Holly takes night classes at the local community college. Afterher lecture, she walks alone to her car and suddenly hearsseveral dozen screeching birds fly away from the tree she iswalking under. Holly immediately feels her heart poundingand notices that her breathing rate has increased. Minutes later,she still feels tense and “on edge.” What happened internallyto cause Holly’s initial response? Why did Holly still feel tenseminutes later?

Q: A(n) ...... in blood pressure...... the baroreceptors and thus..... the sympathetic…

A: The blood circulating through the cardiovascular system is responsible for the transport of oxygen…

Q: In cardiac autorhythmic pacemaker cells, how does parasympathetic stimulation make it more…

A: The heart shows autorhythmicity which means that the heart itself can initiate the heartbeat.…

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: Compared to most drugs, nicotine isunusual, because at low doses it is mainlya stimulant but at high…

A: Nicotine is the drug that is primarily inhaled through the smoke tobacco cigarettes. It is produced…

Q: hy would the baroreceptors reflex not compensate for these change

A: Baroreceptor reflexes being a part of major functional powerhouse of human's physiology, plays a…

Q: Amelia is a 68-year-old woman who was brought into ED by her neighbour. She woke this morning at…

A: Irbesartan/ Hydrochlorothiazide : Irbesartan/ Hydrochlorothiazide Is a combination drug that is used…

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: Parkinson disease is the result of decreased levels of theneurotransmitter dopamine in the brain.…

A: DopamineIt is present in the brain of the majority of animals and they belong to a drug family…

Q: What brain mechanism enables the startle reflex to be so fast?

A: The startle reflex is a short and spontaneous defensive reaction provoked by an abrupt and intense…

Q: Which is the brain regionresponsible for the regulationof breathing and bloodpressure?

A: The process of breathing operates to exchange gases between the environment and the body. When…

Q: During development, what keeps excitatory interneurons on the same side of the midline as their cell…

A: The central nervous system comprises the brain and spinal cord. The nervous system is a greatly…

Q: The heart receives afferent signals from the vagus nerve (X). What branch of the ANS does it belong…

A: The part of the nervous system that controls bodily functions which are not controlled voluntarily…

Q: Over the weekend, Tony, 22 years old, developed severe chest painsthat became worse with deep…

A: A layer of the pericardial membrane supports the heart muscle and is packed with pericardial fluid.…

Q: patient HA, who was bedridden for a few days, feels dizzy and experiences significant increase in…

A: Since you have not mentioned a specific question to be answered. Therefore, we are answering…

Q: What is excitotoxicity?

A: Millions of neurons communicate with one another via electrical impulses in the brain tissue. When a…

Q: What will you do as a CNA when you overwhe

A: Nursing counselling and advise involves certain intervention which helps process focusing on the…

Q: which is a chaotic, disorganized, and ineffective state occurring within the atria?

A: Arrhythmia is an irregular heartbeat, if the heartbeat is too fast it is called tachycardia and if…

Q: Write a detail essay explaining the autonomic nervous system involuntary responses?

A: The autonomic nervous system is a important control function just like blood pressure, digestion,…

Q: What does the intrapleural pressure prevent under normal circumstances?

A: Lungs are the main organs of gas exchange in humans.

Q: If the initial level of sympathetic tone were not present, then only vasoconstriction could occur as…

A: The sympathetic nervous system (SNS) is one of the two main divisions of the autonomic nervous…

Q: Motor neurons of the Enteric nervous system monitor: Select one: a. The blood pressure O b. The…

A: The answer for the above first topic given below.

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: What are the main input and output components of the autonomicnervous system?

A: Autonomic Nervous System(ANS)  The autonomic nervous system is involved in a complex of reflex…

Q: Which of the following would be a side-effect of a muscarinic agonist that is used to treat dry…

A: Introduction: A muscarinic agonist is a substance that stimulates the muscarinic acetylcholine…

Q: Benztropine is an anticholinergic agent to treat Parkinson's diseaseSome adverse effects of this…

A: Parkinson's disease is a neurodegenerative disease.  In this condition function of basal ganglia…

Q: What is the influence of the sympathetic NS when the blood pressure is high?

A: Homeostasis refers to the process of maintaining internal physiological parameters in a changing…

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 effect would vasoconstriction of peripheral blood vessels have on body temperature on a hot…

A: The shrinking of the blood vessels is called vasoconstriction.

Q: Dilates blood vessel of the skin ........   : increased sympathetic tone decreased sympathetic…

A: The autonomic nervous system is the part of the nervous system that supplies the internal organs,…

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 effect does an increase or a decrease inextracellular potassium, calcium, and sodium ions have…

A: Introduction: The blood comprises blood cells, namely red blood cells, white blood cells, platelets,…

Q: The heart receives afferent signals from the vagus nerve 00. What branch of the ANS does it belong…

A: Introduction: The central nervous system is the processing body centre which is formed by the brain…

Q: When the sympathetic division detects a decrease in blood pressure, will it engage in a positive or…

A: The positive feedback loop in the body occurs when a product produced influences the initiator…

Q: Parasympathetic nerve fibers are found in the nerves andrelease at the heart.a. cardiac,…

A: Parasympathetic nerve strands innervate the heart and influence the pulse in a hindering design.…

Q: What two effects result when the baroreceptor response to elevated blood pressure (BP) is triggered?

A: The circulatory system is that organ of the body that is responsible for the circulation and…

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.