Microbiology Exam Questions and Answers Part 8

614. Which type of E.coli caused traveller's diarrhea? A. B. C. D. E. Enterotoxigenic E. coli Enteropathogenic E. coli Enteroinvasive E. coli Enterohemorrhagic E. coli Enteroaggregative E. coli A. B. C. D. E. 615. What is true about typhoid ? Incubation period 3-6 weeks Chronic carrier is 10-15% Vidal test is specific Vi polysaccharide of bacterial cell used for vaccination Absence of flagella A. B. C. D. E. 616. What is the correct statement about Vidal test? Only O antigen is used Is a tube agglutination Any antibody titre is diagnostic Antibody appears after 1-10 days of fever Slide agglutination A. B. C. D. E. 617. For which of following Vidal test is done? Typhoid fever Salmonela Brucellosis Tularemia All 618. Which of following are microorganisms that enter freshly laid eggs? A. Salmonella B. Brucella C. Shigella D. Vibrio cholerae E. Staphylococcus 619. Which of the following is not Non-lactose fermentate? A. Shigella sonnei B. Shigella dysenteriae C. Shigellaflexneri D. Shigella boydii E. Salmonella 620. Which E.coli caused persistant diarrhea? A. EAEC B. EIEC C. ETEC D. EPEC E. EHEC A. B. C. D. E. 621. Which of the following statement regarding is true? It can lead to hemolytic uremic syndrome It produces an invasive enterotoxin It is an facultative aerobes It is MR negative Motile type I 622. On the basis of ability to ferment of what Shigella are divided into sub group? A. Lactose B. Maltose C. Fructose D. Mannitol E. Glucose A. B. C. D. E. 623. Which of the following is true about Enteropathogenic Causes diarrhea in infants Acts by invasion of intestinal epithelial cells Adults are mostly affected Affects immunocompromised host It can lead to hemolytic uremic syndrome A. B. C. D. E. 624. Which of the following is true regarding Urine culture is +ve in 1st week Stool culture is +ve in 1st week Blood culture is +ve in 3-7 days Widal test is +ve in 1st week Blood culture is +ve in 20days infection? A. B. C. D. E. 625. Which antigen blocks the agglutination of H. Fimbriae Vi О К by 0 antiserum? 626. Which of the following are not true regarding typhoid ? A. Urinary carriers are more dangerous B. Vi ab is used for detecting carrier C. Vi is seen in normal population D. Urine carrier is associated with anomalies E. O antigen is seen in normal population 627. Which toxin is not mediated by C-AMP? A.V. 01 B. Heat stable toxin C.Heat labile toxin D.V. 0137 E. Shigella toxin 628. Which of the following caused traveller's diarrhea? A.Shigella B. C. D. Giardiasis E. Cyclospora A. B. C. D. E. A. B. C. D. E. 629. Which of the following E. Chocolate agar L J medium MacConkey's medium Saline broth Blood agar gives pink color? 630. Which E.coli cause watery diarrhea in children? ETEC EPEC EIEC EAEC EHEC A. B. C. D. E. 631. Which of following performed toxin is not important in food poisoning? Staph aureus Clostridium botulism ETEC B. Cereus Salmonella 632. What is true in E. coli true? ETEC is invasive EPEC acts via cAMP Pilli present in uropathogenic type . ETEC causes HUS Vi antigen A. B. C. D. E. 633. A child with fever with RBCs and pus in stools, What can be causative organism? ETEC EHEC EPEC EAEC EIEC A. B. C. D. E. A. B. C. D. E. A. B. C. D. E. A. B. C. D. E. A. B. C. D. E. 634. Which of following can be recommended as transport medium for stool specimen suspected to contain enteric pathogens? Arnie's medium Buffered glycerol saline medium MacConkey medium Blood agar Chocolate agar 635. Which of the following are not true about V. 0139? Clinical manifestations are similar to Ol El tor First discovered in Chennai Produces 0139 lipopolysaccharide Epidemiologically indistinguishable from Ol El tor Agglutination test is negative 636. Which of the following bacteria acts by increasing AMP? Vibrio cholerae Staphylococcus aureus heat stable toxin Salmonella Shigella 637. Which of following not true about vibrio 0139? Can cause disease in distinguishable from E-, or clinically First isolated in Chennai Has O polysaccharide capsule Antibody to V. is not protective against 0139 Produces 0139 lipopolysaccharide A. B. C. D. E. 638. How does cholera toxin acts in the small intestine? ADP ribosylation of G