Each heme ring in hemoglobin encloses an atom of A) iron. B) copper. C) calcium. D) magnesium. E) sodium.

iron

Which organ secretes most of the plasma proteins? A) brain B) pancreas C) kidney D) liver E) heart

liver

If bile ducts are blocked, A) more white blood cells are produced. B) more bilirubin appears in the plasma. C) bilirubin appears in the saliva. D) more hemolysis takes place. E) more red blood cells are produced.

more bilirubin appears in plasma

Which of the following combinations may result in the hemolytic disease of the newborn: A) mother Rh negative, baby Rh positive B) mother Rh positive, baby Rh negative C) mother type A+, baby type O+ D) mother Rh negative, baby Rh negative E) None of the answers are correct.

mother Rh negative, baby Rh positive

The most numerous white blood cells in peripheral circulation are the A) monocytes. B) basophils. C) lymphocytes. D) neutrophils. E) eosinophils.

nuetrophils

Which of these descriptions best matches the term B lymphocytes? A) helper cells are one type B) adhere to collagen beneath endothelium C) produce antibodies in response to antigens D) kill bacteria using hydrogen peroxide E) often elevated in allergic individuals

produce antibodies in response to antigens

In adults, erythropoiesis exclusively takes place in A) lymphoid tissue. B) the liver. C) yellow bone marrow. D) the spleen. E) red bone marrow

red bone marrow

Aged and damaged erythrocytes are broken down by macrophages in the A) digestive tract. B) liver. C) bone marrow. D) spleen. E) spleen, liver, and bone marrow.

spleen, liver, and bone marrow

People with type AB blood are considered the "universal recipient" for transfusions because A) they usually have very strong immune systems. B) they are usually Rh negative. C) their blood lacks A or B agglutinins. D) their blood is plentiful in A and B agglutinins. E) their blood cells lack A and B antigens.

their blood is plentiful in A and B agglutinins

Areas in a vessel wall where large quantities of lipid accumulate are called A) thrombi. B) clots. C) emboli. D) occlusions. E) plaques.

thrombi

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? A) lack of intrinsic factor B) vitamin B12 deficiency C) vitamin B6 deficiency D) iron deficiency E) vitamin K deficiency

vitamin B12 deficiency

The most abundant component of plasma is A) water. B) gases. C) nutrients. D) ions. E) proteins.

water

The combination of plasma and formed elements is called A) lymph. B) packed blood. C) serum. D) extracellular fluid. E) whole blood.

whole blood

In adults, red bone marrow is located in the A) iliac crest. B) sternum and ribs. C) body of vertebrae. D) proximal epiphyses of long bones. E) All of the answers are correct.

All

The yellow color that is visible in the eyes and skin in jaundice results from A) excessive amounts of bilirubin in the plasma. B) extensive breakdown of RBCs. C) the recycling of hemoglobin. D) destruction of hemoglobin. E) All of the answers are correct.

All

What are common sources of vitamin K? A) whole grains B) organ meats C) intestinal bacteria D) green vegetables E) All of answers are correct.

All

When a person who lives at sea level vacations in the Rocky Mountains, you would expect A) the release of erythropoietin. B) an increase in red blood cell production. C) a drop in oxygen levels. D) a rise in hematocrit. E) All of the answers are correct.

All

Which of the following is a function of the blood? A) transport of gases B) transport of nutrients and wastes C) transport of body heat D) defense against toxins and pathogens E) All of the answers are correct.

All

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. This means A) Bill is Rh positive. B) Bill's red blood cells contain the O surface antigen. C) Bill could donate blood to an individual with type O blood. D) Bill's plasma contains B antibodies. E) Bill could receive type B-negative blood in a transfusion.

bills plasma contains B antibodies

The function of hemoglobin is to A) produce antibodies. B) stimulate erythropoiesis. C) carry dissolved blood gases. D) aid in the process of blood clotting. E) carry bicarbonate ion.

carry dissolved blood gases

_______ involves a cascade of reactions leading to the conversion of fibrinogen to fibrin. A) The platelet phase B) Fibrinolysis C) Vascular spasm D) Retraction E) Coagulation

coagulation

The process of fibrinolysis A) dissolves clots. B) forms thrombi. C) activates fibrinogen. D) draws torn edges of damaged tissue closer together. E) forms emboli.

dissolves clots

The level of erythropoietin in the blood would rise due to all of the following, except A) during anemia. B) as a consequence of hemorrhage. C) during periods of fasting. D) when blood flow to the kidneys is disrupted. E) at high altitudes.

during periods of fasting

A moving blood clot is called a(n) A) thrombus. B) procoagulant. C) platelet plug. D) plaque. E) embolus.

embolus

White blood cells that are increased in allergic individuals are the A) eosinophils. B) neutrophils. C) monocytes. D) basophils. E) lymphocytes.

eosinphils