the somatic and autonomic nervous system differ in all of the following except......? a) target organ responses to their neurotransmitter  b) their effectors  c) regulation of activity by higher brain centers d) their efferent pathways and ganglia

Q: The molecule responsible for aggregation of nicotinic acetylcholine receptors on the post-synaptic…

A: Nicotinic acetylcholine receptors (nAChRs) are ionotropic receptors found in the central and…

Q: The initial rise in the membrane potential of an axon upon stimulation is called the...........…

A: MEMBRANE POTENTIAL: Membrane potential is difference between potentials of inner side and the…

Q: Question 23) For these three situations below, describe whether there are changes in humoral,…

A: MC4 receptors reduce the food intake while elevating energy utilization . Action of this receptor…

Q: When the dentist gives you a lidocaine injection before drilling into a tooth, she numbs a nerve in…

A: During the dental procedure,local nerve block is used which is lignocaine. Lignocaine blocks the…

Q: ) A mixed peripheral nerve: a) is considered to be both a cranial nerve and a spinal nerve. b)…

A: The peripheral nervous system is present externally from the brain and spinal cord. The peripheral…

Q: 39. The portion of this tracing that is altered most by the activity of both the sympathetic and…

A: Introduction :  The cardiac muscles make up the complete heart. The heart also contains nodal…

Q: How non-brain cells will be impacted if glucose is no longer available. Glycolysis would:

A: Glycolysis  In this process, one molecule of glucose converted into two molecules of pyruvate two…

Q: which of the following is a function of the parasympathetic division? a) dilates the ciliary muscle…

A: The parasympathetic nervous system is responsible for the body's rest and absorption reaction when…

Q: Acetylecholine is typically associated with the opening of ___________________ in the synapses of…

A: Motor neuron depolarization refers to a change in the electrical charge across the membrane of a…

Q: Sarin gas is an inhibitor of acetylcholinesterase used in chemical warfare. Briefly (in 1 sentence…

A: Sarin is a chemical gas that is made by humans. In the 1930s (1937 in Germany) it was used in…

Q: 10. Which of the following is a calcium release channel? A)Ryanodine receptor B)Tropomyosin C)DHP…

A: A calcium channel can be defined as an ion channel that is selectively permeable to the calcium…

Q: Which of the following apply to all reflexes. (2)

A: A reflex action, is an unplanned sequence of actions and nearly instantaneous movement in response…

Q: Compared to sparrows, neurons in larger dinosaurs would probably have ______________ myelin and be…

A: Neurones are mainly nerve cells that send messages all over the body to allow to do everything that…

Q: Which of the choices below describe the ANS? A) Sensory and motor neurons that supply the digestive…

A: Nervous system is a network of nerves which helps in the transmission of signal . It is divided into…

Q: 31. Acetylcholine: a) Is blocked by Propranolol b) Is blocked by curare in the autonomic ganglion c)…

A: Otto Loewi originally referred acetylcholine the first neurotransmitter identified as "vagus stuff"…

Q: The weight of the brain in the total weight of the body is about:   A) 2% B) 3% C) 4% D) 5%

A: Answer is A.) 2 %

Q: 15. The termination of acetylcholine action is mainly due to: a) Reuptake by preganglionic neurons…

A: The neurotransmitter acetylcholine plays a variety of roles in the neurological system. It is a…

Q: Give typing answer with explanation and conclusion drugs are those that are used to change brain…

A: There  are certain drugs , which  can increase  or supress brain functions. They are mainly called…

Q: 37) preparing the body for the fight or flight response is the role of the...? a) cerebrum b)…

A: The peripheral nervous system (PNS) serves as a conduit between the brain and the rest of the body.…

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: Which of the following is NOT true of the nervous system?(a) Consists of central and peripheral…

A: Neurons are the structural and functional unit of nervous system. Signals are conducted in the brain…

Q: The most important reward circuit in the brain is the mesolimbic pathway. Dopaminergic neurons…

A: The mesolimbic pathway is a critical neural circuit in the brain associated with the experience of…

