NU606 2020 May Week 5 Quiz Latest (100% Graded)

Question # 00805650 Posted By: rey_writer Updated on: 05/12/2021 01:03 PM Due on: 05/12/2021
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Week 5 Quiz

Question 1A bacterial endospore can

 a.also be classified as an acid-fast bacterium

 b.exist in latent form inside a host cell

 c.reproduce very rapidly

 d.survive high temperatures and a dry environment

Question 2A rare illness that involves the overgrowth of lymphoid tissue, although not itself considered a cancer is

 a.Castleman disease

 b.hyperlymphatic disease

c.hypolymphatic disease

 d.Ann Arbor disease

Question 3A strict anaerobe requires which specific environment?

 a.A dry environment

b.An acidic medium

 c.Air at a temperature less than 61°F/16°C

 d.The absence of oxygen

Question 4All of the following are correct statements regarding wound healing except

 a.Resolution occurs where there is minimal tissue damage and the cells can recover

 b.Granulation tissue forms a permanent replacement for damaged tissue

 c.Regeneration occurs where the cells are capable of mitosis

 d.Scar tissue forms where the surrounding cells are incapable of mitosis

Question 5An autoimmune disease is

 a.excessive formation of antibodies following exposure to foreign material extreme response to normally harmless material in the environment abnormal response to ingested food and drugs

 d.failure of the immune system to distinguish self from nonself

Question 6Bacteria that form an irregular cluster of spheres are called





Question 7Distinguishing clinical features of systemic lupus erythematosus include

 a.inflammation in multiple organs

b.lack of a specific diagnostic blood test

 c.acute onset and nonprogressive course

 d.Finding a chronic allergic condition

Question 8Drugs that have antiinflammatory, analgesic, and antipyretic activities include

1.            COX-2 inhibitors (NSAIDs).

2.            glucocorticoids (e.g., prednisone).

3.            ibuprofen (NSAID).

4.            acetaminophen.

5.            aspirin (ASA).

 a.1, 2

 b.2, 4

 c.1, 3, 5

d.1, 4, 5

Question 9Following a positive HIV antibodies blood test and ELISA test, what is the test commonly used for confirmation?


 b.Double immunodiffusion test

 c.Western blot test

d.Sedimentation rate test

Question 10Host-versus-graft disease refers to

 a.hyperacute rejection of tissue

 b.T cells in grafted tissue attacking host cells

 c.infection resulting from immunosuppression therapy

 d.transplant rejection by the recipient’s immune system

Question 11In cases of polycythemia vera, blood pressure is elevated as a result of

 a.increased blood volume

 b.frequent infarcts in the coronary circulation

 c.congested spleen and bone marrow

d.increased renin and aldosterone secretions

Question 12In normal capillary exchange, what is net hydrostatic pressure based on?

 a.The difference between the hydrostatic pressures within the capillary, as compared with the hydrostatic pressure of the interstitial fluid

b.The relative osmotic pressures in the blood and the interstitial fluid

 c.The difference between the hydrostatic pressure and osmotic pressure within the capillary

 d.The difference between the concentrations of blood cells, plasma proteins, and dissolved substances in the blood and the interstitial fluid

Question 13Incompatible blood transfusions result in

 a.hemolysis of erythrocytes

 b.a type I immune response

c.deposits in multiple organs

 d.immune deficiency

The correct answer is: hemolysis of erythrocytes

Question 14Inflamed tissue is likely to become infected because

 a.the immune system is not effective in inflamed tissue

 b.the increased fluid and protein in the inflamed area supports microbial growth

c.phagocytes cannot penetrate the inflamed areas

 d.capillaries are less permeable in the affected area

Question 15Jaundice is one typical sign of

 a.sickle cell anemia

 b.aplastic anemia

 c.iron deficiency anemia

 d.acute leukemia

Question 16Microcytic and hypochromic erythrocytes are commonly found as a result of

 a.iron deficiency anemia


 c.disseminated intravascular coagulation

 d.hemophilia A

Question 17Opportunistic infection may develop when

 a.pathogens enter the body but cannot colonize the site of entry imbalance occurs in the normal resident flora resistance increases, and the balance of resident flora is restored

 d.contaminated food or water is unknowingly ingested

Question 18Petechiae and purpura are common signs of

 a.excessive hemolysis


 c.increased bleeding

 d.hemoglobin deficit

Question 19Predisposing factors to leukemia commonly include

 a.exposure to radiation

b.certain fungal and protozoal infections

 c.familial tendency

 d.cigarette smoking

Question 20Prostaglandins are produced from ___________ and cause ___________

 a.activated plasma protein; increased capillary permeability

b.mast cells; vasodilation and pain

 c.platelets; attraction of neutrophils, chemotaxis

 d.mast cell granules; activation of histamines and kinins

Question 21Replacement of damaged tissue by similar functional cells is termed



c.resolution by scar tissue

Question 22Serious infections frequently occurring inpatients with AIDS include

1.            tuberculosis.

2.            Pneumocystis carinii pneumonia.

3.            influenza.

