The effects of the sympathetic and parasympathetic neurons on the heart can best be described as a. antagonistic b. identical c. cooperative d. adrenergic

Q: Anti-asthma drugs contain an anti-inflammatory substance that inhibits which substance?…

A: Anti-asthma drugs contains anti-inflammatory substances which in turn provides relief to the…

Q: A contraindication to beta blocker administration is ____________________________.  A) Tachycardia…

A: Here we have to mention the contraindication of beta blocker administration.

Q: Compared to the ventricles, the atria ____.   A do not contract as many times per minute   B…

A: It also removes waste products from the body. It has three components: blood, heart and the blood…

Q: Parasympathetic stimulation of the sinoatrial node ______.   A is necessary; without it the heart…

A: Parasympathetic system of the body is responsible for the body's rest and digestion response when…

Q: Which neurotransmitter/target receptor combinations would you expect to find in these areas of the…

A: Neurotransmitter and target receptor combinations in the areas of the heart are as follows: SA…

Q: The nurse caring for a patient who is receiving beta1 agonist drug therapy needs to be aware that…

A: Beta 1 agonist It binds to selected beta 1 adrenergic receptors and acts on smooth muscle of…

Q: What kind of stimulant would cause a lower heartrate? How would this happen?    Question options:…

A: Lower heart rate is called bradycardia which is defined as heart rate less than 60 beats per minute…

Q: During surgery, the right vagus nerve was accidently cut. Explain the effect on the heart rate. a.…

A: It has three components: blood, heart and the blood vessels. Heart is derived from the mesodermal…

Q: A stroke results froma. hemorrhage in the brain.b. a blockage of a blood vessel in the brain.c. a…

A: Option D is correct i.e. hemorrhage in the brain and a blockage of a blood vessel in the brain.

Q: Vasodilation in the heart and skeletal muscles during exercise is primarily due to the effects of a.…

A: Vasodilation is the phenomena of widening of the blood vessels. This widening of the blood vessels…

Q: A sudden increase in blood pressurea. initiates a sympathetic reflex that decreases heart rate.b.…

A: A blood pressure is defined as the force exerted by the blood against the walls of the arteries when…

Q: Strokes are often caused by ________. a. neurodegeneration b. blood clots or burst blood vessels c.…

A: Stroke symptoms include:  Paralysis Numbness or weakness in the arm, face, and leg, especially on…

Q: below are a number of scenarios. Please determine and explain how each will impact cardiac output.…

A: Cardiac output is the product of the heart rate (HR) and stroke volume (SV). It is measured in…

Q: Increased action potentials from the sympathetic nervous system would cause which of the following?…

A: The sympathetic nervous system (SNS) directs the body's fast involuntary response to dangerous or…

Q: 9. A pharmaceutical company is attempting to develop a new cardiac inotrope by screening plant…

A: Cardiac contractility is the ability of the cardiac muscles to contract effectively.  Various…

Q: A rhythmic beating of cardiac muscle in a mammalian heart is initiated by the _____.…

A: The heart is divided into four chambers consisting of two atria and two ventricles; the atria…

Q: The nurse caring for a patient who is receiving betal agonist drug therapy needs to be aware that…

A: Beta 1 agonist It binds to selected beta 1 adrenergic receptors and acts on smooth muscle of…

Q: Which statement regarding the use of rocuronium is true?

A: Neuromuscular blockers are the drugs which have ability to block the activity of neuromuscular…

Q: In a patient given a cardiac glycoside, important effects of the drug on the heart include which of…

A: Cardiac glycosides are medicines for treating heart failure and certain irregular heartbeats. They…

Q: Your patient has a chronic history of congestive heart failure and does not currently have pulmonary…

A: Congestive heart failure is a clinical condition caused by the heart's inability to pump blood…

Q: Which of the following medications is a beta blocker? A) Hydrochlorothiazide B) Lasix C) Atenolol…

A: Beta blockers are also called as β-adrenergic blocking agents. These are the drugs which are used to…

Q: * Proteinuria caused by a. Albumin infiltration b. Multiple myeloma c. Glucosuria d. Not all of the…

