Human Health and Disease MCQs with Answers

Question-1. 'Smack' is a drug obtained from the:

1. fruits of Erythroxyl coca
2. latex of Papaver somniferum
3. leaves of Cannabis sativa
4. flowers of Dhatura

Question-2. ___________ is an example of a stimulant

1. Phencyclidine
2. Amphetamine
3. Lorazepam
4. Oxazepam

Question-3. A person likely to develop tetanus is immunised by administering

1. Preformed antibodies
2. Wide spectrum antibiotics
3. Weakened germs
4. Dead germs

Question-4. A person showing unpredictable moods, outbursts of emotion, quarrelsome behaviour and conflicts with others is suffering from

1. addictive disorders
2. schizophrenia
3. Borderline Personality Disorder (BPD)
4. mood disorders

Question-5. A person with sickle cell anemia is

1. more prone to malaria
2. less prone to malaria
3. less prone to typhoid
4. more prone to typhoid

Question-6. AIDS is caused by HIV. Among the following, which one is not a mode of transmission of HIV?

1. Sharing the infected needles
2. Shaking hands with infected persons
3. Sexual contact with infected persons
4. Transfusion of contaminated blood

Question-7. Amoebiasis is caused by

1. Entamoeba histolytica
2. Plasmodium vivax
3. Entamoeba gingivalis
4. Trypanosoma gambiense

Question-8. Anti venom against snake poison contains

1. Enzymes
2. Antibodies
3. Antigen-antibody complexes
4. Antigens

Question-9. Antibodies present in colostrum which protect the new born from certain diseases is of

1. Ig E type
2. Ig A type
3. Ig G type
4. Ig D type

Question-10. Ascaris lumbricoides is a species of parasitic roundworm that lives in

1. None of the above
2. Humans
3. Grasshoppers
4. Pigs

Question-11. Black water fever is a severe complication of

1. all of the above
2. Plasmodium falciparum
3. P. vivax
4. P. malariae

Question-12. Both sickle cell anaemia and Huntington’s chorea are

1. virus-related diseases
2. bacteria-related diseases
3. congenital disorders
4. pollutant-induced disorders

Question-13. Botulism caused by Clostridium botulinum affects the

1. neuromuscular junction
2. spleen
3. intestine
4. lymph glands

Question-14. Bovine spongiform encephalopathy is a bovine disease. To which of the following human diseases it is related ?

1. Creutzfeldt Jacob disease
2. Kala-azar
3. Encephalitis
4. Cerebral spondylitis

Question-15. Cancerous cells can easily be destroyed by radiation due to

1. lack of oxygen
2. rapid cell division
3. lack of nutrition
4. fast mutation

Question-16. Carcinoma refers to

1. malignant tumours of the skin or mucous membrane
2. malignant tumours of the colon
3. benign tumours of the connective tissue
4. malignant tumours of the connective tissue

Question-17. Cells involved in immune mechanism are

1. thrombocytes
2. erythrocytes
3. lymphocytes
4. eosinophils

Question-18. Christmas disease is another name for

1. hepatitis-B
2. Down’s syndrome
3. sleeping sickness
4. haemophilia-B

Question-19. Diphtheria is caused by

1. excessive immune response by the hostÂ’s body
2. poisons released by living bacterial cells into the host tissue
3. poisons released from dead bacterial cells into the host tissue
4. poisons released by virus into the host tissues

Question-20. Diseases are broadly grouped into infectious and non-infectious diseases. In the list given below, identify the infectious diseases.i. Cancer ii. Influenzaiii. Allergyiv. Small pox

1. i and ii
2. ii and iv
3. iii and iv
4. ii and iii

Question-21. Elephantiasis is caused by

1. None of these
2. Filarial worms
3. Flatworms
4. Tapeworms

Question-22. ELISA is used to detect viruses where the key reagent is

1. catalase
2. DNA probe
3. RNAase
4. alkaline phosphatase

Question-23. Food poisoning is caused by

1. Corynebacterium diphtheriae
2. Entamoeba histolytica
3. Escherichia coli
4. Clostridium botulinum

Question-24. Haemozoin is:

1. a precursor of hemoglobin
2. a toxin from Plasmodium species
3. a toxin from Haemophilus species
4. a toxin from Streptococcus

Question-25. Hybridoma cells are

1. only cells having oncogenes
2. product of spore formation in bacteria
3. hybrid cells resulting from myeloma cells
4. nervous cells of frog

Question-26. Hypersensitivity to an allergen is associated with

1. food habits
2. aberrant functioning of the immune mechanism
3. increase in ambient temperature
4. age of the individual

Question-27. Identify the site where Wuchereria bancrofti is normally found on human body.

