Wing-Sing is a 4 year old who has a suspected bacterial pneumonia. He has a temperature of 102°F, oxygen saturation level of 95%, and is taking fluids adequately. What would be appropriate initial treatment for his pneumonia?

Cephalexin

Explanation:

Cephalexin is a cephalosporin antibiotic. It works by fighting bacteria in your body. Cephalexin is used to treat infections caused by bacteria such as such as pneumonia and other respiratory tract infections; and infections of the bone, skin, ears, , genital, and urinary tract.

Antibiotics such as cephalexin don't work for colds, flu, or other viral infections. Using antibiotics when they are not needed increases risk of getting an infection later that resists antibiotic treatment.

Cephalexin, is an antibiotic that can kill a number of bacterial infections. It kills gram-positive and some gram-negative bacteria by disrupting the growth of the bacterial cell wall. Cefalexin is a beta-lactam antibiotic within the class of first-generation cephalosporins.

Cephalexin

Explanation:

This drug is recommend because it possess   antimicrobial spectrum  against most pathogens  that are related  to  community-acquired  lower  respiratory  respiratory tract disorders e.g Pneumonia. Besides M. pneumococci is neither gram +/-,, Thus its antibiotic  effects is effective against both gram positive and  gram negative bacteria(although less potent against gram-). breaking down the peptidoglycan framework cell walls

it has easy absorption  with fast therapeutic effects in the tissues. It uses cut across age ranges fro children to adults, but it is given mostly in divided doses in children.

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i think the answer is d.