regulatory protein Inhibition of adenyl cyclase Activation of GTPase Active absorption of NaCl None of them 639. Which antibiotic treatment of choice for treating cholera in an adult is a single dose of? A. Tetracycline B. Cotrimoxazole C. Doxycycline D. Furazolidone E. Penicilline 640. What is effect of cholera toxin is mediated via the stimulation of following second messenger? A. cAMP B.cGMP C. Calcium-calmodulin D. Acetylcholine E. Activation of GTPase 641. Which is the selective media for vibrio? A. TCBS B. Skirrow medium C. Sruart D. MYPE E. MacConkeys medium 642. What is the best suited medium for ? A. Thayer martin B. TCBS medium C. Scirrow medium D. Loeffler's medium E. Blood agar 643. Which endotoxin of the following gram-negative bacteria does not play any part in the pathogenesis of the natural disease? A. Escherichia coli B. Klebsiella sp. C. Vibrio cholerae D. Pseudomonas aeruginosa E. Brucellosis 644. What is the function of Cholera toxin? A. Increases the levels of intracellular cyclic GMP B. Acts through the receptor for opiates C. Causes continued activation of adenylate cyclase D. Inhibits the enzyme phosphodiesterase E. Break down of WBC 645. What is the drug of choice for treating cholera in pregnant women? A. Tetracycline B. Doxycycline C. Furazolidone D. Cotrimoxazole E. Penicilline 646. Which of the following is the drug of choice for chemoprophylaxis of cholera? A. Tetracycline B. Doxycycline C. Furazolidone D. Cotrimoxazole E. Vancomycin A. B. C. D. E. F. 647. What is true about V. ? One attack of gives life-long immu-nity Affects adults and children with equal propensity in nonepidemic regions In between epidemics, carrier states maintain the organism Pathogenicity of 0-139 vibrio is due to O antigen Non motile 648. Which of the following statements about El-Tor Vibrios are not true? Human are the only reservour Can survive in ice cold water for 2-4 weeks Killed by boiling for 30 seconds Enterotoxin can have direct effects on other tissues besides intestinal epithelial cells. E. Has O polysaccharide capsule A. B. C. D. 649. Which toxin acts by ADP ribosylation? A. Botulinum toxin B. Pertussis C. Diphtheria toxin D. E. A. B. C. D. E. 650. What is Cholera transmission? Food transmits Vaccination gives 90% efficiency Air Chlorination is not effective Blood 651. In patient presenting with diarrhea due to vibrio cholera, which of the following will be present? A. Abdominal pain B. Presence of leukocytes in stool C. Fever D. Headache E. Occurrence of many cases in the same locality A. B. C. D. E. A. B. C. D. E. A. B. C. D. E. 652. What is true about epidemiology of cholera? Chemoprophylaxis is not effective Boiling of water cannot destroy the organism Food can transmit the disease Vaccination give 90% protection Can transmit by air 653. A stool examination was carried out which showed organism with darting motility. Which of the following organism may be in stool? V. cholerae Shigella Salmonella Corynebacteria E. coli 654. Which of the following about cholera is true? Invasive Endotoxin is released Recent infections in India are of classical type Vibriocidal antibody titer measures prevalence Gram +ve A. B. C. D. E. 655. What is the function of B subunit of cholera toxin? ADP ribosylation of G protein To bind GM1 ganglioside receptor To stabilize cholera toxin To increase cGMP To bind cAMP A. B. C. D. E. 656. Which of following belong to vibrio cholera? Is strongly anaerobic Grows best at 25°C Has marked tolerance of alkaline pH Grows over a wide range but best at a slight acid pH Obligate anaerobic 657. Which of the following has shortest incubation period? A. Plague B. Cholera C. Measles D. D. Typhoid E. E. Mumps A. B. C. D. E. 658. Which of following doesn`t have peritrichous flagella? A. Bacillus B. Vibrio cholera C. E.coli D. Clostridium E. Salmonella 659. By which of following Cholera toxin acts? Na+ K+ ATPase inhibition Adenylate cyclase stimulation Opening of chloride channel Stimulation of Ca++ channel None A. B. C. D. E. 660. What is true about ? Disease more common in woman Classical vibrio protect against development of 0.13 - strain disease Ej-tor is more milder than classical Erythronycin is used in treatment