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Physiology Stack 1
Homework assignment Week 7
| Question | Answer |
|---|---|
| A slight shift away from the resting membrane potential (RMP) in a specific region of the plasma membrane is often called | Local Potential |
| If the magnitude of the local depolarization surpasses a limit called the threshold potential, What opens? | Voltage-gated channels |
| What is action potential? | The membrane potential of an active neuron |
| What is the role of skeletal muscle tissues in maintaining a constant body temperature? | The drop in body temperature caused by cold temperatures is corrected by a negative feedback mechanism that triggers shivering. |
| Muscles exert their pull against gravity by virtue of a property called ____? | Tonicity or muscle tone |
| What is an antagonists? | These are muscles that when contracting, directly oppose prime movers or agonists. |
| What is a synergist? | These are muscles that contract at the same time as the prime mover. |
| What direction is abduction? | This moves a body part away from the median plane of the body. |
| What is adduction? | This moves a body part toward the median plane. |
| What are the 3 types of cartilage? | Hyaline cartilage, elastic cartilage and fibrocartilage. |