Medical Microbiology Quiz

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What is the most common symptom caused by Entamoeba histolytica?

Chagas disease

Kala Azar

Tertian fever

Typical flask-shaped ulcer (correct)

Which parasite is responsible for causing cerebral malaria?

Plasmodium falciparum (correct)

Plasmodium malariae

Plasmodium vivax

Plasmodium ovale

What disease is Naegleria fowleri known to cause?

Meningoencephalitis (correct)

Sleeping sickness

Hepatic abscess

Urethritis in men

Which protozoan parasite lacks a truly defined shape?

Protozoa with no truly defined shape Signup and view all the answers

What is the main complication associated with toxoplasmosis?

Congenital infection Signup and view all the answers

Which parasite causes visceral leishmaniasis (Kala Azar)?

Leishmania donovani Signup and view all the answers

What characteristic best describes pseudomonas, a bacteria infected in degree burns?

Green pus from pyoverdine production. Signup and view all the answers

In a patient with pneumonia and pulmonary abscess, what organism is the most likely causative pathogen based on the described characteristics?

Klebsiella pneumoniae. Signup and view all the answers

What is a likely characteristic of Chlamydia trachomatis, the causative agent of trachoma?

Requires sterols. Signup and view all the answers

Which virus is most likely the cause of infectious mononucleosis in the patient?

Epstein-Barr Virus Signup and view all the answers

What type of colonies are seen on MacConkey agar in the described infection case?

Mucoid pink colonies. Signup and view all the answers

What is the most likely cause of the rash with vesicles on one side of the upper trunk, shoulder, and arm?

Varicella-Zoster Virus Signup and view all the answers

Where is the nucleoid located in bacterial cells, and what is its likely characteristic?

It is a single, continuous, circular single-stranded DNA. Signup and view all the answers

Which component of the bacterial cell wall is mentioned as important in the text?

Peptidoglycan. Signup and view all the answers

Which of the following is a type 2 Herpes Infection?

Herpes genitalia Signup and view all the answers

What is the main effector function carried out by the membrane attack complex (MAC) in the complement activation pathway?

Cytolysis of foreign organisms Signup and view all the answers

How is Cytomegalovirus (CMV) primarily transmitted?

All of the above Signup and view all the answers

Which of the following is NOT part of the innate immune response?

B cell Signup and view all the answers

What is the Latency period in virology defined as?

The ability of viruses to lie dormant phase. Signup and view all the answers

What is the main mediator of an immediate allergic reaction to peanuts in a child?

IgE antibody Signup and view all the answers

What is the main line of defense against extracellular bacteria?

Complement activation by alternative pathway Signup and view all the answers

In a tuberculin test, what is the most likely mechanism of tissue damage?

Cell mediated Signup and view all the answers

What is a molecule that reacts with a specific antibody but is not immunogenic by itself called?

Hapten Signup and view all the answers

Which parasite is known for causing dysentery and rectal prolapse as a complication of infection?

Dysentery and rectal prolapse Signup and view all the answers

What is the infective stage of Ancylostoma duodenale?

Filariform larva Signup and view all the answers

Where is the habitat of the Schistosoma haematobium adult worm?

Urinary bladder blood vessels Signup and view all the answers

Which parasite is known to cause lymphadenitis, elephantiasis, and lymphedema?

Wuchereria bancrofti Signup and view all the answers

What is considered the causative agent when a 2-year-old boy vomits worms?

Ascaris lumbricoides Signup and view all the answers

Which parasite has an adult form that possesses teeth or blades and suckers to draw blood?

Ancylostoma duodenale Signup and view all the answers