Cobalt-56 Decays by Emitting a Positron

question 110

Multiple Choice

Cobalt-56 decays by emitting a positron. What is the product?

• A)cobalt-55
• B)cobalt-56
• C)nickel-56
• D)iron-56
• E)iron-55

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Definitions:

Muscle Efficiency

The effectiveness with which muscles convert energy (usually biochemical, such as ATP) into work or movement.

Graded Response

A response that varies directly with the strength of the stimulus, as seen in the incremental increase in a muscle's contraction strength in relation to stimulus intensity.

Lag Phase

One of the three phases of muscle contraction; time between the application of the stimulus and the beginning of muscular contraction; also called latent phase.

Muscle Twitch

Contraction of a whole muscle in response to a stimulus that causes an action potential in one or more muscle fibers.