The symbol 
is the symbol for:
A. the proton.
B. the beta particle.
C. the gamma ray.
D. the alpha particle.
Answer: D
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To qualify to sit for an NHA certification exam, you must graduate from an NHA-approved health care training program or have at least:
A) 6 months of full-time job experience and a high school diploma or GED B) 6 months of full-time job experience and an associate's degree C) 1 year of full-time job experience and a high school diploma or GED D) 1 year of full-time job experience and an associate's degree
The part of the neuron that contains the nucleus and is the control center of the neuron is:
A. the cell body. B. the axon. C. the dendrite. D. myelin sheath.
As children develop and grow, their immune system needs to be ready for new things in their environment. Children must be able to quickly produce antibodies to protect their bodies. What is the reference range for lymphocytes in children?
A. 20%-30% B. 50%-80% C. 40%-60% D. 35%-45%
When patients are happy, their bodies release _______
a. endorphins b. catechisms c. endorphins d. sweat