Muscle Histology

What is the name of the connective tissue that covers the entire muscle?

• endomysium
• perimysium
• epimysium
• fascicle

The plasma membrane of a skeletal muscle cell is called the

• sarcomere
• myofilament
• sarcolemma
• sarcoplasm

What is the connective tissue covering a muscle fascicle?

• endomysium
• perimysium
• epimysium
• fascicle

The block-like, contractile units arranged end-to end along the length of a myofibril are called the

• Sarcomeres
• Fasicles
• Myofilaments
• Muscle fibers

Fasicles are bundles of

• muscle fibers
• myofilaments
• myofibrils
• sarcomeres

Which of the following covers actin filaments and prevents myosin from binding to them?

• Troponin
• Tropomyosin
• Sarcomeres
• Sarcoplasmic reticulum

Which muscle fiber organelle is filled with calcium?

• Myofibrils
• Mitochondria
• Sarcoplasm
• Sarcoplasmic reticulum

The site where a neuron and a muscle fiber meet

• Sarcomere
• Neuromuscular junction
• Sarcolemma
• Endomysium

The chemical released by a neuron to stimulate a muscle fiber

• Cholinesterase
• Calcium
• Acetylcholine (ACH)
• Troponin

What gets rid of (i.e. - breaks down) ACH?

• Actin
• Myosin
• Tropomyosin
• Cholinesterase