What signal does the IIA afferent send? It signals the alpha motor neuron to contract the extrafusal muscle fibers

Q: γ-motor neuron discharge to a muscle is inhibited by impulses reaching the γ-motor neurons from all…

A: A gamma motor neuron cell bodies are located in the anterior grey column of the spinal cord. A gamma…

Q: This patient was given potassium ions intravenously and regained normal muscle functioning in a very…

A: Potassium is a mineral, our body cells need this, it regulates our major body parts functions such…

Q: Weakening of muscles seen in aging is caused by loss of fiber function, with no change in fiber…

A: Aging is defined as progressive changes in biological, physiological, psychological, social, and…

Q: Describe the role of stretch receptors in skeletal muscles?

A: Skeletal muscles are voluntary muscles present in the body that are responsible for causing…

Q: The endplate potential decreases with distance because

A: The end plate potential is a potential that propagates to the neighbouring patch of muscle fibre…

Q: What is a subluxation and what is somatic dysfunction? What role do the mechanoreceptors and…

A: A subluxation refers to a partial or incomplete dislocation of a joint usually in the context of…

Q: Motor neurons release what type of neurotransmitter onto the motor end plate of skeletal muscles?…

A: Motor neurons of the spinal rope are essential for the central nervous system (CNS) and interface…

Q: Billy has strained a muscle during a recent badmitton match. Describe a treatment plan to help him…

A: Muscle strain is the stretching or tearing of a tissue or muscle that connects the muscle to bone…

Q: The muscle marked by the black arrow 1. is identified as the dartos muscle 2.  is identified as…

A: The given image is that of a urinary bladder. We have to choose the correct statements regarding…

Q: In theory, could a muscle cell get away with having only acetylcholine-gated cation channels, which…

A: Voltage-gated ion channels are a crucial component of generating and propagating action potentials…

Q: How does the activation of vertebrate skeletal muscle differ from the activation of arthropod muscle…

A: Arthropods are lower animals and their complexity is not profound as compare to the higher animals.…

Q: What is the approximate amplitude in mV of the twitch in recording B? Be careful and note the…

A: Introduction  The amplitude is typically calculated from peak to peak. A high-frequency response is…

Q: Explain the structure of NMJ and name the steps of muscle stimulation in orde

A: Neuromuscular junction a point between the axon and the muscle fiber. Skeletal muscle contraction is…

Q: 41- Gamma motor neurons: a- Causes contraction of the equatorial region of an intrafusal fiber b-…

A: The mechanism of gamma motor neurons helps in regulating muscle length and tone.

Q: Why is the innervation of single-unit smooth muscle often restricted to only a few cells in the…

A: Smooth muscle (also known as visceral muscle because of where it is found) is one of the three major…

Q: Describe in details the biochemical and mechanochemical series of events that enables motor neurons…

A: Muscle contraction means activation of tension-generating sites within our muscle cells and the…

Q: A 54-year-old patient diagnosed with toxic fume exposure presents with symptoms affecting the…

A: The situation depicted includes a patient who has been exposed to toxic exhaust, which is…

Q: Which of the following are true regarding length/tension relationships in muscle?

A: Muscle contraction is a major phenomenon associated with the functioning of the myofibril occurring…

Q: the structures in the image below. Complete the table to describe the basic structure of a skeletal…

A: A Tendon:  tendon is a fibrous connective tissue which attaches muscle to bone. B Epimysium:  is the…