Save
Upgrade to remove ads
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

BIO101 HUMAN A&P

BIO101 PRACTICE CH 8 MUSCULAR SYSTEM

QuestionAnswer
BIO101 HUMAN A&P PRACTICE CH 8 MUSCULAR SYSTEM
ATP is needed for muscle: a. all of these b. none of these c. contraction d. relaxation contraction
The enzyme acetylcholinesterase causes acetylcholine to a. decompose b. form cross-bridges c. be secreted from the motor end plate d. bind to actin decompose
Ca2+ binds to ___ which moves ___ out of the way so that muscles can contract. a. troponin; tropomyosin b. myosin; actin c. tropomyosin; troponin d. actin; myosin troponin; tropomyosin
During muscle contraction, ATP supplies energy for a. enzyme activity b. creating phosphate synthesis c. glycogen synthesis d. myofilament movement myofilament movement
Myofibrils are composed primarily of a. troponin and tropomyosin b. actin and myosin c. perimysium and endomysium d. fascia and tendons actin and myosin
Invagination of the sarcolemma that helps to internalize the muscle impulse: a. epimysium b. T-tubule c. endomysium d. myofibril d. stratum basale T-tubule
The muscle that opposes a particular action is called the a. prime mover d. agonist c. synergist d. antagonist antagonist
Organelle that stores Ca2+ until needed for contraction: a. myosome b. sarcoplasmic reticulum c. sarcosome d. myoplasmic reticulum sarcoplasmic reticulum
At a neuromuscular junction a. troponin and tropomyosin exchange places. b. actin and myosin filaments slide past one another. c. neurotransmitters are released. d. intercalated discs are synthesized. neurotransmitters are released.
The type of muscle cell that lacks transverse tubules, has a single nucleus, and is under involuntary control is a. striated muscle b. smooth muscle c. cardiac muscle d. skeletal muscle smooth muscle
Major function of muscle: a. none of these b. all of these c. generate body heat d. move body parts all of these
Myofibrils are: a. organelles that contain actin and myosin b. connective tissues that immediately surround individual skeletal muscle fibers c. invaginations of the sarcolemma d. neuromuscular junctions where the impulse begins organelles that contain actin and myosin
Created by: C to the C
Popular Anatomy sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards