BIOL250 C003 Quiz 7| Questions and Answers Latest Updated 2026 (Graded A+)- American Military University

BIOL250 C003 Quiz 7| Questions and Answers Latest Updated (Graded
A+)- American Military University


Question 1 points

Which type of contraction allows a muscle to produce tension without changing the angle of a
skeletal joint or moving a load?


All of the muscle fibers in a specific muscle

The sarcomere and its associated sarcolemma

A packet of actin and myosin microfilaments

A motor neuron and the muscle fibers it innervates

A functional group of sarcomeres

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Question 2 points
All of the following are functions of skeletal muscles except for which?


Maintain balance

Produce heat

Stop movement

Regulate blood pressure

Produce movement

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, Question 3 points

The functional unit of a muscle fiber is called what?


Sarcomere

Sartorius

Sarcophagus

Sarcolemma

Sarcoplasmic reticulum


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Which structures of cardiac muscle allows the cells to contract in waves so the heart can work
as a pump?


Nucleus

Desmosome

Gap junction

Syncytium

Intercalated discs


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Question 5 points

Varying degrees of contractive force in a skeletal muscle are generated through the process of
what?