Q: A rapid, predictable motor response to a stimulus is a(n): a) reflex b) relaxation c) contraction…

A: The central nervous system is an evolutionary organ system that has favored the survival of…

Q: Check all that apply: Which nerve fiber can release acetylcholine? a) Postganglionic parasympathetic…

A: Nerve fibers that release acetylcholine as a neurotransmitter are referred to as cholinergic fibers.…

Q: Activation of the parasympathetic branch of theautonomic nervous system(A) increases heart rate.(B)…

A: The peripheral nervous system (PNS) transmits signals from the senses to the central nervous system…

Q: Which is the only cranial nerve (CN )that innervates visceral organs in the thoracic and…

A: Nerves originating from the brain are known as the cranial nerves. They are in 12 pairs. Cranial…

Q: Explain what dual innervation means with regard to the autonomic nervous system.                B)…

A: The living systems can maintain a stable internal environment (hormonal regulation, body…

Q: .........is the type of............in which .......... similar.......... interact to…

A: The question is being asked about reproduction. Their are two types of reproduction as sexual and…

Q: The “rest and digest” portion of the autonomic nervous system is also called the   Question 4…

A: The paraventricular nucleus is the primary hypothalamic region for the central regulation of the…

Q: Guillain-Barré syndrome has been reported worldwide after vaccination against COVID-19. A 76-year…

A: The acute monophasic illness known as Guillain-Barré syndrome (GBS) results in a rapidly progressing…

Q: 51. A 50-year-old man has diminished vibratory sensation on his right leg. Which of the following…

A: Spinal cord It is defined as a long, tube-like tissue band that connects the lower back to the…

Q: 59. A 76-year-old woman is admitted to the hospital after a stroke. She has severe weakness and…

A: There are different types of strokes . They are ischemic and hemorrhagic strokes. Ischemic strokes…

Q: Which of the following is true in regards to dopamine activity in the basal ganglia? (Select all…

A: The basal ganglia refer to the group of subcortical structures located in the brain. They comprise…

Q: a) The process of communication WITHIN neurons is called: ____________ b) and this is achieved via…

A: The central nervous system is an integral body organ system concerned with control, coordination,…

Q: Oligodendrocyte , Astrocytes 1. .......................... enhances the velocity of electrical…

A: The brain is the part of the central nervous system along with the spinal cord. It is the hub of…

Q: What precaution do I have when administering a CNS Stimulant to my patient? A)  Relaxation B)…

A: CNS  stimulants are the drugs which increases activity of brain by releasing dopamine.

Q: Identify two disorders that can result in a depletion, damage, or lack of neurotransmitters in our…

A: Neurotransmitter is a signaling molecule in living organisms which is mianly secreted by a neuron to…

Q: (c) Peripheral nervous system (PNS) consists of nerves that lie outside the brain and spinal cord…

A: INTRODUCTION  The Pheripheral Nervous system  have a nerve fibres or axons that conduct an…

Q: Distinguish between the following types of reflexes: A) Somatic vs. Visceral (autonomic) reflex B)…

A: There are two divisions of the nervous system. The central nervous system includes the brain and the…

Q: Which is the only cranial nerve (CN )that innervates visceral organs in the thoracic and…

A: We know that Nerves originating from the brain are known as the cranial nerves. They are in 12…

Q: 39. The portion of this tracing that is altered most by the activity of both the sympathetic and…

A: Action potentials are produced when a graded potential reaches a threshold point which is caused by…

Q: the most common neurotransmitter in the peripheral nervous system

A: Peripheral nervous system divided into somatic and autonomic nervous system. Autonomic further…

Q: which of the following cells found in the glial scar are permissive to axonal regeneration? a)…

A: Axonal regeneration is the process by which injured nerve fibers or axons in the central nervous…

Q: John Hughes and Hans Kosterlitz identified the endorphin receptor in frogs, and concluded that…

A: Chemicals known as "neurochemicals" have a role in how the brain as well as the nervous system's…