Nerve Conduction Velocity Quiz

Which factor contributes to the faster breakdown and replenishment of ATP in type II muscle fibers?

More myosin ATPase activity

What is the main process involved in replenishing ATP once phosphocreatine runs out?

Glycolysis

What contributes to the fatigue resistance of muscle fibers?

Mitochondrial size and number

What is the primary function of myelin sheaths in nerve axons?

Facilitate saltatory conduction Signup and view all the answers

What is the main source of ATP production in the presence of oxygen?

Oxidative phosphorylation Signup and view all the answers

Which muscle fiber type is more metabolically powerful with respect to fast twitch fibers?

Type IIX Signup and view all the answers

What is the role of phosphocreatine in ATP replenishment?

Quickly replenishes ATP via creatine kinase Signup and view all the answers

What is the primary factor determining the conduction velocity of nerve axons?

Axon diameter Signup and view all the answers

Which process allows action potentials to 'leap' from one node to another in nerve axons?

Saltatory conduction Signup and view all the answers

What is the main function of myoglobin in muscle fibers?

Oxygen binding Signup and view all the answers

Which type of muscle fiber mainly performs oxidative phosphorylation?

Type I Signup and view all the answers

What is the primary function of Nodes of Ranvier in nerve axons?

Facilitate saltatory conduction Signup and view all the answers

What is the primary function of myoglobin in muscle fibers?

Facilitates oxygen diffusion and storage Signup and view all the answers

What is the role of Nodes of Ranvier in nerve axons?

Facilitation of action potential propagation Signup and view all the answers

What contributes to the faster breakdown and replenishment of ATP in type II muscle fibers?

Presence of specific creatine kinase Signup and view all the answers

What is the main source of ATP production in the presence of oxygen?

Oxidative phosphorylation Signup and view all the answers

What is the primary function of myelin sheaths in nerve axons?

Facilitation of action potential propagation Signup and view all the answers

Which factor contributes to the fatigue resistance of muscle fibers?

Increased number of capillaries Signup and view all the answers

What is the main function of motor units recruitment in muscle fibers?

Match MU recruitment with task demands Signup and view all the answers

What is the primary factor determining the conduction velocity of nerve axons?

Myelin sheath thickness Signup and view all the answers

What is the main process involved in replenishing ATP once phosphocreatine runs out?

Glycolysis Signup and view all the answers

What is the primary function of phosphocreatine in ATP replenishment?

Acts as a rapid ATP buffer Signup and view all the answers

What is the main function of muscle fiber diameter and capillarization in oxygen delivery?

Increase myoglobin's ability to rip oxygen away from hemoglobin Signup and view all the answers

What is the main function of motor units in muscle fibers?

Recruit fibers based on task demands Signup and view all the answers

Nerve Conduction Velocity Quiz

Questions and Answers

Which factor contributes to the faster breakdown and replenishment of ATP in type II muscle fibers?

What is the main process involved in replenishing ATP once phosphocreatine runs out?

What contributes to the fatigue resistance of muscle fibers?

What is the primary function of myelin sheaths in nerve axons?

What is the main source of ATP production in the presence of oxygen?

Which muscle fiber type is more metabolically powerful with respect to fast twitch fibers?

What is the role of phosphocreatine in ATP replenishment?

What is the primary factor determining the conduction velocity of nerve axons?

Which process allows action potentials to 'leap' from one node to another in nerve axons?

What is the main function of myoglobin in muscle fibers?

Which type of muscle fiber mainly performs oxidative phosphorylation?

What is the primary function of Nodes of Ranvier in nerve axons?

What is the primary function of myoglobin in muscle fibers?

What is the role of Nodes of Ranvier in nerve axons?

What contributes to the faster breakdown and replenishment of ATP in type II muscle fibers?

What is the main source of ATP production in the presence of oxygen?

What is the primary function of myelin sheaths in nerve axons?

Which factor contributes to the fatigue resistance of muscle fibers?

What is the main function of motor units recruitment in muscle fibers?

What is the primary factor determining the conduction velocity of nerve axons?

What is the main process involved in replenishing ATP once phosphocreatine runs out?

What is the primary function of phosphocreatine in ATP replenishment?

What is the main function of muscle fiber diameter and capillarization in oxygen delivery?

What is the main function of motor units in muscle fibers?

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