Micro Final- Last 40

An example of a recombinant vaccine is

These
microorganisms are early colonizers of the oral cavity

Candida albicans can be distinguished from saprophytic yeast by

To prevent potentially dangerous complications for the patient, he should be treated prophylactically before and after dental procedures with which antibiotic or chemotherapeutic agent?

A mosquito-transmitted bunyavirus has caused fever, rashes and encephalitis in a 26-year-old
female. Which of the following is TRUE for this virus?

A 13-year-old boy diagnosed with advanced periodontitis exhibits sparse plaque formation on subgingival surfaces. A virulence factor of the organism which plays an important role in this boy's disease is

Which of the following diseases is caused by a RNA tumor virus?

A mechanism by which the pulp of teeth can be infected by a systemic bloodstream infection

A 16-year-old male suffers from fever, lymphadenopathy and sore throat. Heterophile antibodies are demonstrable in his blood. A known herpesvirus that multiplies in B lymphocytes was suspected. Which of the following tests will be the MOST SENSITIVE in the demonstration of this viral infection?

Which of the following structures is unique to gram-negative bacteria?

Multinucleated giant cell or syncytia formation occurs in

An F+ cell

Heterophile antibodies are found in

The MOST COMMON clinical consequence of MAC deficiency is increased

The basic chemical structure of peptidoglycan includes

In the presence of lactose, repressor molecules

In a kidney transplant

Antibodies against the variable (Fab) region of the immunoglobulin are called

The prophylactic capability of fluorides in the reduction of dental caries can partially be attributed to its ability to

Clostridium perfringens type A produces

What processes occur in the thymus?

Coccidioidomycosis

The initial attachment of Streptococcus mutans to enamel surfaces is mediated by

Proto-oncogenes encode

A 55-year-old male is diagnosed with acute necrotizing ulcerative gingivitis (ANUG). Which of the following types of organisms is associated with this disease?

Pneumocystis carinii

Attachment of Actinobacillus actinomycetemcomitans to oral surfaces is mediated by which of the following?

The Weil-Felix reaction involves

Which of the following bacteria is a secondary invader of carious lesions?

A plaque sample from a first molar of an 18-year-old male with a history of juvenile periodontitis is plated on Mitis-Salivarius agar and a number of colonies with rough and irregular colonial morphology are observed after 48 hours of growth. Which of the following tests can be used to determine which colonies are Streptococcus mutans?

The MOST COMMON route for the development of pulpitis

Among the following risk groups for infection with HIV-1 in the United States, which one has the lowest probability of contracting the infection?

Which of the following diseases is caused by reactivation of a latent virus in humans?

Which of the following immune deficiency disorders is associated exclusively with absence of the thymus?

The organism MOST FREQUENTLY initiating endocarditis in this patient is

Which syphilis diagnostic test remains positive during tertiary infections?

Deletion of a base within the DNA sequence that encodes a protein will cause this type of mutation

Which of the following viruses exists as multiple serotypes, but still makes use of a live-attenuated vaccine?

Children from syphilis-infected mothers can acquire the disease transplacentally. In which phase of the disease does mode of transmission have NO probability of occurring?

The product(s) generated by glucosyltransferase enzymes when sucrose is the substrate