Which Bone Is the Keystone of the Medial Arch of the Foot

question 83

Multiple Choice

Which bone is the keystone of the medial arch of the foot?

• A) navicular
• B) cuboid
• C) calcaneus
• D) talus

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Definitions:

Fixed Interval Schedule

A reinforcement schedule in operant conditioning where rewards are delivered at fixed intervals of time, provided the appropriate response is made.

Intermittent Reinforcement

A conditioning schedule where a response is only sometimes rewarded, leading to more resilient behavior compared to continuous reinforcement.

Continuous Reinforcement

A reinforcement schedule in which a reward follows every correct response, aiding in the rapid learning of a behavior.

Secondary Reinforcement

A concept in conditioning that involves stimuli which, though not naturally rewarding, become reinforcing through their association with primary reinforcers.