4.            tetanus.

 a.1, 2

 b.1, 4

 c.2, 3

d.3, 4

Question 23Systemic manifestations of an inflammatory response include

 a.edema and erythema

 b.area of necrosis and loss of function

 c.pain and tenderness

 d.fever and malaise

Question 24The atypical cell that serves as a marker for diagnosing Hodgkin lymphoma is the


 b.Ann Arbor cell

 c.Hodgkin lymphocyte

d.Reed-Sternberg cell

Question 25The inflammatory response is a nonspecific response to

 a.phagocytosis of foreign material

 b.local vasodilation

 c.any tissue injury

d.formation of purulent exudates

Question 26The principle of Universal Precautions is based on

 a.using disinfectants at all times to eliminate cross-infections

 b.not touching any open or bleeding lesions

 c.sterilizing all instruments and equipment after each use

 d.assuming that all body fluids from all individuals are possible sources of infection

Question 27The staging system typically used in determining the stage of the Hodgkin lymphoma is the

 a.Reed-Sternberg system

 b.sequential staging system

c.Ann Arbor system

 d.differential landmark system

Question 28The warmth and redness related to the inflammatory response result from

 a.increased interstitial fluid

 b.production of complement

 c.a large number of white blood cells (WBCs) entering the area

 d.increased blood flow into the area

Question 29Tissue transferred between two genetically identical twins is referred to as a/an





Question 30Von Willebrand disease is caused by

 a.defective erythrocytes that become deformed in shape, causing occlusions

 b.excessive lymphocytes that do not mature

 c.absence of a clotting factor that helps platelets clump and stick

d.a lack of hemoglobin due to iron deficiency

Question 31What are the two circulations that comprise the overall circulatory system?

 a.Pulmonary and systemic circulations

 b.Peripheral and central circulations

 c.Cardiovascular and lymphatic circulations

d.Cardiopulmonary and peripheral circulations

Question 32What does leukocytosis frequently indicate?


 b.Bone marrow damage

 c.Presence of bacterial infection

d.An allergic or autoimmune reaction

Question 33What is the basic abnormality in thalassemia?

 a.Several amino acids in the globin chains have been replaced by substitute amino acids

b.More than four globin chains are found in the erythrocytes

 c.The iron molecule is displaced in hemoglobin

 d.There is failure to synthesize either the alpha or beta chains in the hemoglobin molecule

Question 34What term is used to describe a deficit of all types of blood cells?





Question 35When an infection or inflammation is suspected, what does leucopenia often indicate?

 a.Bacterial infection

b.Viral infection

 c.Allergic reaction


Question 36Which of the following applies to erythropoietin?

 a.It is produced by the liver

 b.It increases iron absorption for heme production

 c.It stimulates production of red blood cells

d.Hypoxia stimulates the red bone marrow to produce erythropoietin

Question 37Which of the following applies to the leukemias?

 a.Chronic leukemias are more common in older people

 b.AML is the most common childhood leukemia

c.Exposure to chemicals is not considered a predisposing factor

 d.Lymphoid tissue produces abnormal leukocytes

Question 38Which of the following are the target cells for HIV?

 a.Helper T lymphocytes (CD4 lymphocytes)

b.B lymphocytes

 c.Natural killer cells


Question 39Which of the following can result from a malabsorption problem?

 a.Aplastic anemia

 b.Sickle cell anemia

 c.Thalassemia major

 d.Pernicious anemia

Question 40Which of the following characteristics apply to HIV?

1.            It contains two strands of DNA.

2.            It tends to mutate frequently to form new strains.

3.            The incubation period is extremelyshort.

4.            It is inactivated by heat and manydisinfectants.

 a.1, 2

b.1, 3

 c.2, 4

 d.3, 4

Question 41Which of the following does not directly determine the virulence of a microbe?

 a.Capacity for opportunism

 b.Production of toxins

c.Ability to mutate

 d.Invasive qualities

Question 42Which of the following helps to localize and “wall off” the foreign material during an inflammatory response?


b.Increased fluid



Question 43Which of the following is a characteristic of rickettsia?

 a.It is a very small gram-negative intracellular microbe

 b.It exists in three forms

c.It causes sexually transmitted disease

 d.It reproduces by budding

Question 44Which of the following is a serious potential complication found only with the anti inflammatory COX-2 inhibitor drugs?

 a.Increased risk of infection at the site of inflammation

 b.Reye’s syndrome developing in children and young adults

c.Increased incidence of heart attacks

 d.Greatly delayed blood clotting

Question 45Which of the following is the primary difference between an antiseptic and a disinfectant?

 a.Antiseptic is used on living tissue, whereas disinfectant is designed for nonliving surfaces

 b.Antiseptic is much stronger than the potency of a disinfectant

 c.Antiseptic often causes allergic skin reactions, whereas disinfectant is always hypoallergenic

 d.Antiseptic is effective against endospores; disinfectants are not effective against endospores

Question 46Which of the following promotes rapid healing?

 a.Closely approximated edges of a wound

 b.Presence of foreign material

 c.Exposure to radiation

 d.Vasoconstriction in the involved area

Question 47Which of the following statements applies to the complement system?

 a.It is activated by IgE

b.It blocks the inflammatory response

 c.It consists of proteins in the blood that must be activated

 d.It may destroy antibodies in the circulation

Question 48Which of the following would result from a reduced number of erythrocytes in the blood?

 a.Increased hemoglobin in the blood

 b.Decreased hematocrit

c.Increased risk of hemostasis

 d.Decreased osmotic pressure of the blood

Question 49Which statement applies to the disorder hemophilia A?

 a.It is transmitted as an X-linked dominant trait

 b.There is usually a total lack of factor VIII in the blood

 c.Males and females can be carriers

 d.Hematomas and hemarthroses are common

Question 50Why do vascular occlusions and infarcts occur frequently with sickle cell anemia?

 a.The red blood cells are abnormally large

 b.Increased hemolysis of erythrocytes occurs

 c.Erythrocytes change to sickle shape when hypoxia occurs

d.HbS is unable to transport oxygen

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