Alternating Bent-Leg Sit-Ups strain the
a. neck disks.
b. bent knee.
c. lower back.
d. shoulders.
c
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The term for a regular scar (not hypertrophic) is:
A) cicatrix. B) eschar. C) comedo. D) keloid.
To effectively relay signals, cell-to-cell communication utilizes a chemical messenger system to:
A) Displace surface receptor proteins B) Accumulate within cell gap junctions C) Bind to contractile microfilaments D) Release secretions into extracellular fluid
A positive energy balance is defined as
A) exercising every day. B) consuming more calories than expended. C) expending more calories than consumed. D) caloric intake equals energy expenditure.
Acetylcholine, serotonin, and dopamine are examples of
A. neurotransmitters B. cholinergics C. anesthetics D. analgesics E. parasympathetic neutralizers