Science
10th - 12th Grade
Used 9+ times
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10 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Which muscle closes and protrudes the lips?
(a)
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Which muscle is shown in the picture?
(a)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step that must happen at a neuromuscular junction?
Calcium channels open and calcium diffuses into the terminal.
Action potential arrives at axon terminal of motor neuron.
ACh diffuses and binds to its receptors.
Action potential propagates along sarcolemma.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is indicated by the letter D?
ACh receptors
Axon
Calcium channels
Vesicles
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Muscles are made of thick and thin filaments. What is the name of the thick filaments?
Actin
Myosin
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which of the following about muscles are true? (you may select more than one)
long and cylindrical
contain a single nucleus
striated
enclosed in a sarcolemma
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Which muscle is shown in the picture?
(a)
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