What stimulates the release of calcium from the SR: Select one: O a. The activation of the sodium- voltage gated channels on the SR O b. The opening of the calcium ligand-gated channels on the SR O c. The action potential O d. The activation of the Calcium pumps

Q: Which of the following effects result(s) from aging on the muscular system? a. Muscle mass declines.…

A: The muscular system is defined as an organ system composed of skeletal muscles, smooth muscles, and…

Q: If acetylcholinesterase fails to function properly, which of the following would be a consequence? O…

A: Neurotransmitters are chemical substances that are responsible for the transmission of an impulse…

Q: Heurotransmitters and their respective receptors influence the propagation of action potentials. Why…

A: Hormones are defined as the type of chemical messengers that are directly released into the…

Q: Suppose that gated ion channels for Na+or Ca2+ opened in the plasma membrane of a muscle cell.The…

A: The correct option is (d) All of these.

Q: Several snake venoms contain toxins which blocks acetylcholine receptors at the neuromuscular…

A: The neuromuscular system includes all the muscles in the body and the nerves that are required to…

Q: ted to design a drug that interfered specifically with skeletal muscle, without effecting cardiac or…

A: Drug design regularly alluded to as a rational medication plan or just reasonable plan is the…

Q: what does wave summation & treppe occur whe

A: Wave summation- In rapid successions, the stimulus is applied before the relaxation phase of the…

Q: Acetylcholine released into the junction between a motor neuron and a skeletal muscle binds to a…

A: The neuromuscular junction (NMJ) is a specialized synapse that allows motor neurons to communicate…

Q: An action potential travels down the 13. Ахon of the motor neuron until it reaches the presynaptic…

A: An action potential can be defined as a rapid increase and decrease in the membrane potential of the…

Q: Nervous stimulation of musclesa. occurs at a neuromuscular junction.b. results in an action…

A: Answer is d.)  All of these Correct.

Q: Which of these increases the least as a result of muscle hypertrophy?a. number of sarcomeres d.…

A: Muscle hypertrophy means increase in the size and strength of the muscles. This in turn results in…

Q: The motor end plate is extensively folded to allow for a greater number of what structures? Terminal…

A: Motor end plate -the flattened end of a motor neuron that transmits neural impulses to a muscle.…

Q: What is a potential reason as to why intracellular calcium levels increase even after a…

A: Neurons are the cells of the nervous system that are responsible for the generation and conduction…

Q: Cardiac muscle cells produce more force when they have already shortened to less A than half of…

A: Cardiac muscle is definitely taken into consideration certainly one of three kinds of vertebrate…

Q: Considering the force of contraction of a skeletal muscle fiber,wave summation occurs because ofa.…

A: Muscle is a soft tissue found in most animals. Muscle cells contain protein filaments of myosin and…

Q: What is a synaptic knob?a. receptor for neurotransmitter in the neuromuscularjunctionb. membrane sac…

A: membrane sac holding the neurotransmitter

Q: Which of the following is not a role of the muscular system inhomeostasis in the body?a. produce…

A: The muscular and skeletal system work together to allow movements in the body for the maintenance of…

Q: Cardiac myocytes, which of these downstream activities WOULD NOT occur when norepinephrine binds to…

A: Cardiac myocyte is the functional unit of the organ. The cell is delimited by a lipid membrane,…

Q: Both skeletal and (contractile) heart muscle cells A Have unstable resting membrane potentials B…

A: The skeletal muscles are the class muscles that are attached to the bones and are responsible for…

Q: The decrease in active force that occurs at lengths longer than the optimal length is caused by: O…

A: According to the question, the decrease in active force that occurs at lengths longer than the…

Q: Release of calcium from the terminal cisternae Binding of acetylcholine to the acetylcholine…

A: Adenosine triphosphate is a natural compound and hydrotrope that gives energy to drive many cycles…

Q: True or False

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: What is the function of acetylcholinesterase? O a. to prevent undesired continuous contractions O b.…

A: Acetylcholinesterase is an enzyme that is available at the postsynaptic membrane of the…

Q: When doing experiments with isolated muscles, researchers stretch the muscle to different lengths…

A: We can say that Muscles are one of the four primary body tissues that are formed in an organism.…

Q: The motor end plate is extensively folded to allow for a greater number of what structures? Terminal…

A: The neuromuscular junction is also called as the myoneural junction, is a site where the chemical…

Q: The EMG is a recording of: * The action potentials of the motor nerves supplying the muscle fibers.…

A: Introduction: Action potential is a short-lasting event in which the electrical membrane potential…

Q: Explain the source of the signals detected by the EMG electrodes. 2. Describe the role of Ca2+, Na+,…

A: Electromyography is a technique for measuring muscle reaction or electrical activity in response to…

Q: What do we mean by the somatic motor system? O a. Cardiac muscle O b. The smooth muscles and glands…

A: Introduction :  The group of central and peripheral nervous system elements that support motor…

Q: Put the following in order to accurately follow the sequence of events associated with muscle fiber…

A: Relaxing of muscle filaments starts with the motor neuron, which stop delivering its compound sign,…

Q: Which of the following would NOT allow you to determine whether a neurotransmitter’s release is…

A: Introduction :-  Neurotransmitters are chemical compounds or messengers that are synthesized in…

Q: The inward rectifier does not:   A. Conduct potassium.   B. Carry inward current during the action…

A: Ion channels are transmembrane proteins that can form pores for the passage of ions through the…

Q: Part i) Label & describe what is happening at each letter in the following process. Part ii) List…

A: The living organisms try to maintain a constant level of different variables in their body that…

Q: The greater the influx of calcium into the presynaptic axon terminal, the greater the O magnitude of…

A: An action potential in the presynaptic cell produces an influx of Ca2+which promotes the exocytosis…

Q: In the triad, which of the following structure directly regulates Ca2+ release to the cytoplasm?…

A: In skeletal muscle histology, a triangle is a T-shaped structure with a sarcoplasmic reticulum (SR)…

Q: The action potential of skeletal muscle                 A. is not essential for contraction.…

A: Skeletal muscle fibers are cylindrical, multinucleated, striated, and under voluntary control.

Q: Please describe the connection between neurotransmitters and sarcomeres

A: Sarcomere is repeating contractile unit of myofibrils. It is the segment between the two Z lines.…