Airborne disease 661. Which of the following is transport media for cholera? A.VR medium B. LZ medium C. Bile salt agar D. TCBS E. Carry-Blair medium A. B. C. D. 662. Which of the following statement is true about: There is no natural reservoir Transported in alkaline peptone water medium Halophilic Oxidase negative ? E. Gram +ve A. B. C. D. E. 663. Which of the following statements about cholera are not true? O and H antigens measure carrier state Culture medium is TCBS agar Produces indole and reduces nitrate Synthesize neuraminidase Non-motile A. B. C. D. E. 664. Which of the following statements are not true for El- tor cholera? Infection is mild and asymptomatic They are resistant to polymyxin-B unit dike Chronic carriers are common Secondary attacks rate is high in families Fecal-oral transmission 665. Ogawa Inawa and Hikojima are the serotypes of which bacteria? A. Yersina B. Vibrio cholerae C. E Coli D. Salmonella typhi E. Shigella 666. What is the selective plating medium for V. cholera? A. Carry-Blair medium B. TCBS agar C. VR medium D. MacConkey medium E. Blood agar 667. What is not true about cholerae? A. Incubation period range from 1-5 days B. Produces isotonic diarrhea C. Cholera toxin plays principal role D. Antibodies 01 cholera provides protection against 0139 serotype also E. Motile 668. Which organism grows in alkaline pH? A. Vibrio B. Klebsiella C. Pseudomonas D. E.coli E. Salmonella 669. Which of following doesn`t cause invasive infection? A. V. cholera B. Neisseria C. Streptococci D. D. H. influenza E. E. Candida 670. What is true about cholera? A. Gram negative rod B. Associated with fever C. Causes painful watery diarrhea D. It is an achlorhydria which renders an individual susceptible to disease E. Gram positive rod A. B. C. D. E. 671. Which are not true statement regarding pertussis? Secondary attack rate averages 90% in unimmunized contacts Incubation period is around 14 days Erythromycin is the drug of choice Can affect people of any age Main source of infection is chronic carriers 672. A veterinary doctor had pyrexia of unknown origin. His blood culture in special laboratory media was positive for gram-negative short bacilli which was oxidase positive. Which one of the following is the likely organism grown in culture? A. Pasturella spp. B. Francisella spp. C. Bartonella spp. D. Brucella spp. E. Salmonella spp. 673. A farmer presenting with fever off and on for the past 4 years was diagnosed to be suffering from chronic Brucellosis. Which of the following serological tests wouldnotbehelpful in the diagnosis at this state? A. Standard agglutination test B. 2-mercapto-ethanol test C. Complement fixation test D. Coomb's test E. PCR A. B. C. D. E. A. B. C. D. E. A. B. C. D. E. A. B. C. D. E. A. B. C. D. E. 674. Brucellosis can’t be transmitted by which of the following modes? Contact with infected placenta Ingestion of raw vegetables from infected farms Person to person transmission Inhalation of infected dust or aerosol By milk 675. Brucella is transmitted by which of the following means? Through placenta of animals Person to person transmission Aerosol Eating uncooked food By inhalation 676. A farmer rearing sheep, presented with complaints of fever and weakness for the last one month. There is generalised lymphadenopathy. There was also associated hepatomegaly Biopsy of liver showed non-caseating granuloma. Which of the following is most likely infection? Yersinia pesitis Brucella canis Francisella tularensis Brucella melitensis Bacillus anthrasis 677. Regarding Brucellosis, which of these are not true? Man to man transmission A zoonosis Blood cultures used in diagnosis Transmitted via animal products By air 678. Which is not true about brucella? B. abortus is capnophilic Transmitted by aerosol can occur occasionally Paesturisation destroys it 2 ME is used to detect IgA Zoonosis 679. Brucella melitensis is found in which animal? A. Cattle B. Camel C. Sheep D. Goat E. Reindeer 680. Which of the following is not virulence factor of pertussis? A. Tracheal cytotoxin B. Pertusis toxin C. Capsule D. Pertactin E. FHA 681. For pathogenicity testing of which bacteria mouse is used? A.M. Tuberculosis B. Bordetella