quizmass #1 - pH & experimental design

-log[h+]

what is the pH formula?

0, 14

the pH scale goes from ___ to ___

7

neutral pH is ___

<

acidic pH is ___ 7

>

basic pH is ___ 7

chemical indicator

A weak acid or base that is used to display the pH of a solution by changing color is known as ___ ___

buffer

A substance that absorbs and released H+ ions to keep the pH of a substance consistent is called a ___

GLP

A ___ is a set of internationally recognized set of laboratory guidelines that are used in generating new products.

phase 3

____ is the step in drug development that uses a very large group (1000-3000) of healthy and sick individuals to determine efficiency and side effects.

placebo

An inactive or "sham" treatment given to the control group, in a clinical study, is called a ___.

in vivo

When experiments and procedures are performed within a living organism they are considered ___.

USDA

The ____ is the agency that oversees animal and lant health as biotechnology improves new crop varieties.

pre-clinical

___ is the second step in drug development which includes using animal models.

phase-2

____ is the step in drug development that uses a moderately large group (100-300) of sick individuals to determine if the drug actually treats the affliction.

blinding

The withholding of personal identifiers, from study administrators and patients, is called ___.

FDA

The ___ is the agency that oversees all new medical, agriculture, & food biotechnology.

phase-1

___ is a step in drug development that uses a small group (<100) of healthy individuals to determine dosage and safety levels.

Discovery

___ is the first step in drug development.

LD50

The ___ is identified in pre-clinical studies to identify the maximum safe dose that can be administered in the clinical phase of the drug approval process.