High blood K+ concentrations cause depolarization of the restingmembrane potential. Predict and explain the effect of high blood K+levels on smooth muscle function

Q: Na+, K+, and Ca2+ curr

A: Driving force refers to the difference between the actual membrane potential and an ion's…

Q: ((a)) (b) ons in smooth muscle cells depend on which one of the following activation steps?…

A: smooth muscle cells are the non stripped involuntary muscles that contracts on their own that is…

Q: EXTRACELLULAR INTRACELLULAR ION CONCENTRATION CONCENTRATION (mM) (mM) K* 4 140 Na* 145 15 Cl- 110 4…

A: At the peak of action potential no flow of ions occur at equilibrium, means when membrane potential…

Q: Summarize the characteristics of action potentials incardiac muscle.

A: The human circulatory system is responsible for the circulation of blood through the body. It is…

Q: Outline the major neural adaptations a muscle undergoes to gain strength in the absence of muscle…

A: Ans. Muscles are specialized tissues in the human body that have the unique ability to contract and…

Q: Predict the effect of a reduced extracellular concentration of Na+ on themagnitude of the action…

A: When a membrane's resting potential experiences a sudden, fast, and propagative change, it is…

Q: In what ways does the neural control of smooth muscle activitydiffer from that of skeletal muscle?

A: Muscles are contractile tissues grouped and coordinated in function. Three groups of muscles present…

Q: isolated and placed in a solution of sodium chloride, potassium chloride, and sodium bicarbonate,…

A: Action potential is very important for the stimulation of the nerve or the muscle cell. Normally the…

Q: Describe the function of acetylcholinesterase and discuss its physiological significance.

A: Enzymes are the biological catalyst and they speed the rate of chemical reaction within the cells.…

Q: .The poison ouabain (wah-BAY-in), or arrow poison, blocks the Na+ K+pump. What effect would this…

A: Ouabain is also called the g-strophanthin. It is a toxic substance derived from a plant that was…

Q: Explain in detail Muscarinic receptors in regards to the hisamine agonist.  How do they cause…

A: Muscarinic receptors These acetylcholine receptors are found in the cell membranes of certain…

Q: Give an account of signalling at a neuromuscular junction through the nicotinic acetylcholine…

A: The nicotinic acetylcholine receptor is a transmembrane allosteric protein that opens an inherent…

Q: Describe the functions of gamma motor neurons and explain why they are stimulated at the same time…

A: The gamma motor neurons innervate the muscle spindle at every finish. they permit contraction of the…

Q: Discuss the Nature and Magnitude of the Resting Membrane Potential?

A: Resting Membrane Potential is generated by the movement of ions across the membranes and ions an be…

Q: What role do the Na+/K+ pumps play in establishing the resting membrane potential?

A: Ans: Na+/K+ pumps: The Na+/K+ pump or ATPase is the electrogenic transmembrane enzymes which is…

Q: Identify the important physiological structures involved in action potential; then, explain in…

A: The neuron is the most excitable cell and therefore has the simplest action potential procedure.…

Q: Predict the consequence if presynaptic action potentials in an axonrelease insufficient…

A: Acetylcholine is an organic chemical that functions in the brain and body of many types of animals…

Q: Muscle Contraction In an experiment, the strength of a neural stimulus and the resulting muscle…

A: In the physiology of the nervous system, neurons need to be stimulated in order to conduct impulses…

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: Define relaxin

A: In both pregnant and nonpregnant females, specially  relaxin is generated by the corpus luteum . It…

Q: Calculate the driving force for Na+, K+, and Ca2+ current in a neuron under physiological…

A: Driving force refers to the difference between the actual membrane potential and an ion's…

Q: describe the two factors affecting action potential speed

A: The functional and the structural unit of the nervous system are termed as neurons. The neuron…

Q: Why does muscle CAP Amp for both the normal Ringer's solution and Ringer's solution with Neostigmine…

A: Introduction :- A stimulus is any physical or chemical signal that elicits a response from an…

Q: Describe the action potential in terms of the different functional states of the voltage- gated Na+…

A: Introduction   Action potential is the short term change in the electric…

Q: Explain the contribution of the Na+/K+ pump activity to the genesis and maintenance of the resting…

A: The channels are the particular transmembrane proteins that are responsible for transportation of…

Q: How is resting membrane potential established in a neuron and muscle cell?

A: The neuron of the nervous system and muscle cells all can maintain a resting membrane potential.…

Q: Identify the role of potassium in the propagation of an action potential and predict how a severe…

A: Messages are sent by neurons electrochemically i.e., electrical signals are produced by the signals.…

Q: re these True or False? Receptors on the post-synaptic cell membrane that bind the acetylcholine…

A: When two molecules of acetylcholine bind a nicotinic Acetylcholine receptor, a conformational change…

Q: Is the resting membrane potential the bases of conduction in nerves and muscle fibers and the…

A: Membrane potential is the difference in the electric potential between the internal and the external…

Q: Define relaxin

A: In both pregnant and nonpregnant females, specially  relaxin is generated by the corpus luteum . It…

Q: D) If during the generation of an action potential in the skeletal muscle cell the membrane…

A: The important ions which generate or change the resting membrane potentials in nerve and muscle…

Q: The following concentrations of Na+ and K+ ions: [Na+]o = 120 mM, [Na+]i = 6 mM, [K+]o = 2 mM, and…

A: Differences in the electric potential between the intracellular and extracellular of the cell are…

Q: Explain the processes that can change the restingmembrane potential.

A: The electrical potential difference across the plasma membrane of the cell at a non-excited state is…

Q: Describe the Neuronal Excitation Contraction Coupling and Describe the role of calcium as the…

A: The nervous system and the muscles are connected to facilitate movements. The muscle cell or muscle…