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

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: 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: 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 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: 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: 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: 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: 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…