Animal Physiology MCQs Part 13

1) An immune disease in which the body destroys the ill-functioning thyroid
gland is called

a) Cretinism
b) Myxoedema
c) Simmond’s disease
d) Hashimoto disease

2) Cloacal thymus is another name for the
a) endostyle
b) neutral complex
c) bursa Fabricii
d) thymus

3) Passive immunity is defined as immunity
a) inherited from the parents
b) achieved through vaccinations
c) acquired through first exposure to the disease
d) achieved through the sera of other animals enriched in antibodies

4) Memory cells are
a) cells responsible for immunologic memory
b) antigens
c) cells of the cerebrum
d) cells responsible for memory in the brain

5) An auto-immune disease is
a) Leukaemia
b) Haemophilia
c) Myasthenia gravis
d) None of these

6) The allergic condition caused by pollen grains of certain flowers causing
inflammation of the nose is called

a) pharyngitis
b) laryngitis
c) bronchitis
d) rhinitis

7) The secretion of the host cell for its protection against viral infection
is called

a) antibody
b) antigen
c) allotoxin
d) interferon

8) When the body cannot differentiate between its own and a foreign matter it
is

a) passive immunity
b) active immunity
c) auto immune disease
d) immunodeficiency

9) The hormone produced against an allergic reaction is
a) epinephrine
b) nor-epinephrine
c) glucocorticoid
d) mineralocortiocoid

10) The antigen-binding site on antibodies is on the
a) light chain
b) strong chain
c) variable position
d) any of above

11) Immunoglobulins are
a) antigens
b) antibodies
c) antiseptics
d) antibiotics

12) The mammalian thymus is mainly concerned with
a) regulation of body temperature
b) regulation of body growth
c) immunological functions
d) secretion of thyrotropin

13) The induction of active immunity was started by
a) Edward Jenner
b) L. Pasteur
c) Jonas E. Salk
d) A. Fleming

14) Which of the following diseases is due to an allergic reaction?
a) skin cancer
b) hay fever
c) enteric fever
d) goitre

15) An antibody
a) is formed by a WBC
b) helps in production of WBC
c) induces the formation of antigens
d) none of these

16) Antigens are present
a) inside the nucleus
b) on the cell surface
c) inside the cytoplasm
d) on the nuclear membrane

17) Chemical substances such as histamines, vasodilator, bring about certain reactions in the body after the introduction of allergens and are called
a) anaphylatoxins
b) antigen-antibody complexes
c) antibodies
d) none of the above

18) The cells which produce the antibodies by stimulating the B-cells are known as
a) killer B-cells
b) helper T-cells
c) helper B-cells
d) antibodies

19) The immunological destruction of tissue in the host, by the immunological reaction of autoantigens and autoantibodies is called
a) prophylaxis
b) anaphylaxis
c) autoimmune disease
d) all the above

20) Which can specifically react with an antigen?
a) antibodies
b) immunoglobulins
c) both the above
d) none the above

21) The cells which suppress the entire immune system from attack its own body are known as
a) helper T-cells
b) killer B-cells
c) suppressor cells
d) suppressor T-cells

22) A living attenuated bovine strain of Mycobacterium tuberculosis is used as a vaccine to protect human tuberculosis, which is
a) Antituberculosis
b) Rifamycin
c) Bacille Calmette-Guerin
d) none of the above

23) Recognition and digestion by the phagocytes due to the coated surface of antigens by the antibodies is known as
a) Opsonization
b) Immunization
c) T-cells immunization reaction
d) B-cells immunization reaction

24) The function of vaccine is the production and storage of
a) antigens
b) immune bodies
c) immune reactions
d) antibodies

25) Generally the number of vaccinations needed to get complete immunity are …
a) 2 to 3
b) 2 only
c) 3 only
d) 4 only

26) After vaccination, the dose given to maintain immunization is known as
a) essential dose
b) deficient dose
c) booster dose
d) resistance dose

27) Pollen like agents which produce allergy are known as
a) antigens
b) allergens
c) oncogens
d) none of the above

28) An uncontrolled and undifferentiated mass of cells is known as
a) tumour
b) overgrowth
c) cancer
d) hypertrophy

29) Diseases which develops after birth are known as
a) congenital diseases
b) degenerative diseases
c) acquired diseases
d) communicable diseases

30) The toxic substances produced by the foreign bodies are known as
a) antibodies
b) allergens
c) antigens
d) histamine

31) Mast cells secrete a protein which causes the dilation of blood vessels. The protein is
a) pyrogens
b) histamine
c) interferon
d) none of the above

32) Deficiency of B-cells and T-cells is known as
a) pathogenicity
b) autoimmunity
c) cytotoxcity
d) immune deficiency

33) Certain compounds are released by the WBC which raise the body temperature. These compounds are known as
a) pyrogens
b) histamines
c) allergens
d) pathogens