A: Multiple myeloma is a malignancy that develops in the plasma cells of white blood cells. By…

Q: George is a 45-year-old man with a diagnosis of schizophrenia. He lives with his 71-year-old mother…

A: Schizophrenia is a serious mental disorder affecting a person's feelings, thinking, and behaviors…

Q: Hyperkalemia or high blood potassium is associated with a.Heart arrhythmia b.Cardiac arrest c.Not…

A: The causes of hyperkalemia may be a kidney disease, excess intake of potassium rich diet or certain…

Q: Select the correct one, Which of the following would not increase Cardiac Output? A. increase blood…

A: We know that, The amount of blood pumped by the ventricles in 1 minute is measured in terms of…

Q: A heart murmur would be detected in the pathological situation in which blood was flowing from the…

A: Heart murmurs are defined as the blowing or whooshing sound which is heard during a heartbeat caused…

Q: a. It is common in diabetic patient due to neuropathy. b. It may involve very small portion of…

A: A myocardial infarct is mainly caused by rupture of an atherosclerotic plaque in any of the blood…

Q: The most common disorder affecting the heart and blood vessels is ? A. arrhythmia B. Hypertension…

A: There are different types of abnormalities found in the function of heart and in the circulation of…

Q: Nursing When comparing Ist, 2nd and 3rd degree heart block: a. Which has the same contraction rate…

A: In heart blocks, the main problem arises because the contraction from the SA node reaches either…

Q: What occurs during the atrial reflex? a. Atria slow their filling rate. b. There is a decrease in…

A: Answer is d.) an increase in heart rate occurs in response to an increase in blood volume within the…

Q: During emergency situations, even if the nerves to the heart have been severed, the heart rate will:…

A: The Autonomic Nervous System (ANS) generally controls the movements of various parts in the body and…

Q: A patient has been in a serious car accident and is hemorrhaging. Which of the following changes…

A: The heart is a muscular, mesodermally derived organ. It pumps the blood and circulates it in the…

Q: Heart failure occurs when   a. the cardiac output is 15 liters per minute when you are watching…

A: A heart failure means that the heart muscle doesn't actually  pump as much blood as per  body…

Q: Which of the following stimuli may produce an increase in heart rate? Select one: a. a threatening…

A: The correct answer is (c) a picture of a natural disaster.

Q: Even though it is trivial that Beta Blockers might have negative inotropic effect on the heart, but…

A: Beta-blockers act on the Beta 1 receptors which are located in the heart and it slows down the…

Q: 97. Which of the following will directly increase contractility a. Increase in heart rate b.…

A: Heart rate depends on various factors which regulates its normal functioning and development in…

Q: Just number 18

A: Heart consists of four chambers- Right auricle, Right ventricle, Left auricle, Left ventricle.The…

Q: Parasympathetic nerves _____.   A cause smooth muscle in blood vessel walls to contract   B cause…

A: Autonomic nervous system is divided into two divisions known as sympathetic and parasympathetic…

Q: One difference between the semilunar valves and the atrioventricular valves is that only the…

A: The valves that are found between the atria and ventricles are termed as atrioventricular valves,…

Q: Why is the bilood pressure important during sleep? a. When blood pressure increases, it is not felt…

A: Blood pressure is the quantity of force subjected to the inner membranes of the vessels by the blood…

Q: Tissue plasminogen activator (tPA) is helpful in reducing the effect of a stroke only under which of…

A: Stroke is categorized as ischemic stroke and hemorrhagic stroke. The ischemic stroke occurs due to…

Q: The left ventricular wall of the heart is thicker than the right wall in order to ________.   A…

A: Heart is muscle which pumps blood to all parts of your body to provide it with the oxygen and…

Q: A patient is taking a beta blocker as part of the treatment plan for heart failure. The nurse knows…

A: Beta-adrenergic blocking medicines, sometimes known as beta-blockers, prevent beta-adrenergic…

Q: f the sinoatrial node stopped generating action potentials the heart would _____.   A stop beating…

A: The heartbeat starts with an impulse generated by the sinoatrial node (SA node) also known as the…