1. Skin between the fingers
2. Lymphatic vessels of the lower limbs
3. Muscles of the legs
4. Blood vessels of the thigh region

Question-28. If a person shows production of interferons in his body, the chances are that he has got an infection of

1. malaria
2. typhoid
3. measles
4. tetanus

Question-29. If you suspect major deficiency of antibodies in a person, to which of the following would you look for confirmatory evidence ?

1. Haemocytes
2. Serum albumins
3. Serum globulins
4. Fibrinogen in the plasma

Question-30. Immunoglobulins are

1. antibiotics
2. antigen
3. antibodies
4. antiseptics

Question-31. In malignant tumors, the cells proliferate, grow rapidly and move to other parts of the body to form new tumors. This stage of disease is called:

1. metagenesis
2. metastasis
3. teratogenesis
4. mitosis

Question-32. In which of the following disease, there is always a time lag between the infection and appearance of the symptoms of that particular disease?

1. Alcoholism
2. AIDS
3. Allergy
4. Cancer

Question-33. Increased asthmatic attacks in certain seasons are related to

1. low temperature
2. hot and humid environment
3. eating fruits preserved in tin containers
4. inhalation of seasonal pollen

Question-34. Infection of Ascaris usually occurs by

1. drinking water containing eggs of Ascaris.
2. eating imperfectly cooked pork.
3. tse-tse fly.
4. mosquito bite.

Question-35. Koch’s postulates are not applicable to

1. diphtheria
2. cholera
3. leprosy
4. TB

Question-36. LSD is

1. tranquiliser
2. hallucinogenic
3. sedative
4. stimulant

Question-37. Many diseases can be diagnosed by observing the symptoms in the patient. Which group of symptoms are indicative of pneumonia?

1. High fever, weakness, stomach pain, loss of appetite and constipation
2. Difficulty in respiration, fever, chills, cough, headache
3. Constipation, abdominal pain, cramps, blood clots
4. Nasal congestion and discharge, cough, sorethroat, headache

Question-38. Maximum application of animal cell culture technology today is in the production of

1. interferons
2. vaccines
3. edible proteins
4. insulin

Question-39. Monoclonal antibodies

1. are obtained from a group of same type of cells and act on more than one antigens
2. are obtained from a cell and act on one antigen
3. are obtained from a group of cells and act on more than one antigens
4. are obtained from a group of same type of cells and act on single antigen

Question-40. Mumps is a viral disease and painful swelling of

1. sublingual glands
2. parotid glands
3. thyroid
4. thymus

Question-41. One of the following is not the causal organism for ringworm

1. Microsporum
2. Macrosporum
3. Epidermophyton
4. Trichophyton

Question-42. Opiate narcotic is

1. nicotine
2. bhang
3. charas
4. heroin

Question-43. Passive immunity was discovered by

1. Louis Pasteur
2. Edward Jenner
3. Emil von Behring
4. Robert Koch

Question-44. Plague is caused by the bacterium

1. None of these
2. Yersinia pestis
3. Yersinia pseudotuberculosis
4. Yersinia enterocolitica

Question-45. Probiotics are

1. live microbial food supplement
2. safe antibiotics
3. cancer inducing microbes
4. new kind of food allergens

Question-46. Reason of lung cancer is

1. bauxite mining
2. coal mining
3. calcium fluoride
4. cement factory

Question-47. Retroviruses are implicated as a cause for cancer in humans because they

1. carry single stranded RNA as their genetic material
2. carry gene for reverse transcriptase
3. may carry cellular protooncogenes in their genome
4. may carry v-oncogenes in their genome

