1. Which type of antibiotic (broad spectrum/narrow spectrum) is more effective in an emergency situation where the pathogen is unknown? Why? A. broad spectrum B. narrow spectrum

A. broad spectrum

Explanation:

An antibiotic is a substance that has the capability to inhibit the growth of or kill bacteria.

A broad spectrum antibiotic has the capability to be inhibit or kill a wide range of bacteria species while a narrow spectrum can only operate within a narrow range of bacteria species.

Hence, in a situation where the the causative organism of the disease (the pathogen) is not known, it is better to use a broad spectrum antibiotic because such antibiotic has a higher chance of eliminating the pathogen.

the right answer is a. skin cells forming from sunlight.

the liver is an organ endowed with a fantastic ability to regenerate

. thus, if a hepatectomy (ablation) of 70% of the hepatic mass is performed in the rat, there is complete recovery in 7 to 10 days.

prokaryotes are beings that have existed since the existence of life on earth, and do not come from another realm.

ribosomes are organelles that exist naturally in eukaryotes, either in free form or attached to the endoplasmic reticulum.

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