Which function do all three muscles perform?

Which property of Muscle gives it the ability to stretch without damage?

The outermost layer of connective tissue surrounding a skeletal muscle is the.

After the fusion of myobljast, the muscle fiber loses it's ability to.

Skeletal Muscle contractions in triggered to begin when calcium is released from.

Which region of a sarcomere contain thin filaments.

Which functions as a motor protein in all three types of muscle tissues?

Which of the regions of a sarcomere contain Titin?

Which protein is used to reinforce the sarcolemma and help transmit the tension generated by the sarcomeres to the tendons?

During muscle contractions, thin filaments are pulled towards the.

What energizes the myosin head?

Which APT production would be sufficient to run in place for one minute?

In skeletal muscles, the combined amounts of creatine phosphate and ATP provide enough energy for the muscle to contract maximally for approximately

Which term describes a somatic motor neuron and all the skeletal muscle fibers it stimulates?

A brief contraction of all muscle fibers in a motor unit in response to a single action potential moving down the somatic motor neuron is known as

Why would cardiac muscles have longer refractory periods than skeletal muscles? Choose the best answer.

Motor unit recruitment occurs when there is _______ in the number of active motor units within a skeletal muscle.

World class shot-putters will have a higher percentage of ________in their arm muscles.

Which microscopic structure is found only in the cardiac muscle tissue?

Which type of muscle tissue contracts when excited by their own autorhythmic muscle fibers?

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

On the diagram, which layer is composed of dense irregular and surrounds a muscle?

On the diagram, what structure is composed of the three connective tissue layers that extend past the muscle?

On the diagram, a tendon is formed by the merging of which structures?

Which of the following structures are made of dense regular connective tissue?

In the diagram, calcium ions will rush into this area.

In the diagram, acetylcholine is released from ________ and diffuses to _____.

In the diagram, where would you find stored Ca²⁺?

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

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

In the diagram, which structure helps return a stretched sarcomere to its resting length?

In the diagram, where are troponin, tropomyosin and nebulin located?

In the diagram, which structure(s) moves towards the center of the sarcomere (closer together) when the fiber contracts?

In the diagram, what area is composed of only thick filaments?

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

Which portion of this myogram shows a single twitch of the muscle?

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

Diltiazem is a calcium channel blocker, reducing free intracellular calcium. What stage of the myogram would be affected immediately?

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

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

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

When an athlete is preparing to perform a pull up, they hang from the bar. At this point, they are performing what type of contractions?

Strength training would result in

The relaxation phase of a muscle contraction is often prolonged in a fatigued muscle, raising the likelihood of fused summation of action potentials causing painful disturbances to a skeletal muscle. What disturbance is being described?

Which age group would be most susceptible to an increase in slow oxidative muscle fibers?

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

After prolonged strenuous exercise has stopped, heavy breathing will often continue for several minutes in order to provide the oxygen needed to

Which type of muscle tissue is capable of undergoing the stress-relaxation response when stretched?

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

In a neuromuscular junction, the effect of acetylcholine (ACh) binding to receptors on the motor end plate lasts only briefly due to

The zone of overlap increases during the

Muscle damage can be indicated by

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?

Leg muscles are predominantly composed of which type of muscle fiber?

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?

Which statement explains the sarcomere appearance change during a muscle contraction?

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

Why will and individual who lifts weights build larger muscles?

Which division of the peripheral nervous system only innervates the gastrointestinal tract’s wall?

The motor portion of the autonomic nervous system can be divided into

Which organelle is a common site of protein synthesis in neurons?

This type of neuron has one dendrite and one axon emerging from the cell body.

After birth Schwann cells

Which type of central nervous system tissue contains neuronal cell bodies, dendrites, unmyelinated axons, axon terminals, and neuroglial cells?

All of the following statements are true for which type of cell?

• has a charge imbalance across its membrane.

• includes most cells of the body.

• exhibits a membrane potential.inside is more negative relative to outside.

Na⁺/K⁺–ATPase is considered to be an electrogenic pump because

A depolarizing graded potential

During the resting state of a voltage-gated Na⁺ channel,

1. the inactivation gate is open.

2. the activation gate is closed.

3. the channel is permeable to Na⁺.

These statements describe what part of an action potential?

• Sodium activation gates are closed

• Sodium inactivation gates are open

• Potassium gates are open

• Repolarization is occurring

Saltatory conduction is described by which statements?

1) current passes through the entire unmyelinated axon membrane

2) current passes through a myelinated axon only at the nodes of Ranvier

3) current occurs at faster rates

4) voltage-gated channels are concentrated in unmyelinated regions

5) More energy is used to increase speed of conduction

The nervous system can distinguish between a light touch and a heavier touch because

Faster communication and synchronization are two advantages of

An excitatory neurotransmitter ________ the postsynaptic membrane.

Diffusion, enzymatic degradation, and uptake by cells are all ways to

A postsynaptic neuron responds to acetylcholine neurotransmitter by creating

This type of neural circuit consists of a single presynaptic neuron synapsing with several postsynaptic neurons.

Plasticity means the ability to

Which part of the neuron in this diagram produces proteins that can regenerate damaged axons in the PNS?

Which part of the neuron in this diagram will contain voltage-gated ion channels?

In this diagram, which structure electrically insulates the axon of a neuron to increase the speed of nerve impulse conduction?

In this diagram, where is a node of Ranvier?

In this diagram, which structure would be produced by oligodendrocytes in the central nervous system?

In this diagram, which of these types of channels represents a gate that opens to a depolarizing event?

In this diagram, which of these types of channels contributes to more potassium diffusing down their concentration gradient compared to sodium?

In this diagram, which of the channels is predominantly located on sensory neurons somas and dendrites and responds to vibration, touch, and stretch?

Which diagram represents a circuit that helps coordinated muscular activities, breathing, and short-term memory?

Which diagram represents the type of circuit commonly used to send sensory signals to multiple areas of the brain?

Which diagram represents the type of circuit used to solve algorithms and geometry?

Which diagram represents the type of circuit involved in controlling the movement of the biceps brachii and triceps brachii skeletal muscles?

The cell body of what neuron(s) in this diagram is/are found in gray matter of the spinal cord?

The neuron labeled B in this diagram would be classified as what type of functional neuron?

Which of the following structures is labeled A in the diagram?

Which of the structures in this diagram would be included in a ganglion?

Hearing your cell phone ring in a quiet lecture hall is an example of which nervous system functions?

Which electrical signal can allow for rapid long-distance communication within the nervous system?

In an action potential, the electric current that flows is generated by the movement of _______ across the membrane.

In temporal summation, a single presynaptic neuron stimulates the creation of action potentials in a postsynaptic neuron when it.

Manic-depressive illness is associated with

During an action potential's ________, a second stimulus will not produce a second action potential (no matter how strong the stimulus is). This even corresponds to the period when the _______ remain open and the sodium inactivation gates have not reopened.

During an action potential's _______, a second stimulus can be produced only if the stimulus is greater that the threshold stimulus. This even corresponds to the period when the ______ remain open and sodium inactivation gates have reopened.