Which of the following is a poor ergonomic choice? a. adjust your tasks or environment to fit you b. omit unnecessary tasks and movements c. vary activities and processes to use different muscle groups throughout the day d. use manual lifting techniques

During the first month of development, how many layers of cells make up the embryo? a. 1 b. 2 c. 3 d. 4

Which is the term used for a drug that increases the activity of the nervous system

What are the symptoms of trichomoniasis in males? a. painful urination, a dark discharge from thepenis, with no itchingb. painful urination, a dark discharge from thevagina, with no itchingc. painful urination, a clear discharge from the vagina, and some itchingd. painful urination, a clear discharge from thepenis, and some itching