Patho Quiz Chapter 3
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Patho. Quiz. Chapter. 3.
- 1.Neutrophils are
- A.
Primarily phagocytic
- B.
The last cells to arrive in the inflamed area
- C.
Essential for an immune response
- D.
Elevated during an allergic reaction
- 2.
- A.
T helper cells
- B.
Macrophages
- C.
Eosinophils
- D.
Monocytes
- 3.Humoral immunity is mediated by
- A.
Natural killer cells
- B.
T lymphocytes
- C.
B lymphocytes
- D.
Neutrophils
- 4.A patients experienced an episode of influenze 6 months ago. a recent exposure to a mutated form of the same virus would result in
- A.
A primary immune response
- B.
A secondary immune response
- C.
Passive natual immunity to the virus
- D.
Aviodenct of any flu infection
- 5.Which type of immunity is provided by a vaccination
- A.
Active natural
- B.
Active artifcial
- C.
Passive natural
- D.
Passive artificial
- 6.When an allergen binds with IgE antibodies on mast cells resulting in release of chemical mediators this reaction called
- A.
Cytotoxic hypersensitivity
- B.
Immune complex hypersensitivity
- C.
Type I hypersensitivity
- D.
Type IV hypersensitivity
- 7.The roll of memory cells is to
- A.
Change into an antibody secreting cell following activation
- B.
Immediately secrete antibodies following the first exposure to antigen
- C.
Support the immune response by reconizing certain antigens
- D.
Bind complement to the antibody
- 8.Which statement applies to contact dermatitis
- A.
It occurs when IgE antibodies of the skin react with the causative substance
- B.
It may result from ingested foods
- C.
The urticara (hives) gradually spreads over the body
- D.
A type IV reaction occurs in area of direct contact with the causative substance
- 9.Anaphylaxis results from
- A.
A severe systematic allergic reaction
- B.
Type III hypersensitivity
- C.
Cell mediated hypersensitivity
- D.
Immune complex deposits in many tissues
- 10.Anaphylaxis is considered a critical situation because
- A.
The heart rate in irregular
- B.
Carbon dioxide levels in the body are greatly increased
- C.
Bronchoconstriction and systematic vasodilation develop rapidly
- D.
Manifestations are not obvious on the initial stages
- 11.Incompatiable blood tranfusions result in
- A.
Hemolysis of erythorocytes
- B.
Type I immune response
- C.
Deposits in glomerular capillaries
- D.
Immune deficiency
- 12.An autoimmune disease means
- A.
Formation of antibodies on second exposure to foreign material
- B.
An extreme response to normally harmless material in the environment
- C.
An abnormal response to ingested food and drugs
- D.
Failure of the immune system to distinguish self from nonself
- 13.Systematic lupus erythematosus is caused by
- A.
A chronic allergic condition
- B.
Development of an immune deficient state
- C.
Deficiency of lymphocytes
- D.
Immune complex deposits of antinucelar antibodies
- 14.Distinguishing clincial features of systematic lupus erythematosus include
- A.
Inflammation in multiple organs
- B.
Lack of a specific diagnostic blood test
- C.
Acute onset nonprogressive course
- D.
Typical skin rash on the chest and back
- 15.The target cells for HIV are the
- A.
T helper lymphocytes
- B.
B lymphocytes
- C.
Nautral killer cells
- D.
Macrophages
- 16.A diagnosis of HIV postive means that
- A.
The number of t lymphocytes in the circulating blood decreased
- B.
Opportunistic infection is present in the body
- C.
The individual has aids
- D.
The virus and its antibodies are in the blood
- 17.HIV infection impairs
- A.
Humoral immunity
- B.
Cell mediated immunity
- C.
Both humoral and cell mediated immunity
- D.
Neither type of immunity
- 18.HIV is transmitted by
- A.
Kissing or coughing into another face
- B.
Tolliet seats with infected secreations
- C.
Any contaminated surface and skin
- D.
Blood semen and vaginal secreations from and infected persons
- 19.Serious infections frequesntly occuring in patients with AIDS include1. tuberculosis2. pneumocytis carinii pneumonia3. influenze4. tetanus
- A.
1 2
- B.
1 4
- C.
2 3
- D.
3 4
- 20.Which of the following statements does not apply to MHC proteins or molecules
- A.
They are genes of choromosone 6
- B.
They differentitate self from no self
- C.
They alert immune system to virus infected cells
- D.
They are essential for successful tissue transplants
- 21.CD4- poitive helper t cells function by
- A.
Direct cytotoxic action
- B.
Facilitaing all immune system activity
- C.
Production of immunoglobulins
- D.
Inactivating allergens
- 22.Host versus graft disease refers to
- A.
Rejection of tissue immediatley following transplant
- B.
T cells in grafted tissue attacking host cells
- C.
Infection resulting from immunosuppression therapy
- D.
Transplant rejection by the recopients immune system
- 23.All of the following conditions frequently occur in aIDS patients except
- A.
Kaposi sarcome
- B.
Wasting syndrome
- C.
Lymphoma
- D.
Polyarthritis
- 24.Which of the following characterisitcs apply to HIV1.it contains 2 strands of DNA2.it tends to mutate frequently to form new strains3.its incubation period is exteremely short4. it is inactivated by heat and many disinfectants
- A.
1 2
- B.
1 3
- C.
2 4
- D.
3 4
- 25.Which of the following can be detected in the blood with 2 days of entry or exposure
- A.
HIV
- B.
HIV antibodies
- C.
Both HIV and HIV antibodies
- D.
Neither HIV nor HIV antibodies
- 26.Cytokines acts to
- A.
Activate and stimulate proliferation of B and T lymphocytes
- B.
Destroy antigens quickly
- C.
Increase the rate of mitosis in tumors
- D.
Stimulate an inflammatory response
- 27.What does seroconversion mean in realation to HIv and AIDs
- A.
The virus has been identified in the blood and body fluids
- B.
Antibodies for hiv have been identified in the blood
- C.
HIV was found in lymphocytes
- D.
Active infection has developed in the patient
- 28.Which of the following statements is true regarding a patient who is HIV positive
- A.
No medication is required until t4 cells count drops below normal range
- B.
Antibodies are present controlling the virus and preventing transmission to toehr at this time
- C.
Antibodies in blood indicate presence of virus and possible transmission to others
- D.
The patient will not show any effects of the infection for many years
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