Class notes
Muscular Physiology
- Course
- Human Physiology
- Institution
- Mission College Santa Clara
Chapter 12 - Kelly Neary - Human Physiology - Mission College
[Show more]
Content preview
1.)Repaying the oxygen debt requires replacing oxygen
that was ________.
a.)
Bound to blood hemoglobin and muscle myoglobin
b.)
Needed to metabolize lactic acid
c.)
Used for tissue warm up
d.)
All of the choices are correct
2.)
Excitation of the Golgi tendon organ normally causes
________.
a.)
Contraction of a muscle’s extrafusal fibers
b.)
Relaxation of a muscle’s extrafusal fibers
3.)
Which type of muscle fibers exhibits long lasting
but weak contractions?
a.)
Fast glycolytic
b.)
Fast oxidative-glycolytic
c.)
Slow oxidative
4.)
Long term muscle contraction (a few minutes or more)
is accomplished by ATP
from:
a.)
Creatine phosphate
b.)
Anaerobic respiration
c.)
Glycolysis
d.)
Aerobic respiration
5.)
Cardiac action potentials usually originate in ________
cells.
a.)
Purkinje
b.)
Chordae tendineae
c.)
Pacemaker
d.)
Septal
6.)
Which type of muscle tissue is characterized by fibers
that contain a moderate
amount of mitochondria and myoglobin?
a.)
Fast glycolytic
b.)
Fast oxidative-glycolytic
c.)
Slow oxidative 7.)
Which type of muscle fiber exhibits short but high force contractions?
a.)
Fast glycolytic
b.)
Fast oxidative-glycolytic
c.)
Slow oxidative
8.)
Muscle repair is due to ________ forming myotubes
that fuse to form new
muscle fibers.
a.)
Satellite cells
b.)
Myodribils
c.)
Muscle cells
d.)
All of the choices are correct
9.)
The regulatory protein of smooth muscle is:
a.)
Calmodulin
b.)
Troponin
c.)
Tropomyosin
d.)
Titin
10.)
Coactivation of alpha and gamma motor neurons is stimulated
by ________
neurons.
a.)
Upper motor
b.)
Lower motor
c.)
Intermotor
d.)
Sensory
11.)
The majority of calcium required for the sustained
contraction of smooth
muscle comes from the:
a.)
Sarcoplasmic reticulum
b.)
Extracellular fluid
12.)
The regulatory protein of cardiac muscle is:
a.)
Calmodulin
b.)
Troponin
c.)
Tropomyosin
d.)
Titin
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller chelseadrc. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $3.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
80364 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now