Polyethylene is produced from

a. the polymerization of ethylene.
b. polymers that are characterized by a high tenacity and a high ratio of length to diameter (several hundred to one). They differ widely in form, flexibility, durability, and porosity.
c. from the remains of a reaction where the natural binding agent lignin is removed from wood, serves as the primary structural component of the cell walls in plants, and is generally regarded as nature's most important polymer.
d. None of these


A

Health Professions

You might also like to view...

According to TCM theory, blood represents all of the body fluids in the body

a. True b. False

Health Professions

Answer the following statement(s) true (T) or false (F)

1. Pediatrics is an example of a medical subspecialty.  2. An optometrist is a physician who examines patients' eyes for poor vision or disease.  3. The American Association of Medical Assistants serves the interests of medical assistants by offering continuing education and networking opportunities.  4. A Registered Medical Assistant credential is given by the American Medical Technologists.  5. A medical office administrator's duties are determined in part by the size of the physician's practice. 

Health Professions

Which of the following would be considered good communication?

A. You talk louder so you can be heard over the television. B. You initiate care without telling the patient what you are doing. C. You assess the patient while thinking about your last call. D. You minimize distractions during your conversation with the patient.

Health Professions

When rolled up in a ball, a hedgehog may make a clicking sound. This is a ___________________

Fill in the blank(s) with correct word

Health Professions