If you hold a heavy bag in your hand and then bend your arm at the elbow, raising your hand twords your shoulder (a curl), which part of your arm is acting like a leveler?
a. elbow
b. forearm
c. upper arm
d. wrist

In multiple sclerosis, the immune system destroys the substance that coats and protects nerve fibers in the brain and spinal cord. this causes inflammation and injury to the nerves, and the axons don't conduct impulses as well.

What is one reason that informed consent is important for patients? a. patients have complete access to health care with informed consent. b. patients can make the best decisions with adequate information. c. informed consent brings the cost of health care down significantly. d. informed consent leaves a written record of the patient's consent.

Which of these is not related to the teeth? a. chymob. pulpc. enamold. dentin