Human Health and Disease MCQs with Answers

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

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

Question-2. ___________ is an example of a stimulant

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

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

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

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

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

Question-5. A person with sickle cell anemia is

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

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

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

Question-7. Amoebiasis is caused by

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

Question-8. Anti venom against snake poison contains

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

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

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

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

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

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

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

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

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

Question-13. Botulism caused by Clostridium botulinum affects the

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

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

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

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

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

Question-16. Carcinoma refers to

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

Question-17. Cells involved in immune mechanism are

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

Question-18. Christmas disease is another name for

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

Question-19. Diphtheria is caused by

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

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

Question-21. Elephantiasis is caused by

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

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

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

Question-23. Food poisoning is caused by

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

Question-24. Haemozoin is:

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

Question-25. Hybridoma cells are

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

Question-26. Hypersensitivity to an allergen is associated with

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

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

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

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

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

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

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

Question-30. Immunoglobulins are

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

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. teratogenesis
2. mitosis
3. metagenesis
4. metastasis

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. Allergy
2. Cancer
3. Alcoholism
4. AIDS

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

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

Question-34. Infection of Ascaris usually occurs by

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

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

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

Question-36. LSD is

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

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

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

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

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

Question-39. Monoclonal antibodies

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

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

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

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

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

Question-42. Opiate narcotic is

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

Question-43. Passive immunity was discovered by

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

Question-44. Plague is caused by the bacterium

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

Question-45. Probiotics are

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

Question-46. Reason of lung cancer is

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

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

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

Question-48. Salmonella is related with

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

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

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

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

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

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

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

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

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

Question-53. The cells affected in leukaemia are

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

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

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

Question-55. The disease chikunguniya is transmitted by

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

Question-56. The genes causing cancer are

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

Question-57. The immune system comprises

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

1. Cytokine barriers
2. Cellular barriers
3. Physiological barriers
4. Physical 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. cellular barriers
2. physiological barriers
3. physical barriers
4. cytokine barriers

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

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

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

Question-72. Typhoid fever is caused by

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

Question-73. Vector for kala azar is:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

1. Artificially acquired passive immunity
2. Naturally acquired active immunity
3. Naturally acquired passive immunity
4. Artificially 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. Marijuana
2. Pethidine
3. Valium
4. Amphetamine

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

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

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

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

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

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

Question-103. Antiserum contains

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

Question-104. Aspirin is a/an

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

Question-105. Caffeine is a stimulant present in

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

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

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

Question-107. CO is used for the treatment of

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

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

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

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

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

Question-110. HIV mainly infects

1. Helper lymphocytes
2. Cell-mediated T-lymphocytes
3. Killer lymphocytes
4. Cytotoxic 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. Lymphoblasts
2. Plasma cells
3. None of these
4. Lymphocytes

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

Question-113. The major phagocytic cells are

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

Question-114. T-lymphocytes first mature in

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

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

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

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

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

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

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