What is an action potential?
Anatomy Final Exam Review

Flashcard
•
Science
•
12th Grade
•
Hard
Quizizz Content
FREE Resource
Student preview

15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
Back
An action potential is an electrical message that travels through neurons, allowing communication between nerve cells.
2.
FLASHCARD QUESTION
Front
What does the release of acetylcholine trigger in skeletal muscles?
Back
The release of acetylcholine triggers skeletal muscles to contract.
3.
FLASHCARD QUESTION
Front
What type of neurons carry action potentials from the brain to skeletal muscle fibers?
Back
Motor neurons carry action potentials from the brain to the skeletal muscle fibers, triggering them to contract.
4.
FLASHCARD QUESTION
Front
What happens in Step 8 of the Neuromuscular Junction?
Back
The sarcoplasmic reticulum is stimulated by the action potential and releases Ca2+.
5.
FLASHCARD QUESTION
Front
What is the role of tropomyosin in muscle contraction?
Back
Tropomyosin is a regulatory protein that is rod-like and runs the length of actin, helping to regulate muscle contraction.
6.
FLASHCARD QUESTION
Front
What is the function of neurotransmitters in the nervous system?
Back
Neurotransmitters are chemicals that transmit signals across a synapse from one neuron to another, facilitating communication in the nervous system.
7.
FLASHCARD QUESTION
Front
What is the role of calcium ions (Ca2+) in muscle contraction?
Back
Calcium ions (Ca2+) are released from the sarcoplasmic reticulum and bind to troponin, causing tropomyosin to move and expose binding sites on actin for myosin.
Create a free account and access millions of resources
Similar Resources on Quizizz
15 questions
Muscle contraction - sliding filament theory

Flashcard
•
11th - 12th Grade
15 questions
Understanding the Neuromuscular Junction

Flashcard
•
12th Grade
15 questions
A&P Unit 6 Workbook: Muscular System

Flashcard
•
12th Grade
15 questions
Muscle Unit Review

Flashcard
•
12th Grade
15 questions
Muscle Contractions Review

Flashcard
•
12th Grade
15 questions
Anatomy Final Exam 2 (skel/mus)

Flashcard
•
12th Grade
15 questions
Anatomy 9b Muscle Contractions

Flashcard
•
11th - 12th Grade
15 questions
Muscular System Test

Flashcard
•
11th - 12th Grade
Popular Resources on Quizizz
15 questions
Multiplication Facts

Quiz
•
4th Grade
25 questions
SS Combined Advisory Quiz

Quiz
•
6th - 8th Grade
40 questions
Week 4 Student In Class Practice Set

Quiz
•
9th - 12th Grade
40 questions
SOL: ILE DNA Tech, Gen, Evol 2025

Quiz
•
9th - 12th Grade
20 questions
NC Universities (R2H)

Quiz
•
9th - 12th Grade
15 questions
June Review Quiz

Quiz
•
Professional Development
20 questions
Congruent and Similar Triangles

Quiz
•
8th Grade
25 questions
Triangle Inequalities

Quiz
•
10th - 12th Grade