34) B-cells are lymphocytes which control humoral immunity and are produced by the
a) liver
b) spleen
c) thymus
d) bone marrow

35) The cell- mediated humoral response is controlled by
a) T-lymphocytes
b) B-lymphocytes
c) Plasma cells
d) All above

36) Certain children are immune to certain diseased due to the presence of
a) T-cells immune system
b) B-cells immune system
c) Memory cells
d) Phagocyte-antigen reactions

37) The immune systems which works against self is
a) self immune system
b) autoimmunity
c) specific immunity
d) none of the above

38) When children without T-cells and B-cells are kept in germ-free isolation suits, then the disease is
a) Immunity less hybrids
b) Anti-antigens immune system
c) SCID (severe combined immunodeficiency)
d) None of these

39) The dead bacteria and tissues in the wounded region is known as
a) pus formation
b) immune response
c) immune reactions
d) phagocytic response

40) Edward Jenner is the discoverer of
a) BCG
b) Immnization against polio
c) Vaccination against smallpox
d) Immunization against smallpox

41) Which of the following organs is primarily concerned with immunity?
a) Liver
b) Lymphatic tissue
c) Kidney
d) Thyroid

42) The scientist associated with the discovery of the first antibiotic is
a) Brown
b) Fleming
c) Leeuwenhock
d) Koch

43) After vaccination the body builds up
a) toxins
b) lymph
c) antibodies
d) plasma

44) One good example of an antiseptic is
a) Bordeaux mixture
b) DDT
c) Carbolic acid in dilute solution
d) Hydrocyanic acid gas

45) Humoral immunity is due to
a) B-lymphocytes
b) T-lymphocytes
c) L-lymphocytes
d) Both A and B

46) Injection of antitoxin or toxoid serum is given to prevent
a) diphtheria
b) small pox
c) chicken pox
d) chronic headache

47) The poisons produced in the body of bacteria are called
a) toxins
b) antitoxins
c) toxicoids
d) wastes

48) After infection of germs the immunity acquired is
a) active immunity
b) passive immunity
c) natural immunity
d) both (a) and (b)

49) A portion of the antigen, the antigenic determinant which can bind the
antigen binding site (paratope) of the antibody is the

a) opsonin
b) antigen-antibody complex
c) epitope
d) none above

50) Localized redness of the skin caused by inflammatory reactions causing
capillary enlargement or rupture is

a) prophylaxis
b) erythema
c) anaphylaxis
d) none above

51) A specific lesion in the thyroid, involving infiltration of mononuclear
cells (lymphocytes and plasma cells) and germinal center formation, accompanied
by destruction of follicular cells is

a) Parkinson’s disease
b) Hashimoto’s disease
c) Rheumatoid arthritis
d) All the above

52) Acute nasal catarrh and conjunctivitis caused by a type I hypersensitivity
reaction to pollen inhalation. It also lead to asthma and called as

a) Hay fever
b) Anaphylaxis
c) Prophylaxis
d) Both A and B

53) Antiviral substances are
a) antibiotics
b) antibodies
c) interferons
d) vaccines

54) J.B. Phillips is associated with a vital disease which has been completely
eliminated from the world

a) chickenpox
b) smallpox
c) cowpox
d) tuberculosis

55) Name the scientist who in 1928 discovered the very first antibiotic
– and got the Nobel Prize (in 1945) for it

a) Fleming discovered streptomycin
b) Alexander Fleming for penicillin
c) Waksman for streptomycin
d) Waksman for penicillin

56) A person is very weak, sterile and has very poor eyesight. These are
the symptoms of a pollutant

a) Hg
b) Cu
c) Mg
d) Iron

57) For one of the following nonviral diseases the vector is the mosquito:
a) encephalitis
b) dengue
c) yellow fever
d) filariasis

58) Haemorrhagic dengue has the following vector:
a) Aedes aegypti
b) Aedes albinopictis
c) Aedes meristica
d) Both a and b

59) Antibodies are synthesized in the body by
a) B-cells
b) T-cells
c) Plasma cells
d) All the above

60) Acquired immune deficiency syndrome (AIDS) is characterised by
a) killer T-cells
b) an autoimmune disease
c) reduction in the number of helper T-cells
d) inability of the body to produce interferons

61) Which of the following pairs is correctly matched?
a) AIDS virus-reverse transcriptase
b) Oncogenes – ageing
c) Initiation factors – amino acids activation
d) Replication fork-mRNA

62) A cell-coded protein that is formed in response to infection with
most animal viruses, is called

a) interferon
b) antigen
c) histone
d) antibody

63) Active immunity means
a) development of resistance after disease
b) development of resistance before disease
c) increasing rate of heart beat
d) increasing quantity of blood

