Human Physiology: An Integrated Approach (8th Edition)
8th Edition
ISBN: 9780134605197
Author: Dee Unglaub Silverthorn
Publisher: PEARSON
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Chapter 16.5, Problem 8CC
Summary Introduction
To draw: The positive feedback loop initiated by thrombin.
Introduction: The blood plasma contains a large number of proteins that perform different functions. Fibrin is a fiber-like and non-globular protein that takes part in the clotting of blood. The injured area accumulates fibrin and forms fibrin clot to stop the bleeding and initiate clotting
Summary Introduction
To determine: The factor that stops this loop.
Introduction: Coagulation is a process in which a gelatinous clot is formed from the blood fluid. There are two pathways that are involved in the process of coagulation, one is the intrinsic pathway, and another is the extrinsic pathway.
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Chapter 16 Solutions
Human Physiology: An Integrated Approach (8th Edition)
Ch. 16.1 - Name the five types of leukocytes.Ch. 16.1 - Prob. 2CCCh. 16.1 - On the basis of what you have learned about the...Ch. 16.2 - Prob. 4CCCh. 16.3 - Distinguish between (a) heme and hemoglobin, and...Ch. 16.3 - Prob. 6CCCh. 16.3 - Prob. 7CCCh. 16.5 - Prob. 8CCCh. 16 - Prob. 1RQCh. 16 - List the three types of plasma proteins. Name at...
Ch. 16 - Prob. 3RQCh. 16 - Blood cell production is called ________. When and...Ch. 16 - Prob. 5RQCh. 16 - Prob. 6RQCh. 16 - Prob. 7RQCh. 16 - Prob. 8RQCh. 16 - Prob. 9RQCh. 16 - Prob. 10RQCh. 16 - Prob. 11RQCh. 16 - Chemicals that prevent blood clotting from...Ch. 16 - Combine each list of terms into a map. You may add...Ch. 16 - Prob. 14RQCh. 16 - Prob. 15RQCh. 16 - Prob. 16RQCh. 16 - Prob. 17RQCh. 16 - Prob. 18RQCh. 16 - Prob. 19RQCh. 16 - Prob. 20RQ
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- Cells in the body have the ability to undergo a transiet depolarization and repolarization. A. Plot the action potential of non-pacemaker cardiac myocyte and indicate what kinds of ion channels involved in each phase and compare ion movement during a myocardial cell's action potential to ion movement of a neuron's action potential. B.Explain why contractions in the cardiac muscle cells are different to skeletal muscle cells.arrow_forwardIn a sheet of ventricular cardiac muscle tissue, we should be able to observe electricity spreading between adjacent muscle cells (TRUE or FALSE) and from Purkinje fibers to muscle cells (TRUE or FALSE) via electrical synapses that form between the cell membranes.arrow_forwardExplain the physiological reasons for cells such as leucocytes’ need to undergo cell locomotion.arrow_forward
- Define plasminarrow_forward1) If a heart lacked gap junctions, an organ-level contraction would occur.True/False 2) We care about mean arterial pressure specifically because we care about having an appropriate rate of blood flow through capillaries. True/False 3) A person's L-type channels are mutated so that they do not inactivate. How would this affect the time duration of a cardiac action potential? Group of answer choices a)Increase b)No change c)Decrease 4) A person's L-type channels are mutated so that they do not inactivate. How would this affect the time duration of a cardiac muscle cell contraction? Group of answer choices a)Increase b)No change c)Decreasearrow_forwardBelow are drawings of three different action potentials. Two of these occur in the heart, and one occurs in skeletal muscle. Which one comes from a contractile cardiac muscle cell? A skeletal muscle cell? A cardiac pacemaker cell? For each one, state which ion is responsible for the depolarization phase and which ion is responsible for the repolarization phase.arrow_forward
- Name the enzyme that catalyses the formation of carbonic acid in erythtocytes.arrow_forwardConsider the ventricular cardiomyocyte action potential shown below: a) Which phase of the cardiac myocyte action potential would be most significantly affected by the L-type calcium channel blocker nifedipine? b) Draw the predicted effects of nifedipine on the cardiac myocyte action potential.arrow_forwardIf all plasma membrane Ca21 channels in contractile cardiac muscle cells were blocked with a drug, what would happen to the muscle’s action potentials and contraction?arrow_forward
- Hyperglycemia associated with diabetes promotes a prothrombotic state by affecting a number of different steps in the clotting pathway. Which of the following would result in more rather than less clotting? Check all that apply. The correct answers reflect the effect of hyperglycemia on the clotting pathway! less conversion of plasminogen to plasmin 7 000000000 abnormally low number of platelets platelets more sensitive to thromboxane A2 elevated conversion of plasminogen to plasmin platelets less sensitive to thromboxane A2 low sensitivity to NO and PGI2 increased prothrombin in the blood increased amount of fibrinogen in the blood less prothrombin in the blood abnormally high number of platelets less fibrinogen in the blood high sensitivity to NO and PGI2arrow_forwarda) A consequence of the Frank-Starling law of the heart is that the outputs of the right and left ventricles match. Explain why this is important and how this match is made.b) The excitation-contraction matching mechanism within the heart muscle is different from that of the skeletal muscle. How might these differences be related to the difference between action potentials in cardiac muscle and skeletal muscle?arrow_forward(please type answer).arrow_forward
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