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To determine:
Why nitroglycerin is prescribed for heart disease patient as in body it is converted into nitric oxide and why nitroglycerin increases blood flow rate and relieves chest pain.
Introduction:
Blood pressure is defined as the pressure of circulating blood in blood vessels. Contraction and relaxation of heart result in the maintenance of the blood pressure. As when heart contract the blood is flow into blood vessels and when it is relaxed blood comes back into the heart. It is measured as systolic over systolic pressure Systolic pressure means maximum pressure between one heart beat diastolic pressure means minimum pressure between two heart beats. It is measured in millimeters of mercury (mmHg). When it is low is called hypotension while when it is high is called hypertension.
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Chapter 34 Solutions
Campbell Biology in Focus; Modified Mastering Biology with Pearson eText -- ValuePack Access Card -- for Campbell Biology in Focus (2nd Edition)
- WHAT IF? Suppose a bird and a human both havegout. Why might reducing purine in their diets helpthe human much more than the bird?arrow_forward. Carbonic anhydrase of erythrocytes (M, 30,000) has one of the highest turnover numbers known. It catalyzes the reversible hydration of CO₂. H₂O + CO₂ H₂CO3 This is an important process in the transport of CO₂ from the tissues to the lungs. If 3 µg of pure carbonic anhydrase catalyzes the hydration of 0.10 g of CO₂ in 1 min at 37 °C at Vmax, what is the turnover number (kcat) of carbonic anhydrase? Keat = 3.79 ×10-¹4 Incorrect I minarrow_forwardis this stement false? Intracellular concentrations in resting muscle are as follows: Fructose-6-phosphate (1.0 mM)Fructose-(1-6)-bisphosphate (10.0 mM)AMP (0.1 mM)ADP (0.5 mM)ATP (5.0 mM)Pi (10.0 mM)Under the above conditions the Phosphofructokinase reaction in muscle is more exergonic than under standard conditions.arrow_forward
- 16. Suppose you were hooked up to the Biofeedback experiment when the fire alarm suddenly turned on so that your resting heart rate (HR) went from 72 bpm to 88bpm and electrodermal activity (EDA) increased from +1.52 to +4.15. Briefly EXPLAIN what happened to HR and EDA in this situation and WHY. Variable HR EDA Resting 72 +1.52 Fire Alarm 88 +4.15 Explain Change in Variables and Give Reasonsarrow_forward01 M Inbox (449) - krys. Start Later, Sleep. 8 Amazing Benefit... /SC The drug Ouabain inhibits the function of the sodium-potassium pump. Predict the short-term and long-term effects of Ouabain on the excitability (ability to be stimulated) of a neuron. Think about the effect this would have on the resting membrane potential. A- В I 三 三 X2 x² =三三arrow_forwardThinking Question #2 The graph shown below represents the binding of oxygen molecules (O2) to two different proteins, myoglobin and hemoglobin, over a range of oxygen concentrations. Based on the graph, which pro- tein has the higher affinity for oxygen? Explain your reasoning. 100 80- 60 40 0. 20 40 60 80 Oxygen concentration (mm mercury) Myoglobín % of protein bound to O, 20 Hemoglobinarrow_forward
- . Intracellular concentrations in resting muscle are as follows: fructose- 6-phosphate, 1.0 mM; fructose-1,6-bisphosphate, 10 mM; AMP, 0.1 mM; ADP, 0.5 mM; ATP, 5 mM; and P;, 10 mM. Is the phosphofruc- tokinase reaction in muscle more or less exergonic than under stan- dard conditions? By how much?arrow_forwarddifferent. 4. What is the AG in kJ mole to pump Ca out of a cell at 37°C if the cytoplasmic and extracellular calcium ion concentrations are 0.45 µM and 1.52 mM, respectively, and the membrane potential is -62 mV? What is the maior difference hotwon the inn. 5arrow_forwardBiochemistry...Represent the reactions when Phosphatidylethanolamine was treated with; (I) Phospholipase C (ii) Phospholipase Darrow_forward
- 8 +++ ➤ In the following table (Table 1), briefly describe the location and a function of each type of muscle tissue, with respect to the digestive system, and to the respiratory system: Table 1. The Role of Muscle Tissue in the Digestive and Respiratory Systems Muscle Location in our body tissue type skeletal cardiac smooth Focus Mode Function of that muscle tissue type with respect to the digestive system the respiratory systemarrow_forwardDerivatioh The equilibrium between dissolved CO2 and carbonic acid can be represented by k12 H+ + HCO3 H2CO3 k21 k13 || k31 К23 К 32 CO2 H2O Show that k23 d[CO2] = (k31 + k32)[CO2] - (k13 + 3 )tH* I[HCO3¯1 K dt where K = [H+][HCO3¯]/[H2CO3]. Step 1 of 4 The equilibrium between dissolved CO2 and carbonic acid can be represented by k12 H+ + HCO; H,CO3 k21 k13 k31 k23 К 32 CO2 H2O d[CO2] corresponding to the given equilibrium. (Assume that H2O is incorporated in the appropriate equilibrium constants. Use the following as necessary: [CO2], [H+], Give the expression for dt [HCO3 ], [H2C03], k12, k13, k21, k23, k31, and k32-) k23 H HCO3 d[CO2] (k31 + k32)[ CO2] - (kK13 + k dt Submitarrow_forwardContractile force generated by cardiac myocytes is regulated by input from the autonomic nervous system. a) Describe the relative importance of the Parasympathetic and Sympathetic branches of the ANS. b) Force modulation and regulation of the rate of relaxation is accomplished by phosphorylation of 4 key proteins. Describe the steps leading to phosphorylation of these proteins. Name each of these proteins and describe the effects their phosphorylation has on cardiac function.arrow_forward
- Biology (MindTap Course List)BiologyISBN:9781337392938Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. BergPublisher:Cengage LearningBiology: The Dynamic Science (MindTap Course List)BiologyISBN:9781305389892Author:Peter J. Russell, Paul E. Hertz, Beverly McMillanPublisher:Cengage LearningHuman Physiology: From Cells to Systems (MindTap ...BiologyISBN:9781285866932Author:Lauralee SherwoodPublisher:Cengage Learning
- Anatomy & PhysiologyBiologyISBN:9781938168130Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark WomblePublisher:OpenStax College
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