MCB2340C Section 08 General Microbiology Module 03 - Disease and Resistance: Integument, Respiratory, and Gastrointestinal Systems | Download To Score An A

MCB2340C Section 08 General Microbiology Module 03 - Disease and Resistance: Integument, Respiratory, and Gastrointestinal Systems Question 1 1 out of 1 points The type of DNA mutation that can cause the alteration of every amino acid after the mutation occurs is called: Selected Answer: Correct Frameshift mutation Answers: Point mutation Missense mutation Nonsense mutation Correct Frameshift mutation Silent mutation Question 2 0 out of 1 points Which of the following infectious diseases is considered a newly emerging disease? Selected Answer: Incorrect Drug-resistant tuberculosis Answers: Drug-resistant tuberculosis Correct Ebola Influenza Measles Question 3 1 out of 1 points The family of viruses that includes the chickenpox, shingles, and mononucleosis viruses is known as: Selected Answer: Correct Herpesviridae Answers: Correct Herpesviridae Picornaviridae Adenoviridae Flaviviridae Question 4 1 out of 1 points Iatrogenic infections are healthcare-associated and are a direct result of the use of medical procedures. Selected Answer: CorrectTrue Answers: CorrectTrue False Question 5 0 out of 1 points Methicillin-resistant Staphylococcus aureus (MRSA) is generally harmless on intact, healthy skin but can cause infections if introduced into other parts of the body. Selected Answer: IncorrectFalse Answers: CorrectTrue False Question 6 1 out of 1 points A rare inflammatory disease that can develop as a complication following Strep throat is Selected Answer: Correct Rheumatic fever Answers: Endocarditis Correct Rheumatic fever Nephritis Cytomegalovirus Question 7 1 out of 1 points Different strains of herpes simplex virus (HSV-1 and HSV-2) are responsible for oral and genital herpes but they both can infect any mucous membrane in the body. Selected Answer: CorrectTrue Answers: CorrectTrue False Question 8 1 out of 1 points Inanimate objects such as doorknobs, toys, TV remotes, cell phones, and towels may harbor microbes and aid in disease transmission. These objects are called: Selected Answer: Correct Fomites Answers: Vectors Correct Fomites Episomes Elements Question 9 1 out of 1 points Which of the following infectious diseases is considered a newly emerging disease? Selected Answer: Correct Zika Answers: Malaria Smallpox Rabies Correct Zika Question 10 1 out of 1 points Many peptic ulcers are due to Selected Answer: Correct Helicobacter pylori Answers: Paramyxovirus Streptococcus mitis Salmonella enterica Correct Helicobacter pylori Question 11 1 out of 1 points The stages of pathogenesis include Selected Answer: Correct All the given answers Answers: Exposure (contact) Adhesion (colonization) Invasion Infection Correct All the given answers Question 12 1 out of 1 points The human pinworm, Enterobius vermicularis, is transmitted via the route. Selected Answer: Correct fecal-oral Answers: droplet airborne waterborne Correct fecal-oral Question 13 1 out of 1 points Horizontal gene transfer is an important way for asexually reproducing organisms like prokaryotes to acquire new traits. Selected Answer: CorrectTrue Answers: CorrectTrue False Question 14 0 out of 1 points The stages of pathogenesis include all EXCEPT: Selected Answer: Incorrect The pathogen must cause damage to the host Answers: the pathogen must gain entry to the host Correct The pathogen must be capable of fermentation The pathogen must evade or overcome the host’s immune response The pathogen must cause damage to the host Question 15 1 out of 1 points Which of the following factors can influence the emergence or re-emergence of infectious diseases? Selected Answer: Correct All of the given answers Answers: Climate, weather, and natural disasters Industrialization Bioterrorism and biowarfare Correct All of the given answers Question 16 0 out of 1 points Horizontal gene transfer is an important way for sexually reproducing organisms like prokaryotes to acquire new traits. Selected Answer: IncorrectTrue Answers: True CorrectFalse Question 17 0 out of 1 points Which of the following sequences would result from the replication of the following DNA sequence: 5’- ATTGCTGGA-3’ Selected Answer: Incorrect 3’-TAACGTCCA-5’ Answers: 3’-ATTGCTGGA-5’ 3’-TTACCGCCA-5’ Correct 3’-TAACGACCT-5 3’-TAACGTCCA-5’ Question 18 0 out of 1 points The virulence factors of bacteria include Selected Answer: Incorrect Size, adhesion, resistance, mutation Answers: Size, adhesion, resistance, mutation Correct Toxins, exoenzymes, adhesins Toxins, evasion of body defenses, motility, size Colonization, chemotaxis, fermentation, toxins Question 19 1 out of 1 points Many peptic ulcers are due to Selected Answer: Correct