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Guidelines for Sketching a Curve01:23

Guidelines for Sketching a Curve

Curve sketching is a systematic method for understanding the overall behavior of a function by analyzing its key mathematical features. A function defines a curve on the coordinate plane, where the horizontal axis represents the input variable and the vertical axis represents the output. The process begins by determining the domain, which specifies the set of input values for which the function is defined and establishes the horizontal extent of the graph.Intercepts with the horizontal and...
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Guidelines in Case of a Laboratory Emergency05:28

Guidelines in Case of a Laboratory Emergency

Robert M. Rioux & Zhifeng Chen, Pennsylvania State University, University Park, PA
The most common laboratory emergencies include chemical spills, fire or explosion, electric shock, and personnel injuries. Most laboratory accidents occur due to poor planning or lack of attention. Therefore, it's always better to prevent accidents (being proactive) than having to take any actions during an emergency (being reactive). For example, always wear proper personal protective equipment (PPE) in the...
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SECONDs Administration Guidelines: A Fast Tool to Assess Consciousness in Brain-injured Patients11:05

SECONDs Administration Guidelines: A Fast Tool to Assess Consciousness in Brain-injured Patients

These guidelines can be used for the administration of the Simplified Evaluation of CONsciousness Disorders (SECONDs), a short behavioral tool developed to diagnose brain-injured patients in time-constrained settings. This scale examines command-following, communication, visual pursuit, fixation, pain localization, oriented movements and arousal.
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