Microbiology: An Introduction
12th Edition
ISBN: 9780321929150
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: PEARSON
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Chapter 25, Problem 6MCQ
Summary Introduction
Introduction:
Diseases that are transmitted through water are referred as water-borne diseases. Presence of feces in drinking water is the most hazardous form of water pollution. V. cholerae, a gram negative comma shaped bacteria, is the etiological agent of the deadly infectious disease known as cholera.
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Which of the following statements is correct?
a.
Serial interval is the length of time a person can transmit or shed an infectious agent
b.
Contamination of the drinking water source of a community by infectious agent(s) will likely result in a continuous common source epidemic
c.
It is not possible for people who have not shown symptoms of measles yet, to transmit measles infection
d.
Mary Mallon was a chronic carrier of Vibrio cholerae
Which among the following diseases has the
incubation period of 7hours to 7 days?
a.shigellosis
b cholera
c. amoebiasis
d.typhoid fever
The main vector of genus Leptospira is;
a rat
b rabbit
c pig
d chicken
0
Which of these infections involves a life cycle that requires more than one host species other than humans? a. rabies b. cholera c. West Nile fever d. all of the above
Chapter 25 Solutions
Microbiology: An Introduction
Ch. 25 - Complete the following table:Ch. 25 - Complete the following table:Ch. 25 - DRAW IT Identify the site colonized by the...Ch. 25 - Prob. 4RCh. 25 - Prob. 5RCh. 25 - Explain how the following diseases differ and how...Ch. 25 - Prob. 7RCh. 25 - Complete the following table:Ch. 25 - Look at life cycle diagrams for human tapeworm and...Ch. 25 - Prob. 10R
Ch. 25 - Prob. 1MCQCh. 25 - Prob. 2MCQCh. 25 - Prob. 3MCQCh. 25 - Gastric ulcers are caused by a. stomach acid. b....Ch. 25 - Microscopic examination of a patients fecal...Ch. 25 - Prob. 6MCQCh. 25 - Identification is based on the observation of...Ch. 25 - Prob. 8MCQCh. 25 - Prob. 9MCQCh. 25 - This microbe is frequently transmitted to humans...Ch. 25 - Why is a human infection of trichinella considered...Ch. 25 - Complete the following table:Ch. 25 - Match the foods in column A with the microorganism...Ch. 25 - Which diseases of the gastrointestinal tract can...Ch. 25 - Prob. 1CAECh. 25 - Prob. 2CAECh. 25 - Prob. 3CAECh. 25 - Three to 5 days after eating Thanksgiving dinner...
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- Which organism is the most common cause of hematogenous osteomyelitis in sickle cell patients?a. Haemophilus influenzab. Staphylococcus aureusc. Group B streptococcid. Salmonellae. Bacillus anthracisarrow_forwardSoil mycobacteria can be the cause ofa. tuberculosis b. leprosy c. fish tank granuloma d. erysipeloidarrow_forwardMatch column A to Barrow_forward
- Which of the following is a true statement about food-borne infections? a. Hepatits B is frequently food-borne. b. E. coli outbreaks are nearly always caused by tainted ground beef. c. All E. coli are pathogenic. d. Shellfish can be contaminated with Vibrio cholera from their water source.arrow_forward1. A. Define “epidemic”.B. Define “pandemic”. C. Have any pandemics occurred since the 1918 pandemic? If so, name and date them.2. A. Why was the flu pandemic of 1918-19 called the “Spanish flu”?B. Why did some people refer to this flu pandemic as the “swine flu”? 3. Describe how the flu pandemic originated (Where? When? How?).4. A. Which population group was most at risk for becoming infected? Choose one: babies/infants OR kids 2-18 OR 20-40 years OR 40 – 60 years OR older than 60 (elderly)B. Do scientists know why this specific age group was prone to infection and illness? Explain your answer.5. There were 3 “waves” of the flu during 1918-1919. Describe what a pandemic “wave” is and what causes it.6. What is the most likely means by which the Spanish flu was transmitted from one person to another?7. Describe the role that World War I play in the spread of the flu virus and efforts to contain it.8. How did the Spanish flu become a pandemic? Describe 3 ways in which the virus was…arrow_forwardOn the other hand,a patient who passes of mucoid-stool is suspected of; a.cholera b typhoid fever c shigellosis d amoebasis Which among the following diseases has the incubation period of 7hours to 7 days? a.shigellosis b cholera c. amoebiasis d.typhoid fever The main vector of genus Leptospira is; a rat b rabbit c pig d chickenarrow_forward
- Nonearrow_forwardWhich infectious agent of those covered in the chapter would mostlikely be acquired from a contaminated doorknob?a. Staphylococcus aureus b. Streptococcus pyogenes c. Neisseria meningitidis d. Streptococcus pneumoniaearrow_forwardWhich of the following types of patients should be placed into protective isolation? Select one: a. A leukopenic patient b. A patient with pneumonic plague c. A patient with tuberculosis d. A patient infected with MRSAarrow_forward
- Well-water gets contaminated by farm animals, and the water causes gastroenteritis in those that drink it. What sort of transmission do you think this is? a. direct contact transmission b. vehicle transmission c. indirect contact transmission d. biological vector transmissionarrow_forward80. Which of the following is characterized by a horizontal mechanism of transmission via direct contact?A. GastroenteritisB. Giardiasis C. TetanusD. Tuberculosis 81. Which of the following may produce an epidemic curve characteristic of a point source outbreak?A. Gastroenteritis brought about by a virus horizontally transmitted via direct contactB. Gastroenteritis caused by a sewage system leaking into a town’s water supplyC. Gastroenteritis due to a contaminated batch of packaged food in grocery storesD. Gastroenteritis from a contaminated food item shared during a single mealarrow_forwardWhich of the following is NOT a toxin that contributes to foodborne illnesses? A. Heavy metal toxins B. Plant toxins C. Neurotoxins D. Mycotoxinsarrow_forward
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