Helicobacter pylori Answers: Salmonella typhi Correct Helicobacter pylori Shigella boydii Salmonella enterica Question 20 1 out of 1 points Which of the following opportunistic pathogens is a causative agent for skin infections and toxic shock syndrome? Selected Answer: Correct Staphylococcus aureus Answers: Staphylococcus epidermidis Correct Staphylococcus aureus Escherichia coli Bacillus subtilis Question 21 1 out of 1 points Acute glomerulonephritis is a late-developing consequence of which of the following diseases? Selected Answer: Correct Streptococcal pharyngitis (strep throat) Answers: Correct Streptococcal pharyngitis (strep throat) Influenza Rhinosinusitis Pneumonia Question 22 1 out of 1 points The viruses that cause chickenpox, shingles, and Epstein-Barr virus belong to which family of DNA viruses? Selected Answer: Correct Herpesviridae Answers: Correct Herpesviridae Papovaviridae Adenoviridae Poxviridae Question 23 0 out of 1 points The opportunistic pathogen often responsible for causing necrotizing fasciitis (also known as the "flesh- eating bacteria") in healthy young adults is called: Selected Answer: Incorrect Staphylococcus epidermis Answers: Staphylococcus epidermis Correct Streptococcus pyogenes Bacillus subtilis Streptococcus pneumoniae Question 24 1 out of 1 points Which of the following differential stains is generally used for the diagnosis of tuberculosis (TB)? Selected Answer: Correct Acid-fast stain Answers: Simple stain Correct Acid-fast stain Gram stain Negative stain Question 25 1 out of 1 points This most common cause of infectious diarrhea in infants and children has a preventative vaccine that is recommended for infants is: Selected Answer: Correct Rotaviruses Answers: Noroviruses Adenoviruses Correct Rotaviruses Caliciviruses Question 26 1 out of 1 points Which of the following infectious diseases is considered a newly emerging disease? Selected Answer: Correct Zika Answers: Correct Zika Malaria Polio Rabies Question 27 1 out of 1 points Anyone can be carrying around methicillin-resistant Staphylococcus aureus (MRSA) and may not be exhibiting signs of infection. Selected Answer: CorrectTrue Answers: CorrectTrue False Question 28 1 out of 1 points Biofilms are especially relevant to skin infections because of their prevalence in chronic skin wounds are always composed of a single genus of bacteria that have formed a biofilm. Selected Answer: CorrectFalse Answers: True CorrectFalse Question 29 1 out of 1 points Which of the following opportunistic pathogens is a causative agent for skin infections and toxic shock syndrome? Selected Answer: Correct Staphylococcus aureus Answers: Staphylococcus hominis Correct Staphylococcus aureus Micrococcus luteus Escherichia coli Question 30 0 out of 1 points Staphylococcus aureus is a particularly dangerous opportunistic pathogen because it can often be enhanced by specific characters which include all but which of the following: Selected Answer: Incorrect They can produce hemolysins which are cytotoxic for skin cells and white blood cells Answers: They can produce hemolysins which are cytotoxic for skin cells and white blood cells They can produce coagulase which is involved in abscess formation They can produce leucocidins which kill white blood cells and can inhibit phagocytosis Correct They have flagella that allow them to move around a host easier Question 31 1 out of 1 points This common helminth is commonly associated with raw or undercooked fish, including contaminated sushi: Selected Answer: Correct Tapeworm, Diphyllobothrium latum Answers: Correct Tapeworm, Diphyllobothrium latum Pinworm, Enterobius vermicularis Hookworm, Necator americanus Roundworm, Ascaris lumbricoide Question 32 0 out of 1 points The process by which small fragments of soluble DNA from the surrounding environment are taken in by a bacterium and inserted into the chromosome is called conjugation. Selected Answer: IncorrectTrue Answers: True CorrectFalse Question 33 1 out of 1 points The transfer of resistance plasmids (R plasmids) from one bacterial cell to another through a pilus is called Selected Answer: Correct Conjugation Answers: Transduction Transformation Correct Conjugation Changeover Transmutation Question 34 1 out of 1 points The process by which small fragments of soluble DNA from the surrounding environment are taken in by a bacterium and inserted into the chromosome is called transduction. Selected Answer: CorrectFalse Answers: True CorrectFalse Question 35 1 out of 1 points Only bacteria are found as part of healthy skin microbiota. Viruses and fungi are never found on the skin of a healthy human as part of the normal skin microbiome. Selected Answer: CorrectFalse Answers: True CorrectFalse Sunday, November 29, 2020 2:18:13 PM CST OK Show Less