Microbiology and Parasitology Samplex Test 3

Which among the following statements is/are true regarding Prions?

This/these bacterial component/s contain/s the β- lactamases which are responsible for drug resistance.

The largest medically important bacteria is?

This the phase in the bacterial growth curve on which growth rate is constant.

Bacteria may transfer its genetic information to other species of bacteria in different ways. One of which is the transfer of bacterial DNA through plasmids, that is called?

This is the transfer of bacterial DNA with the use of pilus.

With the advent of technology, viruses can be used to transfer bacterial genetic information from one bacterial specie to another. This process is called?

The normal flora of the anterior nares is the?

All of the following are bacteriostatic, EXCEPT?

All of the following are bactericidal, EXCEPT?

A gram stain of an unknown body fluid was shown to you. You saw gram positive cocci in clusters. Further studies revealed catalase (+), coagulase (-) and novobiocin resistant organisms.

You are dealing with?

Staphylococcal Scalded Skin Syndrome, AKA Ritter disease, is the separation of epidermis at the stratum granulosum. This is caused by what toxin?

You are given a case of 24 y/o male with Acute Infective endocarditis. Upon interview, patient told you he had a previous operation and a prosthetic valve was implanted on his heart, which was proven by a grade 3/6 systolic murmur that you heard on your chest PE. What is the most probable etiologic organism involved?

During your rounds in the ward, you are given a 72 y/o male patient who was admitted due to coughing with thick bloody sputum. Patient is a known alcoholic, consuming 2 bottles of “lapad” rhum per day for about 38 years. Culture showed facultative gram(-) rods with large polysaccharide capsule. What organism are you dealing with?

Dermatophytosis are fungal infections affecting only superficial keratinized structures. This include/s?

Coccidioides immitis is a dimorphic fungus that causes the Valley Fever. It is transmitted via inhalation of?

This is the HIV gene that is responsible for the decrease in CD4 and class I MHC proteins in patients with AIDS.

Malaria is the most important parasitic disease in man. It is caused by Plasmodium sp. Through the bite of an infected female Anopheles flavirostris minimus. On what stage on its life cycle does it infects the human RBC?

Different symptoms depending on the kind of toxin involved. The most serious among these toxins which can cause respiratory failure is the?

Maica Landian, is a 24/F who came in to your clinic due to foul-smelling vaginal discharge. History revealed coitarche at the age of 13 and currently with her 9th sexual partner. Speculum exam shows punctate hemorrhages on the cervix. What is the most appropriate management?