Activation of β2-adrenergic receptors in vascular smooth muscle stimulates vasodilation / vasoconstriction. Give an example of organs where this occurs.

Q: Which of the following best describes the outcome of nitroglycerin use when considering it’s…

A: Nitroglycerin: It is a highly explosive and potent vaso dilator medication used to treat angina and…

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A: Phosphocreatine is also known as creatine phosphate, a molecule that serves as a rapidly mobilizing…

Q: 4. Fleas can jump up to 40 times their body length. However, calculation on the biomechanics of the…

A: Hi! Thanks for your questions. As you have posted multiple questions and have not mentioned which…

Q: nswer the following THREE questions in the box provided. 1. Why might vasconstriction lead to the…

A: Introduction  Raynaud's phenomenon is a form of intermittent arteriolar vasoconstriction that…

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A: Cardiac Hypertrophy means the increase in the size or the enlargement of the heart muscle walls.…

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

Q: with the motor neuron, explain how an action potential

A: The nervous system generates a signal resulting in starting of muscle contraction. This signal…

Q: Neuronal control of macrophage function in acute disease like septic shock in mice involves each of…

A: The correct option is - vagal signals are transmitted via acetylcholine that binds alpha 7 nicotinic…

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: 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: Blood vessels in both digestive organs and skeletal muscles are dilated by sympathetic stimulation…

A: The sympathetic system performs the function of balancing the involuntary body response during a…

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A: Reproductive system- It is a system made up of glands, organs, and tissues that takes part in the…

Q: would you state that the neural pathway involved in the Achille's tendon reflex is myelinated or…

A: The Achilles tendon is the tendon of the gastrocnemius and soleus muscles inserting at the calcaneum…

Q: Why is it expected that input resistance and rheobase in a neuron would be very less correlated

A: The rheobase is operationally defined as the minimal electrical current that is necessary to…

Q: One treatment for myasthenia gravis is a medication that blocks the activity of…

A: Myasthenia gravis is a neuromuscular issue that causes shortcoming in the skeletal muscles, which…

Q: In the introduction section the authors wrote “In general, the polarity-dependent mechanisms are…

A: Anodal stimulation is a type of electrical stimulation that involves passing a positive electric…

Q: Why, in physiological terms, does heart rate increase during exercise? Discuss contributions from…

A: Heart rate is the average number of times per minute that the heart beats. For adults, this ranges…

Q: List and describe the major effects of parasympathetic stimulation. Explain why sympathetic effects…

A: Introduction:- The nervous system correlate the transmission of nerve signals all over the body to…

Q: The circulatory system is controlled in the Medulla oblongata through the accelerator and…

A: Blood pressure is a complex physiological mechanism. It helps in understanding the conditions of the…

Q: Select the True regarding neurotransmitter mechanism: It acts peripherally at neuromuscular junction…

A: The junction formed between the nervous system's motor nerve cell and the muscular system's muscle…

Q: Give two similarities between the A-V nodal cells and the Purkinje fibres

A: There is a sequence of electrical events that occur inside the heart during the full contraction of…

Q: Construct a mechanism where sarin inhibits acetylcholinerase.

A: The objective of this question is to understand the mechanism by which the nerve gas sarin inhibits…

Q: Activation of beta-1  receptors at the adrenergic terminal would most likely result in: A:…

A: Acetylcholine: The full form is acetylcholine. It is an ester of acetic acid and choline. It acts as…

Q: Explain why the second phase of the chymotrypsin mechanism slower than the first phase

A: Chymotrypsin is a zymogen that remains in the inactive stage and gets activated only when peptide…

Q: Explain the main steps and consequence of the baroreceptor-induced response  when systemic…

A: The baroreceptor-induced response is a reflex action that occurs when systemic vasoconstriction…

Q: What is the mechanism of myogenic autoregulation? Where does this take place? How will this affect…

A: The system which helps to pump blood from heart to lungs to get oxygen is known as cardiovascular…

Q: ells have an) recеptor at IS ais0 Dadrenergic, muscarinic D adrenergic, nicotinic O cholinergic,…

A: Muscarinic receptors are G-coupled protein receptors. On the other hand nicotinic receptors are able…

Q: Epinephrine stimulates a variety of adrenergic receptors. Which of the following receptors when…

A: Epinephrine has a tendency to bind to different types of androgenic receptors. It has the 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: Ventricular Nucleus descend onto spinal motoneurons to control them. ney form a tract within the…

A: A motor neuron (or motoneuron or efferent neuron) is a neuron whose cell body is situated in the…

Q: During extreme dehydration, plasma K* can increase to as high as 10 mM. (A) What would the membrane…

A: Introduction  When you use or lose more fluid than you consume, your body becomes dehydrated because…

Q: Explain myscarinic and andergenic receptors

A: Receptors These are defined as the proteins that are present either inside a cell or on the cell…

Q: exaplin the intracellular mehcanims of smooth msucle via agonist such as Hitamine and acytycholine.…

A: the intracellular mehcanims of smooth msucle via agonist such as Hitamine and acytycholine produces…

Q: Place the following events in chronological order from 1-8: Nat enters the cell, and depolarization…

A: Neurons have the capability of generating and transmitting nerve impulses by transporting specific…

Q: Describe what happens in the "All or None" response, including terms such as depolarization,…

A: The principle all- or - none states that the responses of the nerve cells or muscle fiber are not…

Q: Snga t

A: Introduction Hypotonic Solution : The Concentration Of Solutes In A Hypotonic Solution Is Lower Than…

Q: The spinal cord has the motor neurons that control muscle. But who controls those motor neurons?…

A: A neuron can be defined as the organ of the nervous system which helps in the transfer of…