Newborn Petra had a tendency to turn her head toward things that touched her cheek. This is an example of the __________ reflex

Which of the following would probably not be a goal of human factors, or human engineering?

A) Decreasing physical fatigue B) Increasing ease of use of technology C) Increasing safety D) Enhancing pain reduction

In which of the following environments would sound not be heard?

a) air b) wet cement c) vacuum d) water