Human Health and Disease MCQs with Answers

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

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

Question-2. ___________ is an example of a stimulant

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

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

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

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

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

Question-5. A person with sickle cell anemia is

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

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

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

Question-7. Amoebiasis is caused by

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

Question-8. Anti venom against snake poison contains

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

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

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

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

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

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

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

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

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

Question-13. Botulism caused by Clostridium botulinum affects the

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

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

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

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

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

Question-16. Carcinoma refers to

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

Question-17. Cells involved in immune mechanism are

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

Question-18. Christmas disease is another name for

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

Question-19. Diphtheria is caused by

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

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

Question-21. Elephantiasis is caused by

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

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

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

Question-23. Food poisoning is caused by

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

Question-24. Haemozoin is:

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

Question-25. Hybridoma cells are

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

Question-26. Hypersensitivity to an allergen is associated with

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

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

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

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

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

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

Question-30. Immunoglobulins are

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

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. metastasis
2. teratogenesis
3. mitosis
4. metagenesis

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. AIDS
2. Allergy
3. Cancer
4. Alcoholism

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

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

Question-34. Infection of Ascaris usually occurs by

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

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

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

Question-36. LSD is

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

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

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

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

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

Question-39. Monoclonal antibodies

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

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

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

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

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

Question-42. Opiate narcotic is

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

Question-43. Passive immunity was discovered by

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

Question-44. Plague is caused by the bacterium

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

Question-45. Probiotics are

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

Question-46. Reason of lung cancer is

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

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

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

Question-48. Salmonella is related with

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

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

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

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

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

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

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

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

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

Question-53. The cells affected in leukaemia are

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

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

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

Question-55. The disease chikunguniya is transmitted by

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

Question-56. The genes causing cancer are

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

Question-57. The immune system comprises

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Question-68. 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-69. 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-70. Tobacco consumption is known to stimulate secretion of adrenaline and nor-adrenaline. The component causing this could be

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

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

Question-72. Typhoid fever is caused by

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

Question-73. Vector for kala azar is:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

1. all lymphocytes
2. activator B-cells
3. cytotoxic T-cells
4. Tu 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 dopamine
2. histamine and kinins
3. interferons and opsonin
4. interferons and histones

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

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

Question-103. Antiserum contains

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

Question-104. Aspirin is a/an

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

Question-105. Caffeine is a stimulant present in

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

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

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

Question-107. CO is used for the treatment of

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

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

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

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

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

Question-110. HIV mainly infects

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

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

Question-113. The major phagocytic cells are

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

Question-114. T-lymphocytes first mature in

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

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

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

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

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

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

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