Explain why nicotine can cross the blood–brain barrier

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: 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: Describe cerebrospinal fluid flow from secretion to absorption

A: Introduction :- The tissue that lines the ventricles (empty spaces) in the brain produces…

Q: Explain why a damage to the hypothalamus may be detrimental than a damage to the other parts of the…

A: The human brain is the most complicated organ in the body. This three-pound organ is the seat of…

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: first cigarette

A: Nicotine is the addictive drug. It actually occurs naturally in tobacco leaves. But it's not until…

Q: Nicotine: Correct mechanism  Faulty mechanism (ligand, receptor, or response)

A: Nicotine (Nicotiana tabacum) is a chemical compound that contains nitrogen, commonly found in…

Q: Nicotinic receptors are located on which of the following? a. plasma membranes of ganglionic neurons…

A: The nicotinic receptors are the cylindrically-shaped protein that is embedded in the synaptic walls…

Q: What are nicotinic receptors?

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

Q: List the various drugs classified as cholinergic agonists (also called parasympathomimetics).

A: The peripheral nervous system comprises the autonomous system and the somatic nervous system that…

Q: Describe the sympathetic response in a frightening situationfor each of the following body parts:…

A: The autonomic nervous system is divided into parasympathetic and sympathetic nervous systems. The…

Q: Cerebrospinal fluid is found in the a. meninges. b. dura mater.c. subarachnoid space.d. ganglia.e.…

A: Brain is the organs that control and coordinates the whole body. The brain is enclosed in the brain…

Q: Explain the significance of the brain barrier system.

A: Blood-brain barrier is the highly selective border formed by endothelial cells in the brain. Brain…

Q: Compare cholinergic and adrenergic transmission.

A: Adrenergic and cholinergic are 2 pathways of the autonomous nervous system of our body that controls…

Q: Briefly describe the absorption, distribution, metabolism and excretion of nicotine. What factors…

A: Nicotine is a weak base with a pKa value of 7.9. It is a dangerous and highly addictive chemical.

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: Create A picture that is showing the blood brain barrier and its function

A: Blood brain barrier is a selectively semi permeable membrane composed of epithelial or endothelium…

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: Discuss the functions of the sympathetic system

A: Autonomous systems  Autonomous nervous system is the involuntary system of the body that regulates…

Q: nicotinic receptors?

A: Answer :

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: Name the brain regions for nicotine communications and what is associated with messages transported…

A: Ventral Tegmental Area (VTA) of the brain regions for nicotine communication, nicotine appear to…

Q: When nicotine reaches brain, what will it stimutes there?

A: When nicotine reaches brain.

Q: List three meninges of the brain; two subdivisions of the dura mater; and the relationship of the…

A: 3 meninges of brain are : pia matter, arachnoid, dura mater. Two sub divisions of dura mater are…

Q: Narcolepsy is thought to occur from dysfunction of neurons located in the hypothalamus hippocampus…

A: Introduction - Narcolepsy is a persistent sleep condition marked by excessive daytime sleepiness and…

Q: Compare the treatments for drug withdrawal for the most commonly abused opioids (narcotics), central…

A: Substance abuse or drug abuse It is a condition characterized by uncontrolled use of substances for…

Q: Parasympathetic activation can result in all of the following EXCEPT __________.A.constriction of…

A: The autonomic nervous system (ANS) is part of the peripheral nervous system that mainly is mainly…

Q: Explain the effect of the production of more CSF than canbe reabsorbed.

A: The cerebrospinal fluid (CSF) in the brain and spinal cord is a clear, colourless liquid. The cns…

Q: Develop a definition of or for the category of stimulant drugs. In doing so also describe the CNS…

A: Stimulant is a subtances whichraises the levels of physical and nervous activity of the body.

Q: Describe the processes of tolerance to and dependence on nicotine. What is the time frame of…

A: Nicotine is a substance that is found in cigarettes which makes quitting cigarettes difficult.…

Q: What is nicotine?

A: Any family containing organic nitrogen-containing bases is referred to as an alkaloid. Alkaloids…

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: Describe the meningeal coverings surrounding the brain, and explain how the meninges and…

A: The Central neural system is a dorsally placed hollow structure lying along the mid-dorsal axis of…

Q: Predict what might happen if the choroid plexus produced excessive CSF,in amounts greater than the…

A: The choroid plexus (ChP) is a is a plexus of tissue found in each of the brain ventricles, which…

Q: Maintaining a resting level of ANS activity in a cell is called a. autonomic tone. b. cooperative…

A: The nervous system is essential for control and coordination of the body functions. It transmits and…

Q: Dopamine is an important neurotransmitter. Which disease or disorder results when the neurons in the…

A: Neurons communicate with each other and with the controlled organs by passing an electric current…

Q: Which compound can cross the blood–brain barrier more readily, and therefore serve as the more…

A: Pain relievers are those drugs which are known to reduce the headache, soreness, and other pains.…

Q: Describe the structures and cells involved in formation of the blood-brain barrier & the…

A: Blood-brain barrier (BBB) separates circulating blood from the brain and extracellular fluid in the…

Q: Describe the speech production of people with Wernicke’s aphasia.

A: Aphasia is a type of disorder in which a person will have difficulty in communication such as…

Q: What effect, if any, would smoking have on the nicotinic receptors of the ANS?

A: Smoking of the cigarette includes the smoking of nicotine. Nicotine is responsible for the…

Emotions

Emotions are biologically based psychological conditions caused by neurophysiological changes which are linked to different factors such as thoughts, emotions, behavioral responses, and pleasure or displeasure. These emotions are not similar to moods. The mood is an affective state. Mood depends upon several factors, such as weather, the environment, physiology, etc. Emotions can be beneficial or detrimental depending on the situation. Emotional reactions are simple. Emotional well-being is strongly affected by our well-being, and such feelings are private.