pertussis C. C. diptheriae D.Brucella E. E.coli A. B. C. D. E. 682. Which organism caused whooping cough? B. pertussis H. influenzae Pneumococcus Meningococcus Streptococcus 683. Which does not have a known animal reservoir? Brucella melitensis Bordettela pertussis Pasturella multocida Francisella tularensis Yersinia pestis A. B. C. D. E. 684. Which organism caused Chancroid? H. ducreyi T. pallidum Gonococcus HSV B.melitensis A. B. C. D. E. 685. Lice are not the vectors of which desease? Relapsing fever 4 Q fever Trench fever Epidemic typhus Scarlet fever A. B. C. D. E. 686. What is not true about scrub typhus? Causative organism is R.TSUTSUGAMOSHI Vector is trombiculide mite Adult female feeds on vertebrate hosts Tetracycline is the drug of choice Regional lymphadenopathy A. B. C. D. E. 687. A patient complained of chills and fever following a louse bite 2 weeks before. He had rashes all over the body and was delirious at the time of presentation to the hospital and subsequently went into coma. A provisional diagnosis of vasculitis due to rickettsial infection was made. Which one of the following can be the causative agent? Rickettsia typhi Rickettsia rickettsiae Rickettsia prowazekii Rickettsia akari B.melitensis A. B. C. D. E. 688. Which of the Q fever? A. It is a zoonotic disease following statement are not true regarding B. Human disease is characterized by an interstitial pneumonia C. No rash is seen D. Weil Felix reactions is very useful for diagnosis E. Cannot cultivated on solid media A. B. C. D. E. 689. Which of the following statements is ic typhus? Is caused by Is transmitted by bites of fleas Has no mammalian reservoir Can be cultured in chemical defined culture medium Can transmited by air true about endem- 690. What is true regarding endemic typhus? A.Man is the only reservoir of infection B. Flea is a vector of the disease C. The rash developing into eschar is a characteristic presentation D. Culture of the etiological agent in tissue culture is a diagnostic E. Cultivation on agar 691. Which of the following is the etiological agent of Rocky Mountain spotted fever? A. B. C. D. E. R. rickettsii Rochalimae quintana R. tsutsugamushi Coxiella bumetti Moraxella 692. Regarding infection of the eyes, what is not true statement? A. Mostly asymptomatic B. Can be cultured C. Inclusion conjunctivitis is an acute ocular infection caused by sexually transmitted strains (usually serovars D through K) D. Penicillin is the treatment E. Cultivated on culture media A. B. C. D. E. 693. In a patient with UTI; on smear, no bacteria are found on gram stain with abundant pus cells, to demonstrate organism, which of the following is useful? McCoy cell line Thayer martin medium L. J. medium Acid fast staining Blood agar A. B. C. D. E. 694. Which of the following is not true regarding Has biphasic life Elementary body is metabolically active Reticulate body undergoes binary fission Once it invades into cell it abates phagolysosomal fusion Spherical shape A. B. C. D. E. A. B. 695. Which of the following does not cause Chlamydia? Q. fever Non-gonococcal urethritis Trachoma Salpingitis Psittacosis 696. Which of the following is not a method of isolation of clinical specimes? Yolk inoculation Enzyme immunoassay ? from C. D. E. Tissue culture using irradiated McCoy Tissue culture using irradiated BHK cells Animal inoculation A. B. C. D. E. 697. Which of the following statements are not true regarding Erythromycin is effective for therapy of Chlamydia, infections Their cell wall lacks a peptidoglycan layer They can grow in cell free culture media They are obligate intracellular bacteria Gram negative coccobacilli A. B. C. D. E. 698. A man presents to STD clinic with urethritis and urethetral discharge. Gram stain shows numerous pus cell but no microorganism. Culture is negative on routine laboratory media. Which is the most likely agent? Chlamydia trachomatis H. ducreyi T. pallidum N. Gonorrhoeae Mycoplasma 699. In which of the following cell lines doesn’t grow A. HeLa B. HeP2 C. McCoy D. Human diploid fibroblast E. HL 700. Isolation of Chlamydia from tissue specimen can be done by which of following? A. ELISA (Enzyme Linked Immune Assay) B. Yolk sac inoculation