Question-48. Salmonella is related with

1. tetanus
2. typhoid
3. polio
4. TB

Question-49. Sickle cell anaemia has not been eliminated from the African population because

1. it is controlled by dominant genes
2. it is controlled by recessive genes
3. it is not a fatal disease
4. it provides immunity against malaria

Question-50. Small proteins produced by vertebrate cells naturally in response to viral infections and which inhibit mutliplication of viruses are called

1. lipoproteins
2. immunoglobulins
3. interferons
4. antitoxins

Question-51. The _________ is at its largest in children, but with the onset of puberty, it eventually shrinks and gets replaced by fat.

1. Parathyroid gland
2. Thymus
3. Hypothalamus
4. None of these

Question-52. The “blue baby syndrome” results from

1. excess of TDS (Total Dissolved Solids)
2. excess of chloride
3. methaemoglobin
4. excess of dissolved oxygen

Question-53. The cells affected in leukaemia are

1. leucocytes
2. plasma cells
3. erythrocytes
4. thrombocytes

Question-54. The chemical test that is used for diagnosis of typhoid is:

1. ELISA-Test
2. Widal-Test
3. PCR - Test
4. ESR - Test

Question-55. The disease chikunguniya is transmitted by

1. house flies
2. Aedes mosquitoes
3. cockroach
4. female Anopheles

Question-56. The genes causing cancer are

1. structural genes
2. oncogenes
3. regulatory genes
4. expressor genes

Question-57. The immune system comprises

1. Lymphocytes
2. Humoral and Cell-mediated systems
3. Humoral and fibrous systems
4. Antigens

Question-58. The letter T in T-lymphocyte refers to

1. Thalamus
2. Tonsil
3. Thymus
4. Thyroid

Question-59. The long-term prospects for a truly human civilization depend in a large measure on

1. control of human diseases
2. the ability of humanity to moderate its fecundity
3. increasing the food production
4. colonization of underpopulated areas

Question-60. The organisms which cause diseases in plants and animals are called

1. Worms
2. Pathogens
3. Vectors
4. Insects

Question-61. The pathogens of genera, Microsporum, Trichophyton and Epidermorphyton are responsible for

1. skin allergy
2. botulism
3. conjunctivitis
4. ringworms

Question-62. The sporozoites that cause infection when a female Anopheles mosquito bites a human being are formed in

1. Liver of human
2. salivary glands of mosquito
3. intestine of human
4. RBCs of mosquito

Question-63. The substance produced by a cell in viral infection that can protect other cells from further infection is:

1. serotonin
2. interferon
3. histamine
4. colostrum

Question-64. The term 'Health' is defined in many ways. The most accurate definition of the health would be

1. health is the state of body and mind in a balanced condition
2. health is a state of complete physical, mental and social well-being
3. health is the symbol of economic prosperity
4. health is the reflection of a smiling face

Question-65. The term ‘humulin’ is used for

1. hydrolytic enzyme
2. human insulin
3. powerful antibiotic
4. isoenzyme

Question-66. The term “antibiotic” was coined by

1. Louis Pasteur
2. Selman Waksman
3. Alexander Fleming
4. Edward Jenner

Question-67. The toxic substance, ‘haemozoin’, related to the high fever and chill, is released during which of the following disease?

1. Phenumonia
2. Dengue
3. Malaria
4. Diphtheria

Question-68. To which type of barriers under innate immunity, do the saliva in the mouth and the tears from the eyes, belong?

1. Physiological barriers
2. Physical barriers
3. Cytokine barriers
4. Cellular barriers

Question-69. To which type of barriers under innate immunity, do the saliva in the mouth and the tears from the eyes, belong?

1. physical barriers
2. cytokine barriers
3. cellular barriers
4. physiological barriers

Question-70. Tobacco consumption is known to stimulate secretion of adrenaline and nor-adrenaline. The component causing this could be

1. Catechin
2. Nicotine
3. Tannic acid
4. Curaimin

Question-71. Transplantation of tissues/organs to save certain patients often fails due to rejection of such tissues/organs by the patient. Which type of immune response is responsible for such rejections?

