If the type of active ingredient in found in antihistamine type medications relates to the heart rate of a Daphnia magna (water flea) through its respiration‚ then Benadryl will significantly reduce the heart rate of the Daphnia after 2 minutes compared to Zyrtec and Claritin‚ whose ingredients will cause an increase in heart rate after 2 minutes. Benadryl is a first-generation antihistamine that contains diphenhydramine as the active ingredient‚ Zyrtec is a second-generation antihistamine that
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■ HSW 1.2: Criteria 2‚ 3‚ 4‚ 5‚ 8 and 10 – The effects of temperature on heart rate in Daphnia Criterion 2: Using knowledge to pose scientific questions‚ define problems and present arguments and ideas What knowledge of the biology of Daphnia is essential to the design of this experiment? Criterion 3: Using appropriate methods to answer scientific questions and solve problems Why are Daphnia cultures ‘pre-incubated’ for 5 minutes under specified conditions‚ prior to experimentation?
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the citation should be as follows: Jumping ability in fleas is correlated with resting metabolic rate (Krasnov et al.‚ 2004). Mills‚ E.L.‚ and J.L. Forney. 1983. Impact on Daphnia pulex of predation by young yellow perch in Oneida Lake‚ NewYork Saegrov‚ H.‚ A. Hobaek‚ and J.H. Labeelund. 1996. Vulnerability of melanic Daphnia to brown trout predation Zaret‚ T.M. 1980. Predation and freshwater communities. Yale University Press‚ New Haven‚ CT.
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Universit6 de Paris-Sud‚ Orsay (Received April 9/July 17‚ 1973) Extracts prepared from rat diaphragms incubated with or without theophylline and/or epinephrine have been tested for their total cyclic AMP content and for their ability to bind exogenously added cyclic ["]AMP. Less cyclic [3H]AMP can be bound inthe extracts after theophylline and/or epinephrine treatment indicating that the rise in cyclic AMP level was accompanied by a n increase in the quantity of cyclic AMP bound intracellularly to the
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a quick response is necessary to prevent serious complications of anaphylaxis. An epinephrine autoinjector prescription should be filled immediately. Anyone who is at risk of anaphylaxis should keep at least one epinephrine autoinjector with them at all times. Epinephrine is the best treatment for anaphylaxis and it works best if it is given within the first few minutes of a severe allergic reaction. Epinephrine rapidly treats all of the most dangerous symptoms of anaphylaxis‚ including throat swelling
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Impact of Neurotransmitters on Physical and Mental Behavior Physiological Psychology November 20‚ 2011 Neurotransmitters are powerful chemicals that regulate numerous physical and emotional processes such as mental performance‚ emotional states and pain response. Virtually all functions in life are controlled by neurotransmitters. They are the brain’s chemical messengers. Interactions between neurotransmitters‚ hormones‚ and the brain chemicals have a profound influence on overall health and
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ACLS PRE-TEST ANNOTATED ANSWER KEY June‚ 2011 Question 1: Please identify the rhythm by selecting the best single answer Agonal rhythm/asystole Atrial fibrillation Atrial flutter Coarse ventricular fibrillation Fine ventricular fibrillation Monomorphic ventricular tachycardia Normal sinus rhythm Polymorphic ventricular tachycardia X Pulseless electrical activity Reentry supraventricular tachycardia Second-degree AC block (Mobitz I Wenckebach) Second-degree AV block (Mobitz II block) Sinus bradycardia
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then experienced difficult breathing accompanied by swelling and redness to the region of trauma. With the patient’s symptoms and his paternal history of allergies to wasps‚ treatment of anaphylaxis should be done before any tests are done. First epinephrine is administered to stop the allergic reaction‚ and oxygen is administered to raise the patient’s blood oxygen levels. Injections of antihistamines and cortisone are also given to the patient to help reduce the swelling of the trachea reliving some
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While most schools and households have peanuts in their homes and schools. Most people do not know the severe risk that could harm someone else around you. A book written by Doctor Michael C. Young states that food allergies affect eight percent of children under three and six to eleven percent of school age children‚ and only fifty percent of children outgrow milk and egg allergies by the age of six‚ but only ten percent outgrow peanut allergy by the age of nine. The prevalence of peanut and tree
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agonist and decrease heart rate. 3. Norepinephrine affects the heart rate by You correctly answered: a. increasing the rate of depolarization and increasing the frequency of action potentials. 4. The __________ receptor binds norepinephrine and epinephrine. You correctly answered: b. ß-1 adrenergic 02/06/13 page 1 Experiment Results Predict Question: Predict Question 1: Pilocarpine is a cholinergic drug‚ an acetylcholine agonist. Predict the effect that pilocarpine will have on heart
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