C. Direct Immunofluorescence Antibody test (DFA) D. Polymerase Chain Reacton (PCR) E. LCR 701. Which of the following statement is not true regarding Chlamydia Trachomatis: A. Elementary body is metabolically active B. It is biphasic C. Reticulate body divides by binary' fission D. Inside the cell it evades phagolysome E. By complex procces 702. A male patient with symptoms of urethritis. Examination reveals only pus cells without any organism. What is the most likely cause? A. Chlamydia trachomatis B. H. ducreyi C. Treponema pallidum D. M. tuberculi E. N.Gonorrhea 703. How mite transmits? A. Scrub typhus B. B. Trench fever C. Endemic typhus D. Epidemic typhus E. Typhoid 704. Which of the following infection doesn`t cause Chlamydia trachomatis? A. Pneumonia B. Rhinitis C. Conjunctivitis D. Urethritis E. Sinusitis 705. Which of following doesn`t cause Chlamydia trachomatis? Ophthalmia neonatorum Lymphogranuloma venereum Q-fever Trachoma Cervicitis 706. Which of following Chlamydia trachomatis does not cause? A. Cervicitis B. Salpingitis C. Vulvitis D.Urethritis E. Ophthalmia A. B. C. D. E. 707. How Rickettsia prowazekii is transmitted? A. Fleas B. Mites C. Tick D.Louse E.Mouse 708. Which of the following statement are not true about rickettsial? A. These are transmitted by arthropod vectors B. Eschar is not seen in RMSF C. Well Felex reaction may be diagnostic D. Cephalosporins are drug of choice E. Cultivated on solid media A. B. C. D. E. A. B. C. D. E. A. B. C. D. E. A. B. C. D. E. A. B. C. D. E. 709. Chlamydia trachomatis is the causative agent for which trachoma:? Is a yeast Is an intracellular organism Forms extracellular bodies which are diagnostic Is never demonstrable in conjunctival scrapings Free living organism 710. Which of the following is an obligate intracellular parasite? Mycoplasma Chlamydia trachomatis Gram -ve bacilli Gram +ve cocci Staphyloccoccus 711. Transovarian transmission is seen in which of following? Ricketssiae Clamydia Mycoplasm Both None 712. Inclusion body is seen in which of following? Rickettsiae Chlamydia Mycoplasma H. Pylori Cryptococcus 713. Congenital syphilis can be diagnosed by which test? IgMFTABS IgGFTAABS VDRL TPI Microscopy 714. False +ve VDRL is seen in which of following? A. B. C. D. E. Lepromatous leprosy Infectious mononucleosis HIV Pregnancy IV drug user 715. Chancre redux' is a clinical feature of which of following? A. Early relapsing syphilis B. Late syphilis C. Chancroid D. Recurrent herpes simplex infection E. 716. A 23-year-old male had unprotected sexual intercourse with a commercial sex worker. Two weeks later he developed a painless, indurated ulcer on the glans that exudated clear serum on pressure. Inguinal lymph nodes in both groins were enlarged and non-tender. What is the most appropirate diagnostic test? A. B. C. D. E. Gram's stain of ulcer discharge Dark field microscopy of ulcer discharge Giemsa stain of lymph node aspirate ELISA for HIV infection Agglutination test 717. Spirochaetes is among of which of the following? A. Syphilis B. Legionella C. Mycoplasma D. Brucella E. Bordetalla 718. What is not true about primary chancre? A. Painless ulcer B. Painless lymphadenopathy C. Covered with exudate D. Indurated lesion E. Organism can be cultured from exudative fluid 719. A male patient presented with agitation, restlessness and neck stiffness. He had undergone treatment for penile ulcer - 3 years back. Lab investigation used for prognosis of treatment? A. TPI B. VDRL C. FTA-ABS D.Dark field microscopy E. Non-venereal Treponemas 720. A bacterial disease with 3 'R's i.e. rats, rice fields and rainfall is? A. Leptospirosis B. Plague C. Melioidosis D. Rodent bite fever E. Brucellosis 721. Which of the following statements are not true regarding leptospirosis? A. It is a zoonosis B. Man is the dead end host C. Man is an accidental host D. Lice acts as reservoir of infection E. Source of infection are rats, dogs 722. 