1. auto-immune response
2. cell-mediated immune response
3. physiological immune response
4. humoral immune response

Question-72. Typhoid fever is caused by

1. Escherichia
2. Giardia
3. Salmonella
4. Shigella

Question-73. Vector for kala azar is:

1. housefly
2. sandfly
3. bedbug
4. louse

Question-74. When an apparently healthy person is diagnosed as unhealthy by a psychiatrist, the reason could be that:

1. the patient was not efficient at his work
2. the patient shows behavioural and social maladjustment
3. he does not take interest in sports
4. the patient was not economically prosperous

Question-75. Which of the following disease is confirmed by ‘widal test’?

1. Tetanus
2. Tuberculosis
3. Typhoid
4. Plague

Question-76. Which of the following disease is not transmitted through contaminated water ?

1. Hepatitis A
2. Typhoid
3. Diphtheria
4. Amoebiasis

Question-77. Which of the following diseases is due to an allergic reaction?

1. Enteric fever
2. Goitre
3. Skin cancer
4. Hay fever

Question-78. Which of the following glands is large sized at birth but reducies in size with aging?

1. Thyroid
2. Thymus
3. Pituitary
4. Pineal

Question-79. Which of the following is a communicable disease?

1. Kwashiorkar
2. Malaria
3. Diabetes
4. Hypertension

Question-80. Which of the following is a viral disease?

1. Filariasis
2. Influenza
3. Diphtheria
4. Leprosy

Question-81. Which of the following is an opiate narcotic?

1. LSD
2. Barbiturates
3. Morphine
4. Amphetamines

Question-82. Which of the following is not a hereditary disease ?

1. Haemophilia
2. Cretinism
3. Cystic fibrosis
4. Thalassaemia

Question-83. Which of the following is not a lymphoid tissue?

1. Tonsils
2. Appendix
3. Thymus
4. Spleen

Question-84. Which of the following is the most accurate definition of infection?

1. The appearance of symptoms in a host, caused by microorganisms.
2. The presence of microorganism in a particular location.
3. The disruption of normal host functions by microorganisms.
4. The survival and reproduction of microorganisms in a host.

Question-85. Which of the following pair is not correctly matched?

1. Malaria — Plasmodium vivax
2. Dengue fever — Arbovirus
3. Plague — Yersinia pestis
4. Syphilis — Trichuris trichiura

Question-86. Which of the following set includes bacterial diseases ?

1. None of the above.
2. Tetanus, typhoid, tuberculosis
3. Small pox, influenza, tetanus
4. Meningitis, measles, syphilis

Question-87. Which of the following symptoms indicate radiation sickness ?

1. Ulcerated skin, nausea and loss of hair
2. Red and ulcerated skin
3. Nausea and anaemia
4. Nausea and loss of hair

Question-88. Which of the following will be achieved in next two decades ?

1. Production of biodegradable plastic
2. Control of cancer
3. Correction of genetic basis of diabetes mellitus
4. A complete understanding of brain-mind interactions

Question-89. Which of these is most infectious disease?

1. Malaria
2. Hepatitis-B
3. AIDS
4. Cough and cold

Question-90. Which one of the following acts as a physiological barrier to the entry of micro organisms in human body?

1. monocytes
2. Skin
3. Epithelium of urogenital tract
4. Tears

Question-91. Which one of the following conditions though harmful in itself, is also a potential saviour from a mosquito borne infectious disease ?

1. Sickle cell anaemia
2. Pernicious anaemia
3. Leukemia
4. Thalassaemia

Question-92. Which one of the following correctly matches a Sexually Transmitted Disease (STD) with its pathogen ?

1. Gonorrhoea — Leishmania donovani
2. AIDS — Bacillus anthracis
3. Syphilis — Treponema pallidum
4. Urethritis — Entamoeba gingivalis

Question-93. Which one of the following depresses brain activity and produces feelings of calmness, relaxation and drowsiness ?

1. Amphetamines
2. Valium
3. Morphine
4. Hashish

Question-94. Which one of the following is a viral disease of poultry ?