64) The antibodies are
a) carbohydrates
b) lipids
c) proteins
d) germs

65) A substance produced by host cells in response to viral infection, that
protects other cells against further viral infection is a/an

a) hormone
b) antibody
c) interferon
d) phytotoxin

66) B and T cells which are considered critical for the immune system are produced
in the

a) bone marrow
b) lymph nodes
c) spleen
d) none of the above

67) Vaccines produced through genetic engineering are considered safe because
they

a) are the active form of viruses
b) are the least active form
c) contain antibody formed for coat proteins only
d) all the above

68) The study of the nature of the spread of communicable diseases is termed as
a) Parasitology
b) Immunology
c) Epidemiology
d) None of these

69) The Dick test is used to detect
a) Typhoid
b) Scarlet fever
c) Smallpox
d) Chickenpox

70) Which of the following is a sexually transmitted disease?
a) Q fever
b) Leprosy
c) Whooping cough
d) Gonorrhoea

71) Gonorrhoea is a
a) Bacterial disease
b) Venereal disease
c) STD
d) All of these

72) Meningitis, a disease which is responsible for damage of the membrane of the brain, is caused by
a) Neisseria
b) Bordetella
c) Bacillus
d) Yersinia

73) The infective stage of plasmodium is the
a) sporozoite
b) trophozoite
c) merozoite
d) all above

74) Koch’s postulates
are not applicable to

a) smallpox
b) diphtheria
c) tuberculosis
d) none of the above

75) Tertiary fever is caused by
a) P. ovale
b) P. falciparum
c) P. malariae
d) All the above

76) Radiation is a health hazard because it causes
a) hemophilia
b) leukaemia
c) pneumonia
d) leucopenia

77) A disease in many Africans, which reduces the oxygen uptake by blood,
is a genetic disease called

a) anaemia
b) haemophilia
c) sickle cell anaemia
d) pernicious anaemia

78) The causative agents of Oriental sore is a
a) bacteria
b) virus
c) protozoan
d) fungus

79) Chloroquine is used for the treatment of
a) malaria
b) tetanus
c) cancer
d) AIDS

80) Fatty syndrome is caused by
a) sugar
b) lipids
c) alcoholism
d) marasmus

81) A person suffering from malaria develops fever when the
a) exoerythrocytic cycle is completed
b) signet ring stage is formed
c) RBC rupture and haemozoin granules are released
d) all of the above

82) The study of the interactions of antigens and antibodies in the blood is known
as

a) serology
b) haematology
c) angiology
d) cryobiology

83) Penicillin inhibits bacterial multiplication because
a) it checks spindle formation
b) it destroys chromatin
c) it inhibits cell wall formation
d) it checks RNA synthesis

84) The place where adult Wuchereria bancrofti
lives is the

a) human subdermal spaces
b) muscles of Culex
c) salivary glands of Culex
d) human lymph glands

85) Genus Aedes
of mosquito is a vector of

a) filaria
b) plague
c) malaria
d) elephantiasis

86) The toxin produced by tetanus affects the
a) Jaw bones
b) Voluntary muscles
c) Involuntary muscles
d) Both voluntary and involuntary muscles

87) In which of the following sets are all vectors?
a) Physalia, Musca domestica, Anopheles
b) Amoeba, Physalia, Musca
c) Anopheles, Musca, Culex
d) All of the above

88) Ringworm is due to a
a) fungus
b) alga
c) bacterium
d) virus

89) Bacteria were discovered by
a) Fischer
b) Ivanowski
c) Leeuwenhoek
d) Koch

90) Repeated exposure to pathogens help in developing
a) immunity
b) jaundice
c) diabetes
d) all the above

91) The smallest animal virus is the
a) pox virus
b) coliphage
c) rhino virus
d) polio virus

92) Koch’s
postulates are known as the

a) Germ theory of disease
b) Kren plasma theory
c) Koch’s plasma theory
d) Koch’s disease theory

93) The infective stage of Entamoeba histolytica
is the

a) trophozoite
b) egg
c) spore
d) cyst

94) In the life cycle of the malarial parasite, which of the following is released
in blood to cause chills and fever?

a) Schuffner’s dots
b) Haemozoin
c) Hematin
d) Hematoxin

95) Diphtheria is associated with the following organ:
a) blood
b) liver
c) pharynx
d) lungs

96) Which of the following disease is not caused by polluted
water?

a) Dysentery
b) Jaundice
c) Typhoid
d) Tuberculosis

97) Which one of these is not a viral disease?
a) Tetanus
b) Chicken pox
c) Trachoma
d) Polio

98) The housefly spreads
a) dengue fever
b) yellow fever
c) meningitis
d) typhoid

99) In which of the following diseases does infection spread
from the genitalia to other parts of the body and may
cause arthritis and female sterility?

a) Gonorrhoea
b) Leprosy
c) AIDS
d) Poliomyelitis

100) Name the disease which is caused by the trisomy of 21st
chromosome in man

a) Albinism
b)
c)
d)

Answers

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