Another Isolate of Streptococcus Pneumoniae from a Patient with Meningitis

question 323

Multiple Choice

Another isolate of Streptococcus pneumoniae from a patient with meningitis is also incubated with low-dose radioactive ceftriaxone and subjected to protein electrophoresis.  Only two bands are detected using radioautography.  Which of the following best explains the observed finding?

• A)Action of beta-lactamases
• B)Change in protein structure
• C)Salvage metabolic pathway
• D)Transmembranous efflux pumps
• E)Upregulation of protein synthesis

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Definitions:

Biceps Brachii

A muscle of the upper arm that is involved in the flexion of the forearm and supination of the forearm.

Serratus Anterior

The serratus anterior is a muscle that originates on the surface of the upper eight or nine ribs and inserts on the medial border of the scapula, playing a key role in the movement of the shoulder.

Linea Alba

The linea alba is a fibrous structure that runs down the midline of the abdomen, forming the seam that joins the left and right abdominal muscles.

Serratus Anterior

A muscle located on the side of the thorax, which plays a crucial role in the movement of the shoulder blade.