The maintenance of an uninterrupted delivery of oxygen and glucose to the brain is essential to its function. What is it about the brain and nervous tissue in general that makes them so sensitive to changes in blood flow?  What metabolic mechanisms may allow essential brain functions to continue under these conditions?

Q: Subject: Neurophysiology  Many people thought that the inwardly rectifying K+ channel allows K to…

A: Movement of ions through specific ion channels in the membranes of specialized cells like the…

Q: A general principle of physiology states that homeostasis is essential for health and survival. In…

A: The tissues and organs in the human body are made up of several different types of cells. Even…

Q: What are the roles of membrane fluidity in neuron function?  What are the roles of  conformational…

A: Introduction  Membranes are thin layers of lipid molecules that help to form the boundaries of cells…

Q: What is the most important determiner of whether axons within a nerve/nerve root will regrow?

A: neurons are cells which form the basic unit of the nervous system . It helps in control and…

Q: You hit the gym, releasing dopamine, noradrenaline, and serotonin in your brain. What are these…

A: Dopamine, noradrenaline (also known as norepinephrine), and serotonin are neurotransmitters or…

Q: One mechanism underlying the anesthesia is opening increase numbers of potassium leak channels.…

A: Anesthesia refers to the induced state of a person in which the sensation is temporarily lost. It…

Q: List and describe the two types of cells found in the nervous system.  Discuss, in detail, how…

A: Introduction The nervous system, as well as the endocrine system, is the major controlling and…

Q: What is the main source of the electrical potentials recorded from the scalp of a human subject? In…

A: Introduction  When a neuron transfers information away from the cell body and down an axon, it…

Q: Indicate all the measurable physiological parameters/outputs from Nervous system. What established…

A: Nervous System: The nervous system is a complex network of specialized cells, tissues, and organs…

Q: The muscle cells of a heart chamber work as a  functional syncytium.  In terms of heart function…

A: The heart is a meso-dermally derived organs. The walls of heart are made up of cardiac muscles.…

Q: What are the three structural types of neurons? How do theycompare to the three functional types of…

A: Neurons are functional units (cells) of the nervous system. The basic structure of all neurons…

Q: Which statement regarding neurotransmission through myelinated and unmyelinated neurons is true?…

A: Myelin sheath is modified plasma membrane that wraps around nerve axon and acts as insulator. The…

Q: What types of ion channels are most important for conduction of a nerve impulse?

A: The neurons form the structural and functional unit of the nervous system. The central nervous…

Q: identify the key type(s) of cell junctions present in this image (for example, tight junctions, gap…

A: The histological slice of human cerebral cortex tissue exhibits dark blue coloured nuclei scattered…

Q: What happens to the membrane potential when a nerve cell is stimulated?

A: The human nervous system consists of billions of nerve cells and supporting cells, neuroglial cells.…

Q: which part of the nervous system carries impulses between the body and the central nervous system?

A: Peripheral nervous system

Q: You have a terrible dream that you have awakened three hours late for the final exam.  You rush to…

A: During the dream, while sleeping, the nerve pathways present in the brain will become active, and…

Q: What are the components of astrocytes?

A: Neuroglia, also known as glial cells refers to non-neuronal cells present in central and peripheral…

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: Describewhat role potassium plays in healthy, normal excitable cells. First, describe what potassium…

A: The resting membrane potential is the result of the development of a few diverse ion species through…

Q: Why, in physiological terms, does systolic blood pressure increase from rest to exercise and why…

A: Introduction: Metabolic requirements of the body at rest or during exercise are met by supplying…

Q: What are the roles of membrane fluidity in neuron function with regards to metabotropic mechanism(s)…

A: Neuron: A neuron is a specialized type of cell that is the basic unit of the nervous system. Neurons…