Homework Answers
An agonist binds to the receptor and causes the same effect as the normal ligand, I.e. it causes therapeutic effects.
Antagonist blocks the receptor activity,not agonist.
So answer is C.
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QUESTION 4 A drug which is an agonist binds to a receptor and blocks the effects...
Question 14 1.81 pts A drug binds and activates a receptor of the natural ligand (neurotransmitter)....
Question 14 1.81 pts A drug binds and activates a receptor of the natural ligand (neurotransmitter). It interferes with the binding site for the principal ligand. Indirect Agonist Indirect Antagonist Direct Agonist Direct Antagonist
QUESTION 28 Which drug is blocks the actions at a beta receptor? albuterol esmolol clonidine terazosin
QUESTION 28 Which drug is blocks the actions at a beta receptor? albuterol esmolol clonidine terazosin
Question 1 (1 point) Vasoconstriction occurs when epinephrine (adrenaline) binds to the a-adrenergic receptor on vascular...
Question 1 (1 point) Vasoconstriction occurs when epinephrine (adrenaline) binds to the a-adrenergic receptor on vascular smooth muscle cells. One way to treat high blood pressure is to administer competitive inhibitors that bind to this receptor. The Kd for binding of epinephrine to this receptor is ~UM. Based on the measured affinity (Kd) of the following drugs for the a-adrenergic receptor, which might be good candidates for high blood pressure medication? Drug A: Kd = 0.6 M; Drug B: Kd...
Match the definition with the correct term. C - C C Toxicology The Route of Exposure...
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QUESTION 4 Which of the following is true of glycogen synthase? • The enzyme has measurable...
QUESTION 4 Which of the following is true of glycogen synthase? • The enzyme has measurable activity only in liver. • It uses glucose-6-phosphate as donor of glucose units • It catalyzes addition of glucose residues to the nonreducing end of a glycogen chain by formation of (a1 + 4) bonds. • The conversion of an active to an inactive form of the enzyme is controlled by the concentration of CAMP
Unit 1 Exercise #20 Case Study A Drug Class Names Some of the questions and fill-in-the...
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Question 15 (2 points) Which of the following matches the effects of the autonomic nervous system...
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Question 14 1.81 pts A drug binds and activates a receptor of the natural ligand (neurotransmitter). It interferes with the binding site for the principal ligand. Indirect Agonist Indirect Antagonist Direct Agonist Direct Antagonist
QUESTION 28 Which drug is blocks the actions at a beta receptor? albuterol esmolol clonidine terazosin
Question 1 (1 point) Vasoconstriction occurs when epinephrine (adrenaline) binds to the a-adrenergic receptor on vascular smooth muscle cells. One way to treat high blood pressure is to administer competitive inhibitors that bind to this receptor. The Kd for binding of epinephrine to this receptor is ~UM. Based on the measured affinity (Kd) of the following drugs for the a-adrenergic receptor, which might be good candidates for high blood pressure medication? Drug A: Kd = 0.6 M; Drug B: Kd...
Match the definition with the correct term. C - C C Toxicology The Route of Exposure Inhalation route of exposure Ingestion route of exposure Injection route of exposure Acute exposure Chronic exposure Dose-Response relationship SDS LD50 A. a single incident/over a short amount of time _target lungs and respiratory system may enter blood B. supply in mouth and through G.I.tract. If absorbable can enter C. blood supply the amount of toxic agent and the reaction of the organism measurement Ethrough...
Question 4 A new drug is being tested in the clinical trial. The first group of patients receives the drug by two modes of administration, by mouth and intravenously. After receiving the drug (oral or i.v.), blood is drawn every hour to determine the concentration of drug in the bloodstream. After the trial is over, the pharmacologists and physicians determine that the drug can be given by mouth. Which answer best describes how this conclusion was determined? Not yet answered...
QUESTION 4 Which of the following is true of glycogen synthase? • The enzyme has measurable activity only in liver. • It uses glucose-6-phosphate as donor of glucose units • It catalyzes addition of glucose residues to the nonreducing end of a glycogen chain by formation of (a1 + 4) bonds. • The conversion of an active to an inactive form of the enzyme is controlled by the concentration of CAMP
Unit 1 Exercise #20 Case Study A Drug Class Names Some of the questions and fill-in-the blanks are terms you've already learned, others are from the medication classes listed below. Tetracyclines Sulfonylureas Non-steroidal anti-inflammatory drugs (NSAIDS) Selective serotonin reuptake inhibitors (SSRIS) Thioamines Beta blockers Phenothiazines Diuretics Nitrates ACEIS/ARBS (Angiotensin converting enzyme inhibitors/Angiotensin receptor blockers) Z. C. is 62 years-old and is being evaluated in the emergency room for a possible heart attack. He has a history of hyperthroidism for which...
Question 15 (2 points) Which of the following matches the effects of the autonomic nervous system subdivisions on ion channels in effector cells when controlling heart rate? C 1) parasympathetic nervous system opens calcium channels 2) parasympathetic nervous system opens potassium channels 3) sympathetic nervous system opens chloride channels Save Question 16 (2 points) Acetylcholine binds to nicotinic receptors which causes this ion channel to open. How is this channel gated? 1) voltage 2) antagonistically 3) mechanically tarted 4) 名...
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