BIOL 200 Exam 7 Infectious Disease Prep Test 2025, Exams of Laboratory Practices and Management

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BIOL 200 Exam 7 Infectious Disease Prep Test 2025

Staphylococcus aureus can cause all of the following skin diseases except. a. Acne b. Impetigo c. Sealded skin syndrome d. Folliculitis- ANSWERa Which is not a product that is associated with Staphylococcus aureus pathogenicity? a. Protein A b. Caagulase c¢. Leukocidin d. Endotoxin - ANSWER-d Group A Streptococcus can rapidly spread through infected and damaged tissues because of... a. Streptokinase b. M protein c. Deoxyribonucleic acids Treatment for necrotizing fasciitis caused by Streptococcus pyogesnes Is... a. Administration of IV broad-spectrum antimicrobial drugs b. Interferon therapy c. Penicillin and anti-gA protease d. Bed rest and IV fluids - J Pathogenic slrepLococcus pneumonia colonizos the... a. Skin b. Mouth c. Lung Mast bacillus sp s arc facultalive anacrobes, while organisms in genus Clostridium are... a. Acrobes b. Anaerobes c. Microacrophiles d. Capnophiles - ANSWER-b Because of gonorrhea in women is frequenly asymptomatic, untreated infections can lead to... d. Lipid A- ANSWERD Salmonella infections are most commonly associated with the consumption of... a. Undercooked beef b. Water contaminated with sewage c¢. Food contaminalod with animal [cces d. Undercooked eggs - ANSWER-c Which of the following are hosts for salmonella enterica serotype typhi? a. Reptiles b. All mammals c. Humans d. AandB- ANSWER Which of the following statements about Neisseria meningitis is false? a. It is a gram positive anaerobe b. A iealthy carrier stale can exist c. It is encapsulated d. Transmission by a droplet aerosol/direct contact with secretions - ANSWER-a Which of the following statements about leprosy is FALSE? a. It is transmitted by direct contact b. It is rarely fatal c. Diagnosis is based on skin biopsy The symptoms of Lotanns are duc to... a. Endospore formation b. Sustained relaxation of muscles c. Telanospasmin d. Inflammation - ANSWER-c Which of the following is treated with antibiotic? a. SirepLococcal pneumonia b. Botulism c. Telams d. All- ANSWER-a Vaccination is available for all of the following except... a. Botulism b. Neisseria meningitis This gram-negative, rod-shaped bacterial speies is responsible for bubonic plague. a. Y. pestis b. H. pylori c. P. aeruginosa dC. perfringens e. N. gonorrhea - ANSWER-a This is a helical-shaped bacteria that tolerates acidic environments and is responsible for most stomach ulcers. a. Y. pestis b. H. pylori c. P. aeruginosa d. C. perfringens e. N. gonorrhea - ANSWER-b A family of gram-negative, rod-shaped bacteria that can penetrate the intestinal lining and cause bloody diarrhea. a. Staphylococei b. Pseudomonas c. Shigella d. Helicobacter e. Streptococe! - ANSWERc One third of the world's population would test positive for a chronic infection with characteristic lesions that harden/calcify & scar lung tissues - this disease is the leading cause of death for those with HIV. a. Tuberculosis b. Pneumonia c. Strep d. Influenza e. Hepatitis - ANSWER-a C. botulinum secretes a protein that specifically targets neuromuscular junctions that can cause muscle paralysis. Such a protein is an example of a... a. Lipopolysaccharide b. Endotoxin c. Hemolysin d. Exotoxin e. Erythrogen - . This spirachete bacteria is responsible for syphilis. a. T. gondii b. C. trachomatis a. Toxic-shock syndrome b. endocarditis c. bacteremia Streplococens progenies produces , which can cause [over, rashes, and shock in palicnts infected with this organism. a. pyogenic toxins b. pyrogenic Loxins ¢. streptokinase WER-b Treatment for necrotizing fasciitis caused by Streptococcus progenies is a. Removal of affected tissue and administration of intravenous broad-spectrum antimicrobial drugs b. Interferon therapy c. Penicillin and anti-gA protease d. Bed rest and IV fluids- ANSWERa Treatment with broad-spectrum antibiotics can lead to the overgrowth of __, which causes pscudomembranons colitis. a. Clostridium botulinum b. Clostridium tetani c. Clostridium difficile d. Mycobacterium leprae - ANSWER-c Tetanospasmin, a toxin produced by Clostridium retain, causes tetanus by acting on neurons in the to block the relaxation of muscles. a. Peripheral Nervous System b. Autonomic Nervous System ¢. Central Nervous System d. Inhibitory Nervous System - ANSWER-c Which of the following statements regarding toxins produced by Clostridium botulinum is NOT correct? a. They are extremely sensitive to heat b. They are resistant to stomach acid c. They are among the deadliest biological toxins known d. They prevent the release of acetylcholine - ANSWERa The lesion that forms in primary tuberculosis, in which infected cells are walled off by a combination of macrophages and collagen fibers is called a a. Mycosome D. E. coli 0157:H?7 - ANSWER-b Unlike other members of its genus, Yersinia pests can be transmitted by all of the following modes EXCEPT . a. Direct contact b. Aerosol c. Fecal-oral d. Flea vectors - ANSWER-c Pseudomonas acruginosa forms a(n) that allows it to persist in patients wilh cystic fibrosis and makes it resistant to many disinfectants and antibacterial drugs. a. Capsule b. Biofilm c. Thick outer membrane d. Endospore - ANSWER-b Rickettsial organisms are transmitted by a. Aerosol b. Contaminated food c. Arthropods d. mechanical vectors - ANSWERc Rickettsia rickettsia is the causative agent of a. Endemic typhus b. Rocky Mountain spotted fever c. Epidemic typhus d. Brill-Zinsser disease - ANSWER-b Helicobacter pylori is able to colonize the stomach because it produces the enzyme urease, which a. Makes lhe stomach alkaline b. Digests the stomach acid c. Allows the organism to penetrate tl e mucosa d. Neutralizes the stomach acid - In order to prevent shock and death due to Vibrio cholera infections, physicians should a. Administer fluids and electrolytes b. Administer antibacterial drugs c. Perform intestinal washes d. Replace lost erythrocytes - ANSWERa Why are Vibrio that are shed in the feces more virulent than those naturally in aquatic environments? c. The flagella le beneath the outer membrane A physician diagnoses a patient with lepromatous Hansen's disease. All of the following pertain to the patient EXCEPT . a. Disfiguring nodules form all over the body b. The disease has progressed from the tuberculoid stage. c. The infection probably occurred as a result of prolonged contact with another infected individual. “Rice Water Stools” are a characteristic of what? a. Salmonellosis b. Cholera ¢. Botulism d. Leprosy - ANSWER-b