Respiratory secretions from a patient receiving inhalation therapy reveals a nonmotile gram-negative coccobacillary rod that grows on MacConkey agar as lactose-negative colony at 24 hrs.  A large battery of conventional biochemical tests yields the following reactions:O-F glucose (aerobic): acidO-F glucose (anaerobic): alkalineOxidase: neg, TSI: Alk/no change, ONPG: neg, Motility: negAdditional oxidative (aerobic) testing:  Lactose: acid, Maltose: alkaline, Mannitol: alkaline, Sucrose: alkaline, Xylose: acid This organism is most likely:

¿Por o para? Fill in the blanks with por or para. ( 6 x 2pts.=12 pts.) ¿Dónde está el control remoto [1] aprender el televisor? Con este televisor se puede navegar [2] el Internet. Sonia sale [3] Buenos Aires mañana. Jacobo fue a casa de Javier [4] su computadora portátil. Esta mañana pasamos [5] tu casa. Este teléfono también sirve [6] sacar fotos.

Members of the Bacteroides fragilis group can be best selected by setting up which of the following media on the primary culture?

Characteristics of the HACEK group of bacteria include

A sputum culture yields predominantly alpha-hemolytic, flat colonies on sheep-blood agar that on Gram’s stain reveal gram-positive cocci in pairs. Which biochemical tests will aid in the identification of this isolate?

Lyme disease is caused by the bite of a tick infected with

Steps involved in viral replication include all the following except

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PAAST Corp. has outstanding accounts receivable totaling $1.27 million as of December 31 and sales on credit during the year of $6.4 million. There is also a debit balance of $6,000 in the allowance for doubtful accounts. If the company estimates that 2% of its accounts receivable will be uncollectible, what will be the balance in the allowance for doubtful accounts after the year-end adjustment to record bad debt expense?

A direct Gram’s stain of a pelvic mass from a patient with an IUD shows numerous pus cells and branching, filamentous, beaded gram-positive rods. Heaped, lobate colonies grow anaerobically and develop a molar-tooth apearance after several days of incubation. The most probable identity is