Exam 10: Muscular Tissue

Writer's cramp can occur in Anatomy and Physiology lecture class.What factor would most likely contribute to the muscles not being able to relax?

Muscle damage can be indicated by…

How does a nerve impulse elicit a muscle action potential?

Which characteristics describe both skeletal and cardiac muscle?

An action potential depolarizes the synaptic end bulb,which causes openings of _____.The influx of _______ causes exocytosis of _______.The neurotransmitter attaches to _________.Opening of the channel allows an influx of _____________. Drop down choices (in correct order) Acetylcholine Calcium ions Ligand gates Sodium ions Voltage gates Voltage gates Ligand gates Sodium ions

What is the result of acetylcholine attaching to the ligand gates of the motor end plate?

Which correctly lists the sequence of structures that action potentials must move through to excite skeletal muscle contraction?

Which disorder occurs when little to no proteins are produced to support the sarcolemma?

When an athlete performs a pull up (raising their chin to a bar while their body hangs),the process of pulling the body up so the chin can touch the bar is

Myasthenia Gravis is an autoimmune disorder that targets the ACh receptors at the NMJ and ultimately reduces the number of available receptors.Predict what happens if you treat the patient with a drug that inhibits the activity of acetylcholinesterase?

Smooth muscle tone is maintained by the prolonged presence of [_____] in the muscle cell's cytosol?

In the diagram,what area contains both thick and thin filaments?

Mitochondrial activity in skeletal muscle cells are usually efficient,but can have limited ATP production if

In the diagram,how do action potentials penetrate the outside of the muscle fiber? .

Match the terms to their actions. Which of the following wraps around groups of muscles? _________:wraps around groups of muscles _________:encircles muscle _________:encircles fascicles _________:separates muscle fibers Drop Down Choices: Endomysium Epimysium Fascia Perimysium

Thapsigargin is a potent calcium ATPase pump inhibitors.What state of the myogram would be affected immediately?

)Cross bridges are formed during muscle contraction when _____ binds to _____.

When an athlete performs a pull up (raising their chin to a bar while their body hangs),the process of lowering the body down is

)Skeletal muscle contraction is triggered to begin when calcium is released from

All of the muscle fibers within the muscle are fully contracted in