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Exam 5- Microbiology- Fall 2020

Terms in this set (60)

Which of the following statements is TRUE regarding tuberculosis?
It remains viable in dried aerosol droplets for up to eight months
Which is a true statement about vaginosis and vaginitis?
Vaginitis describes vaginal inflammation while vaginosis does not
The microbe which causes primary atypical pneumonia is?
Mycoplasma pneumoniae
Changes in the influenza virus that could lead to pandemics is usually a result of?
Antigenic drift
Both Ancylostoma and Necator represent which type of worms?
Hookworms
Why are nearly all AIDS patients at risk of developing Pneumocystis pneumonia?
Pneumocystis jiroveci is a common member of the respiratory microbiome in humans and opportunistic pathogen
Inhalation anthrax is frequently fatal even with antibiotic therapy because
The anthrax toxin triggers necrosis and severe edema of the lungs
Which of the following is a common cause of otitis media?
Streptococcus pneumoniae
A 30-year-old woman who is not pregnant presents with a foul-smelling, greenish vaginitis. A smear is taken, and routine tests performed. A motile, unicellular eukaryote with multiple flagella and an undulating membrane is observed in the microscope. What treatment is recommended?
Single dose of metronidazole
Plasmodium species reproduce sexually in
Anopheles mosquitoes
The presence of Gram-negative diplococci in pus from an inflamed penis is diagnostic for infection by
Neisseria gonorrhoeae
When bacteria invade the kidney, the result can be
Pyelonephritis
Which of the following helminths is known for moving out of the body through the anus, nose, or mouth?
Ascaris lumbricoides
infection in the urinary tract is limited by all the following except
Constriction of the urethra by the prostate gland in men
Which one of the following diseases is NOT correctly matched to its vaccine?
Tuberculosis - toxoid
Which of the following can cause pelvic inflammatory disease, characterized by fever and abdominal pain?
both Chlamydia trachnomatis and Neisseria gonorrhoeae
Which of the following can mimic gonorrhea infections?
Chlamydia
Which of the following factors is primarily responsible for the ability of Mycobacterium tuberculosis to survive long periods of time in dried droplets of respiratory aerosols?
The presence of mycolic acid in the cell wall
The development of pseudomembrane on the tonsils and throat is characteristic of
diphtheria
Which of these is the vector for the transmission of Rocky Mountain spotted fever?
Dermacentor variabilis
Diphtheria toxin kills cells by interfering with which of the following processes
protein synthesis
Which one of the following causes a disease characterized by the catarrhal, paroxysmal, and convalescent stages
Bordetella pertussis
Which of the following would be observed as a result of vulvovaginal candidiasis
a "cottage cheese" discharge
Which of the following statements is FALSE regarding gonorrhea
It is easily confused with syphillis
Urinary catheters pose risks of causing urinary tract infections because
they provide a surface for bacterial biofilms to establish and they can introduce bacteria from the skin, anal, or external genital areas into the bladder.
cycles of fever, chills, anemia, and headache along with passage of dark colored urine are symptoms of infection with
Malaria
A man presents to the physician's office complaining of irritation in the genital area. Examination reveals a bright red rash with raised pustules with clear fluid. Upon questioning, the man reports he has recently been sexually active. What is the most likely diagnosis based upon the appearance of the genital lesions?
genital herpes caused by HSV-2
Which of the following is a characteristic of bacterial vaginosis frequently used to confirm diagnosis
the presence of clue cells
Which of these names applies to the common name dog tapeworm
Echinococcus granulosus
Ornithosis, a disease of birds that can be transmitted to humans, is caused by
Chlamoydophila psittaci
Infection by which one of the following results in the formation of Ghon complexes
Mycobacterium tuberculosis
"Rice water stools" are characteristic of?
cholera
Care in the handling and disposal of diapers in day care centers may prevent the spread of which of the following?
Giardia intestinalis
A rare neurological disorder involving purposeless involuntary movements, usually in childhood, called Sydenham's chorea usually follows an infection by?
Streptococcus pyogenes
Vegetations are associated with which of the following disease processes?
Endocarditis
Some strains of the virus responsible for genital warts can cause the development of?
Cervical Cancer
Typically, treatment for anthrax involves which of antibiotics?
Penicillin and a Zpak
Which of the following uses cows as the intermediate host and typically is referred to as the beef tapeworm?
Taenia saginata
Depletion of clotting proteins from the serum leads to the uncontrollable hemorrhaging seen in _______ infections?
Ebola Virus
All the following are used as first-line drugs for treating tuberculosis EXCEPT?
Fluorquinolones
Which of these names applies to the broadfish tapeworm?
Diphyllobothrium latum
Which of these is the vector for the transmission of plague?
Xenopsylla cheopsis
Rocky Mountain spotted fever is caused by?
Rickettsia rickettsii
Which of these names applies to the common name pork tapeworm?
Taenia solium
Which of the following diseases is almost diagnostic for AIDS?
Pneumocystis pneumonia
Which of these is the vector for the transmission for leishmaniasis?
Sandfly
Which of the following is the major sign or symptom of mumps?
Paraotitis
Many bacterial infections of the lower digestive tract are treated with
water and electrolytes
Latent tuberculosis
results when M. tuberculosis bacteria are phagocytize and effectively walled off within granulomas in the lungs
This protozoan parasite may invade the peritoneal cavity, causing serious dysentery
Entamoeba histolytica
Which of the following is vector that transmits trypanosoma cruzi
reduviid
Urease is an important virulence factor of which of the following
Helicobacter pylori
The two major glycoproteins used by HIV to bind to CD4 and CXCR4 or CCR5 on the T cells are
gp41 and gp120
Bacillary dysentery caused by the genus ______________ can lead to hypovolemic shock and/or organ failure if medical attention is nor sought in time
Shigella
The typical sign of primary syphilis is
a chancre at the site of infection
Which of these names applies to human pinworms?
Enterobius vermicularis
A distinctive feature of secondary syphilis is?
A widespread rash that can include the palms and soles
the protozoan intracellular parasite usually acquired in contaminated drinking water which causes a persistent watery diarrhea, especially in neonates, the elderly and immunocompromised patients, is?
Cryptosporidium parvum
Which of the following is characteristic of Yersinia pestis infections?
Buboes
Erythema migrans often develops as a result of what infection?
Borrelia burgdorferi
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