Why does the cardiac muscle have a longer absolute refractory period compared to skeletal muscle?

Q: Why is the gap junctions between heart muscle cells play a relevant role in producing a regular…

A: Only the heart contains cardiac muscle tissue. Cardiac muscle contractions are well-coordinated,…

Q: activities demand more body movements? Explain. Give 2 systems that are directly affected whenever…

A: * when we exercise we feel increasing in breathing and hear beat too. * we require more oxygen when…

Q: What comprises the extensor mechanism?

A: Extensor mechanism involved in extending the tibiofemoral joint. It refers the common linkage…

Q: Under which conditions could the opening of a chloride channel actually depolarize a neuron rather…

A: Ion channels are transmembrane proteins that allows specific Ions to move across the membrane along…

Q: Atropine works by blocking acetylcholine receptors. If you add acetylcholine to the heart, followed…

A: Many vital physiological processes in the human body are regulated by the autonomic nervous system…

Q: Explain in detail why the neurotransmitter acetylcholine has different effects in skeletal vs.…

A: Acetylcholine lie outside the CNS which transmits synapsis and at synapse, there are released some…

Q: An EPSP causes a depolarization of 15 mV on a proximal dendrite.  At the same time, an IPSP causes a…

A: The excitatory postsynaptic potential (EPSP) refers to the change in membrane potential of a…

Q: A graded potential (a) decreases with distance from the point of stimulation. (b) spreads passively…

A: Cell is the smallest structural and, functional unit of life. Cell has an outer covering which…

Q: Does the refractory period limit the number of action potentials that a nerve cell can produce per…

A: Action potential is initiated due to a presence of a  stimulus. Normally the potential of a cell…

Q: If you are to graph pulse rate in respinse to your active body activites, how will the graph look…

A: The cardiovascular system is influenced by physical activities and based on the response, intensity,…

Q: You are supervising a student who is carrying out several experiments on an animal species that has…

A: Based on the description of the graph, the student has recorded the action potential and contraction…

Q: A new drug is developed that prevents the demyelination occurring in the progress of multiple…

A: The objective of the question is to identify the type of cell in the central nervous system that is…

Q: What is absolute refractory period?

A:

Q: What are two functions of electroreceptors?

A: electroreceptors are the jelly-filled tubes on the surface of the sharkskin this tube ends in the…

Q: The following is supplied by autonomic nervous system: Select one: a. Glands b. Smooth muscies C.…

A: The human neural system consists of two contrasting functional subsystems- the central nervous…

Q: What is the role of Ca2+ in the shape and duration of an action potential. (Cardiac muscle cell)

A: The duration of an action potential for cardiac muscle cell is between 200-250 milliseconds. There…

Q: Where are afferent neurons, efferent neurons, and interneurons located in the nervous system? Are…

A: Neurons are the basic unit that consists of axons, dendrites, cyton, and telodendria for…

Q: What is the consequence of fibers crossing over?

A: The fibre crossing over is a term used for nerve fibres. The nerve fibres cross-over obliquely from…

Q: Read this article (http://openstaxcollege.org/l/ strokespell) to learn about a teenager who…

A: A stroke is a medical condition caused by blockage of blood flow and oxygen to the brain, thereby…

Q: this is an I-V plot. which color is the largest influx of the open channel? it is not orange so i’m…

A: Positive values indicate an outward current, while negative values indicate an inward current.…

Q: you are at your brothers wedding and as you watch the ceremony you see the best man start to faint.…

A: The reflex pathway is a pathway that provides fast, programmed reactions to stimuli without…

Q: Blocking chloride movement will result in a(n). (increase/decrease) in the overall probability of an…

A: Electric potentials are crucial in the transport of electrical signals across the various components…

Q: What effect would vasoconstriction of peripheral blood vessels have on body temperature on a hot…

A: The shrinking of the blood vessels is called vasoconstriction.

Q: You are doing experiments in a lab to test a potential new drug (you are calling it “relaxomere”)…

A: experiments in a lab to test a potential new drug for “relaxomere” for the treatment of…

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: What determines whether optogenetic stimulation excites a neuron or inhibits it?

A: The genetic technique in which the researcher can stimulate or terminate the neuron activity using…

Q: You cut the axon of a single motor neuron innervating the biceps muscle. Which of the following is…

A: Motor neurons, often referred to as efferent neurons are the type of neurons responsible for…

Q: A. There is a lower resistance in the lower panel at the point where voltage is measured. B. There…

A: To identify: To identify the correct difference between the middle panel and the lower panel from…

Q: What is a ciliary escalator and why should I care? What would be the consequences if it is not…

A: When we breathe, the lungs exchange oxygen from the air for carbon dioxide waste from the blood.…

Q: What would happen to an insect if you treated an insect with a chemical that inhibits…

A: Acetylcholinesterase Inhibitors:  Acetylcholinesterase inhibitors (AChEIs), also known as…

Q: Physiology: Answer the following (Explain thoroughly): 1. Give way of varying speed of the kymograph…

A: “Since you have posted multiple questions, we will provide the solution only to the first question…