Which chemicals cross the blood–brain barrier by active transport?

Q: What is the CSCR?

A: Introduction CSCR is a medical condition in which there is fluid builds up under the centre of…

Q: Discuss the brain (nervous system) basis for Parkinson's disease. (600-700 words)

A:

Q: Describe how the blood-brain barrier helps protect the brain from damage. What types of chemicals…

A: The nervous system and endocrine system together are responsible for the control and coordination of…

Q: List the Protective Elements associated with the Brain?

A: Step 1 In the embryo, the brain develops as a chain of three vesicles – prosencephalon (forebrain),…

Q: Does baclofen cross blood-brain-barrier or not? What is a major clinical application for baclofen?

A: Semipermeable membrane made up of endothelial cells is known as The blood-brain barrier (BBB). This…

Q: What is conduction Aphasia?

A: Conduction aphasia is a language disorder.It is characterized by selective defect of oral repetition…

Q: Explain what is meant by the blood-brain barrier. Describe its structure and discuss its clinical…

A: An network of veins and tissue that is comprised of firmly divided cells and helps shield…

Q: What is the route to brain when substance intake is through snoring ?

A: Medications are administered through various routes such as oral, intravenous, nasal, sublingual,…

Q: Describe the nature and significance of the blood-brain barrier.

A: The blood-brain barrier is an important part of the central nervous system. it is studied under the…

Q: What is the route to brain when substance intake is through injection ?

A: There are various routes by which the medicines are administered into the body. It depends on the…

Q: What are preganglionic neurons?

A: BASIC INFORMATION  NERVOUS SYSTEM :- It is of two types namely Central nervous system (CNS) and…

Q: What are nicotinic receptors?

A: Receptors are the structures made up of proteins that are responsible for receiving and transducing…

Q: Give Presynaptic factors?

A: The process of relating to or denoting the nerve cell that will releases the transmitter substance…

Q: Alcohol intoxication can produce slurred speech. Howis this related to cerebellar function?

A: Alcohol causes many changes in the body as well brain. Brain activity becomes slow that leads to…

Q: What class of chemicals prevents apoptosis in the sympathetic nervous system?

A: Apoptosis is the programmed cell death in multicellular organism, there are some biochemical process…

Q: Identify one major advantage and one disadvantage of having a blood–brain barrier.

A: Anatomy and physiology are the branches of biology, anatomy deals with the study of the structure of…

Q: Give reasons for this continued depolarization?

A: The nerve cell or neuron is the fundamental unit of the nervous system along with the brain. They…

Q: What is the sympathetic division?

A: Sympathetic Division is one of the two main divisions of the Autonomic Nervous system. This division…

Q: Explain why nicotine can cross the blood–brain barrier

A: The blood-brain barrier is a highly selective semi-permeable border of endothelial cells that…

Q: What is the action of Sympathetic division (arousing) on heart beat functioning when a crisis…

A: Nervous System -- Structurally the nervous system is divided in to two parts ( i ) Central Nervous…

Q: Describe the events leading to the generation of anaction potential.

A: Ans: Action potential: It is the process of sudden, fast as well as propagating changes in the…

Q: How does the blood-brain barrier protect nervous tissue?

A: The brain is the command centre of the body and the central organ of the nervous system. The brain…

Q: Name the two components of the brain barrier system and explain the importance of this system.

A: The brain is one of the largest and most complex three-pound organs in the human body enclosed in a…

Q: Explain how severe hypoxia and hypercapnia affect thecentral nervous system.

A: Hypoxia is defined as a low level or absence of oxygen in the tissues. There are so many signs and…

Q: nicotinic receptors?

A: Answer :

Q: What is the difference between Multiple Sclerosis and Amyotrophic lateral Sclerosis?

A: Multiple Sclerosis is a disease that affects the brain and spinal cord. It destroys the myelin…

Q: A person living in a coma is considered living or dead?

A: Coma is a prolonged stage of sleep caused by a variety of factors such as traumatic brain injury,…

Q: What important function does the blood-brain barrier serve? How might this barrier be problematic at…

A: Blood brain barrier is a highly selective semipermeable border of endothelial cells that surrounds…

Q: How does an increase in the CO2 concentration in theblood affect the pH of cerebrospinal fluid?

A: Cerebro spinal fluid (CSF) refers to the colorless fluid that is present in the brain and spinal…

Q: What effect would loss of sympathetic stimulation have on the flow of air into the lungs?

A: All body functions are regulated by the nervous system and endocrine system. These systems work…

Q: What role Intercalating agents play ?

A: A change in the sequence of the DNA is called a mutation.

Q: What is Sellick's maneuver, when is it used, how is it performed? How can a CST be of assistance by…

A: A CST(certified surgical technologist) is a person/professional who plays a major role in the…

Q: Is ethanol a stimulant or a depressant?

A: Ethanol is considered as a chemical organic compound, which has the simple formula C2H6O or…

Q: Why might some people have hyperactive panic circuit and be prone to the development of panic…

A: Panic attacks are sudden, feelings of fear without any reasons and anxiety that cause physical…

Q: Can you use a beta-blocker for patients having a stage fright? Why or why not?

A: Beta blockers is a class of drugs mainly used to control blood pressure and other conditions. Fright…

Q: What are the different types of cerebral edema?

A: Introduction: The simplest definition of cerebral edoema is brain swelling. It is a rather…

Q: How would the effects differ between a drug that blocks muscarinic acetylcholine receptors and one…

A: Drug can inhibit or block nicotinic acetylcholine receptors and muscarinic acetylcholine receptors.

Q: Explain how decompensation develops and its effects onthe central nervous system.

A: Decompensation is the deterioration in the functioning of the body system which previously function…

Q: What are the four stages of increased intracranial pressure?

A: Using laboratory methods (analysis, microscopy, immunotherapy, microbiology, virology,…

Q: Define the term subarachnoid space?

A: The brain is among the human body's largest and most complicated organs. The brain is made up of a…

Q: Why do get dizzy

A: Dizziness is a feeling of woozy, unbalanced, or lightheadedness. It affects the sensory organs of…

Q: Name the fluid that provides the protection and nourishment to the cells of the brain.

A: Answer: Introduction:  Covered in the skull, the brain has divided into three parts cerebrum,…

Q: How are level of consciousness and cranial nerve reflexes used to assess changes in neurologic…

A: Level of consciousness provides a general measure of brain function and injury severity and is…

Defense Mechanism

Circumstances influence and compel people to behave in a certain way. One such behavior is a defense mechanism. It is employed by people to escape from unpleasant circumstances, thoughts and actions. Defense mechanisms are, thus, psychological strategies that help to avert and avoid unwanted feelings such as guilt or shame and situations such as threat and danger.