Muscles and Nervous System

Question 1

What is the neuromuscular junction?

Answer 1

where a nerve and muscle fiber/cell come together

Question 2

What is the motor end plate?

Answer 2

folded area where muscle and neuron communicate

Question 3

What is the synapse?

Answer 3

the gap between the neuron and motor end plate

Question 4

What neurotransmitter crosses the synapse?

Answer 4

acetylcholine

Question 5

What is acetylcholine stored in?

Answer 5

vesicles within the nerve

Question 6

What breaks down acetylcholine?

Answer 6

cholinesterase

Question 7

ATP is generated where and how?

Answer 7

cellular respiration in the mitochondria

Question 8

What does creatine phosphate increase?

Answer 8

regeneration of ATP, maintains body temp

Question 9

What percent of energy produced is used in metabolic processes?

Answer 9

25%, the rest is in the form of heat

Question 10

What enzyme is elevated in people who have suffered heart attacks or who have DMD?

Answer 10

creatine kinase, leaks out of muscles that have been damaged

Question 11

What is a biomarker?

Answer 11

substance that can indicate damage to muscles, can be used to diagnose diseases like DMD or to determine if a patient is having a heart attack