Activation of α-adrenergic receptors in vascular smooth muscle stimulates (vasodilation or vasoconstriction). Give an example of an organ system where this occurs.

Q: List the effects of sympathoadrenal stimulation on different effector organs. In each case, indicate…

A: The sympathoadrenal system is the connection between the sympathetic nervous system and the adrenal…

Q: Phosphocreatine use is highest in type I muscle fibers. True False  damage to the vagus nerve will…

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

Q: Give three examples of controlled conditions in the body that arekept in homeostatic balance by…

A: The autonomic or visceral reflexes are the glandular or non-skeletal muscular response relayed from…

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…

Q: Give a labeled illustration of a simple reflex arc with its components of the patella tendon tap…

A: Knee jerk reflex is an example of simple monosynaptic reflex.  If tapping the random just below the…

Q: Why is it possible for acetylcholine to actually cause an increase in stroke volume, even though…

A: Acetylcholine is one of the most vital neurotransmitter in the human body, that is seen in both the…

Q: Give typing answer with explanation and conclusion to all parts The question: a. Explain why…

A: Competitive nicotine antagonists are drugs that bind to the nicotinic acetylcholine receptors…

Q: mother calls in requesting an appointment for her son who has mentioned that he has had experienced…

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

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: Phenytoin (sodium channel blocker) and ethosuximide (calcium channel blocker) are anti-seizure drugs…

A: Electrical signals regulate the contraction of muscle, secretion of hormones, sensation of the…

Q: What would be concerned a sympathetic organ response? What would be a parasympathetic organ…

A: The nervous system is the central processing unit of the body. It regulates our behavior, and…

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…

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: If we surgically innervated the SA node with lower motor neurons and stimulated the lower motor…

A: The SA (sinoatrial) node is considered the pacemaker of the heart, as it initiates an action…

Q: During strenuous exercise, which of the following changes most influences total peripheral…

A: The strenuous exercise is the activities which involves the utilisation of high energy. The total…

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: In a breif sentence or two, describe vagal innervation of the hart, and the effects of this…

A: Innervation of the heart These are defined as the network of nerves that are vital for carrying out…

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: 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: Sympathetic stimulation of blood vessels maintains a state of partial vasoconstriction called _____.

A: Vasomotor tone.

Q: Describe the activation of the β2 (beta2) adrenergic receptor, and briefly explain how this leads to…

A: Introduction :- Adrenergic receptors are cell surface receptors that become active when they contact…

Q: Which event will result to generalized vasoconstriction?     a decrease in sympathetic nervous…

A: Humans contain various types of systems that work together to make the body doing its normal…

Q: What is the muscarininc acetylcholine receptor?  Where is it expressed?

A: Membrane proteins are proteins that are embedded in the cell membrane. Unsurprisingly, they are…

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: The drug epinephesine prduces effecs alpha and bo th of the beta adrenergic receptons. lwhich medi…

A: KEY WORDS :- Epinephrine - It is also called adrenaline, which is used to many functions such as for…

Q: What does rhe binding of ACh to nicotinic receptors of skeletal muscle cells directly cause?…

A: Muscle contraction is the activation of tension-generating sites within muscle fibers. In…

Q: Match each substance that can be applied to a frog (or human) heart to the effect you would expect…

A: The frog heart is an organ in the body of a frog that functions to pump blood throughout the body.…

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: 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: What is the muscarininc acetylcholine receptor? Where is it expressed?

A: Membrane proteins are proteins that are embedded in the cell membrane. Unsurprisingly, they are…

Q: Give an example of a drug that acts as an agonist for acetylcholine receptors and one that acts as…

A: An agonist is a molecule or drug that mimics the actual substrate and helps in activating the…

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: A 60 year-old patient HA, who was bedridden for a few days, feels dizzy and experiences significant…

A: Homeostasis is the process by which the internal setpoints are maintained. The homeostatic…

Q: Below is a figure from a 2015 paper that characterizes the effect of venom from the spider…

A: I-V curves are used to study the relationship between the voltage and current in the study of ion…

Q: Which of the following statements about α-adrenergic receptor is CORRECT? Select one: a. Activation…

A: Adrenergic receptors or adrenoreceptors are a class of G protein-coupled receptors that are the…

Q: Describe the intracellular response to activation of α and β adrenergic receptors

A: Introduction:The adrenergic receptors, also known as adrenoceptors, are G protein-coupled receptors…

Q: Among the followings which does not indicate the stimulation of parasympathetic system? A.…

A: Nervous system is the main system which helps in control and coordination of the body. It is divided…

Q: One tretment for myasthenia gravis is a medication that blocks the activity of acetylcholinesterase.…

A: Myasthenia gravis: It is an autoimmune condition where the immune system attack between muscles and…

Q: ease answer the following question Stimulation of the sympathetic nervous system results in…

A: The sympathetic nervous system, which is a branch of the autonomic nervous system causes pupil…

Q: Under anesthesia, acetylcholinesterase inhibitors can be given in combination with blockade of…

A: Anesthesia is the induction of a controlled, brief loss of feeling or consciousness for medical…