PSTL 1135
|
WebAnatomy Resources
|
Contact Information
U of M Home
:
College of Education and Human Development
One Stop
|
Directories
|
Search U of M
Self Tests
Timed Tests
Multiplayer Game
Quiz Bowl
WebAnatomy Home
:
Muscles
: Physiology 2
- Navigate to other systems -
Web Anatomy Home
BioChemistry
Cardiovascular System
Cell Terms & BioChem
Chapter 1 - Intro Topics
Digestive System
Endocrine System
General Histology
Immunology, Lymphatic System & HIV
Medical Terminology (Roots, etc.)
Common Medical Terms
Muscular System
Nervous System
Reproductive System
Respiratory System
Skeletal System
Skeletons and Skulls
Urinary System
Single Player Games
Multi-Player Games
Image Database
How many of the following are true when a muscle cell is
RELAXED?
Your Answer
Correct Answer
1. The troponin and tropomyosin system is bound to actin molecules.
True
False
2. The troponin and tropomyosin system has calcium ions attached to it.
True
False
3. Acetyl Choline (ACh) molecules are located in the receptors on the motor end plate.
True
False
4. The myosin cross bridges come in contact with the actin molecules.
True
False
5. Calcium is in high concentration in the SR - and low concentration inside the muscle cell.
True
False
6. The troponin and tropomyosin system is bound to the motor end plate.
True
False
7. Acetyl Choline ester-ase (AChE) is secreted by the motor neuron.
True
False
8. Protein molecules inside a sarcomere , such as actin and myosin, are longer when a muscle cell is relaxed, as compared to when it is contracted.
True
False
9. The motor neuron does NOT secrete any NTS in order to activate relaxation.
True
False
10. There are NTSs in the receptors on the motor end plate.
True
False
©2005 Regents of the University of Minnesota. All rights reserved.
Trouble seeing the text?
|
Contact U of M
|
Privacy
The University of Minnesota is an equal opportunity educator and employer.
Last modified on November 14, 2005