1. Pasteurellosis
2. Salmonellosis
3. Coryza
4. New castle disease

Question-95. Which one of the following is correct match?

1. Bhang — Analgesic
2. Reserpine — Tranquiliser
3. Cocaine — Opiatic narcotic
4. Morphine — Hallucinogenic

Question-96. Which one of the following is not correctly matched ?

1. Anopheles culicifacies — Leishmaniasis
2. Glossina palpalis— Sleeping sickness
3. Culex pipiens — Filariasis
4. Aedes aegypti — Yellow fever

Question-97. Which one of the following pairs is not correctly matched ?

1. Rhizobium — Biofertilizer
2. Streptomyces — Antibiotic
3. Serratia — Drug addiction
4. Spirulina — Single cell protein

Question-98. A person is injected with gamma-globulin against hepatitis. This is

1. Naturally acquired passive immunity
2. Artificially acquired active immunity
3. Artificially acquired passive immunity
4. Naturally acquired active immunity

Question-99. A young drug addict used to show symptoms of depressed brain activity, feeling of calmness, relaxation and drowsiness. Possibly he was taking

1. Valium
2. Amphetamine
3. Marijuana
4. Pethidine

Question-100. AIDS is caused by HIV that principally infects

1. Tu lymphocytes
2. all lymphocytes
3. activator B-cells
4. cytotoxic T-cells

Question-101. An insect bite may result in inflammation of that spot. This is triggered by the alarm chemical such as

1. interferons and histones
2. histamine and dopamine
3. histamine and kinins
4. interferons and opsonin

Question-102. Antigen binding site in an antibody is found between

1. either between two light chains or between one heavy and one light chain depending upon the nature of antigen.
2. two light chain
3. two heavy chains
4. one heavy chain and one light chain

Question-103. Antiserum contains

1. None of these
2. Antigen
3. Leucocytes
4. Antibodies

Question-104. Aspirin is a/an

1. None of these
2. Antibiotic
3. Antipyretic
4. Antiseptic

Question-105. Caffeine is a stimulant present in

1. All of these
2. Coffee
3. Tea
4. Cold drinks

Question-106. Cancer cells are more easily damaged by radiations than normal cells because they are

1. starved of mutation
2. undergoing rapid division
3. different in structure
4. non-dividing

Question-107. CO is used for the treatment of

1. hepatitis
2. cancer
3. thyroid
4. AIDS

Question-108. Electron beam therapy is a kind of radiation therapy to treat

1. kidney stones
2. enlarged prostrate gland
3. gall bladder stones by breaking them
4. certain types of cancer

Question-109. Entamoeba histolytica differs from Amoeba in absence of

1. ectoplasm
2. pseudopodia
3. contractile vacuole
4. nucleus

Question-110. HIV mainly infects

1. Killer lymphocytes
2. Cytotoxic T-lymphocytes
3. Helper lymphocytes
4. Cell-mediated T-lymphocytes

Question-111. On stimulation by a foreign antigen in the body, the T-lymphocytes produce by division a clone of T-cells called

1. None of these
2. Lymphocytes
3. Lymphoblasts
4. Plasma cells

Question-112. Short-lived immunity acquired from mother to foef’s across placenta or through mother’s milk to the infant is categorised as

1. Innate non-specific immunity
2. Active immunity
3. Passive immunity
4. Cellular immunity

Question-113. The major phagocytic cells are

1. Plasma cells
2. Lymphocytes
3. Mast cells
4. Macrophages

Question-114. T-lymphocytes first mature in

1. Spleen
2. Thymus
3. Pancreas
4. Liver

Question-115. Which of the following is sexually transmitted disease

1. Hepatitis-B
2. Hepatitis-D
3. Hepatitis-C
4. Hepatitis-A

Question-116. Which one of the following depresses brain activity and produces feelings of calmness, relaxation and drowsiness?

1. hashish
2. morphine
3. valium
4. amphetamines

Question-117. Which one of the following is a matching pair of a drug and its category?

1. Benzodiazepan-pain killer
2. Amphetamines-Stimulant
3. Lysergic acid Dimethylamide-Narcotic
4. Heroin-psychotropic