20-year-old boy has admitted with history of fever, icterus, conjunctival suffusion and hematuria for 20 days. Which of the following serological test can be of diagnostic utility? A. B. C. D. E. A. B. C. D. E. A. B. C. D. E. A. B. C. D. E. A. B. C. D. E. Widal test Microscopic agglutination test Paul-Bunnell-test Weil-Felix reaction CFT 723. Which of the following not used for diagnosis of Leptospirosis? Microscopic agglutination test Dark field illumination Macroscopic agglutination test Weil felix reaction Direct fruorocent 724. What is true regarding leptospirosis? Rats are the only reservoirs Fluroquinolones are the DOC Person to person transmission rare Hepatorenal syndrome occurs in 50% cases Ampicilin is used 725. Which one of the following microorganisms uses antigenic variation as a major means of invading host defenses? Streptococcus pneumonia Borrelia recurrentis Mycobacterium tuberculosis Listeria monocytogenes Brucellamelitensis 726. Which of the following species of borrelia cause relapsing fever? Borrelia recurrentis Borrelia hermsii Borrelia turicatae Borrelia duttonii B.Parkeri 727. What is incubation period of syphilis? A. 1hour-5hour B. 1 day-10 days C. 24 hour-48 hour D. 10 days -90 days E. 5 days-10 days 728. Borrelia undergoes antigenic variation due to which following? A. Plasmids B. Transposons C.Intrinsic mutation D.All of the above E.None of them 729. Who is reservoir of leptospira? A. Cat B. Dog C. Rat D. Monkey E. Donkey A. B. C. D. E. 730. What is true about B. recurrentis? Causes leptospirosis Water borne disease Vector borne disease Transmitted by tick Air borne disease 731. What is determined by microscopic examination of tuberculosis? A. Serotype B. Biovar C. Acid resistance D. Delayed hypersensitivity E. Virulence factors 732. What express bacteriological method is used to diagnose tuberculosis? A. Cultivation on egg’s medium B. Cultivation on citrate blood C. Rabbit inoculation D. Guinea pig inoculation E. Cultivation on synthetic medium Clinical Virology 733. What can be used for the cultivation of influenza virus? A. Synthetic media B. Blood agar C. Cell culture D. CMB E. Nutrient broth 734. What is the mechanism of transmission of influenza infection? A. Blood transfusion B. Airborne C. transmissive D. Fecal-oral E. Injection 735. What family does the parainfluenza viruses belong to? A. Picornavirus B. Togavirus C. Orthomyxovirus D. Paramyxoviruses E. Herpes viruses 736. What form does the parainfluenza viruses have? A. Threaded B. Spherical C. Rod-shaped D. Cubic E. Icosahedron 737. What is the parainfluenza virus genome represented? A. Single-stranded RNA B. Double stranded DNA C. single stranded DNA D. Double stranded RNA E. Defect DNA 738. What is the materials for research of influenza? A. Excrement B. Nasopharyngeal discharge C. Sputum D. Bile E. Cerebrospinal fluid 739. By which method rapid diagnosis of influenza is made? A. Immunofluorescence B. Immunoblotting C. Microcultures Price D. Chicken embryo infection E. Hemagglutination 740. In which reaction the identification of the influenza virus is carried out? A. Inhibition of hemagglutination B. Agglutination C. Light microscopy D. Agglutination E. Ring Reciprocations 741. What is used for the specific treatment of influenza? A. Antigrippin B. Rimantadine C. Immunoglobulin D. Anatoxin E. Sulfanilamide drugs 742. What is the mechanism of transmission of parainfluenza virus? A. Transplacental B. Sexual C. Airborne D. Fecal-oral E. Transmissive 743. What is character for the clinical course of parainfluenza? A. Tenezmy B. Pneumonia with the development of croup C. Diarrhea D. Endometritis E. Orchit 744. What is used for the treatment and prevention of adenovirus infection? A. Interleukin B. Live and dead vaccines C. Reverse Transcriptase Inhibitors D. Antibiotics E. Serum 745. For which family mumps virus belongs to? A. Togavirus B. Picornavirus C. Orthomyxovirus D. Herpes viruses E. Paramyxoviruses 746. Through what does infection with parotitis virus occurs? A. Water B. Soil C. Liquor D. Saliva E. Products 747. What is mumps virus in the body affects? A. Lung tissue B. Gastrointestinal tract C. Parotid glands D. Spleen E. Hepatic tissue 748. What is the most characteristic clinical manifestations of parotiditis? A. Angina B. Orchit C. Diarrhea D. Cholecystitis E. Gastroenterit 749. Whaich complications may develop in case of epidemic parotitis? A. Hepatitis B. Infertility C. Endocarditis D. Mastitis E. Herpangina