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 Focus Mode Function of that muscle tissue type with respect to the digestive system the respiratory system

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 Focus Mode Function of that muscle tissue type with respect to the digestive system the respiratory system

Anatomy & Physiology

1st Edition

ISBN:9781938168130

Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Publisher:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Chapter10: Muscle Tissue

Section: Chapter Questions

Problem 17RQ: A sprinter would experience muscle fatigue sooner than a marathon runner due to ________. anaerobic...

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NAME THE CHEMICAL TRANSMISSION AND THE NERVOUS SYSTEMBETWEEN A MOTOR NEURONE AND A SKELETAL MUSCLE. ANDEXPLAIN THE STEPS OF THIS CHEMICAL TRANSMISSION ONSKELETAL MUSCLES.
It is not an easy matter to assign particular func-tions to specific components of the basal lamina, sincethe overall structure is a complicated composite materialwith both mechanical and signaling properties. Nidogen,for example, cross-links two central components of thebasal lamina by binding to the laminin γ-1 chain and totype IV collagen. Given such a key role, it was surprisingthat mice with a homozygous knockout of the gene fornidogen-1 were entirely healthy, with no abnormal phe-notype. Similarly, mice homozygous for a knockout of thegene for nidogen-2 also appeared completely normal. Bycontrast, mice that were homozygous for a defined muta-tion in the gene for laminin γ-1, which eliminated just thebinding site for nidogen, died at birth with severe defectsin lung and kidney formation. The mutant portion of thelaminin γ-1 chain is thought to have no other functionthan to bind nidogen, and does not affect laminin struc-ture or its ability to assemble into the basal lamina.…
Imagine that you are part of a research team that specializes in diagnosing disorders associated with malfunctioning cellular structures. Medical doctors consult your group to help diagnose particularly difficult cases. You have been presented with the following data:Patient History:o Seven year-old boyo Fatigueo Muscle weaknesso Low enduranceo Loss of coordinationo Progressive difficulty walkinPhysical Examinationo Muscle loss & deformityo Awkward gaito Difficulty breathingLaboratory Resultso Cells have abnormal shapeo Cell division is abnormalo Impaired intracellular movement of material.Explain which structures may be involved. Use the patient history data to support your conclusions.
Cardiac and skeletal muscle are both “striated” types of muscle and yet they have very distinct functional characteristics. a) Skeletal muscle functions as discrete motor units and the cardiac muscle works as a functional syncytium. Define the italicized terms in the previous sentence, explain their importance, and describe the cellular features that underlie these functional differences. b) Cardiac muscle exhibits automaticity, while excitation of skeletal muscle is neurogenic. Define the italicized terms and provide a brief explanation of mechanisms underlying each.
Magnesium blocks voltage-gated calcium channels on the membrane of smooth muscle cells. How do barium ions affect smooth muscle on the molecular level?
Which of the following statements is false? Slow fibers have a small network of capillar ies. Slow fibers contain the pigment myoglobin. Slow fibers contain a large number of mitochondria. Slow fibers contract for extended periods.
Recently, it has been observed that several muscle diseases and disorders are linked to problems with triad structure and function.One such disorder is called malignant hyperthermia, a dire hypermetabolic response to certain inhaled anesthetics such as halothane. Muscles become very rigid due to excessive contraction (especially the masseter muscle), the body temperature spikes, andmuscles break down. Death is certain if not treated. Given the principal symptoms of malignant hyperthermia, what is its likely cause?Propose a theoretical mechanism for a treatment that would dampen the deleterious effects of this disorder.
While the sarcoplasmic reticulum of muscle was first described by nineteenth-century microscopists, its true significance was not ap-preciated until its intricate structure was revealed much later by the electron microscope. What could you tell a nineteenth-century microscopist to enlighten him or her about the structure of the sarcoplasmic reticulum and its role in the coupling of excitation and contraction?
Table1.Contractionofsmoothmusclebythreeagonists Contractileresponse(mm) Loglagonist] (M) -10 -9 -8.5 -8 -7.5 -7 -6.5 -6 -5.5 -5 -4.5 -4 agonist-1 0.2 1.8 4 9.8 14.8 18 19.6 19.4 20 20 20 20 agonist-2 0.2 1 2.6 4 7.6 8.8 9.6 9.8 10 10 agonist-3 0.2 2 5.2 10 14.8 18 19.6 20 a) Experiments were performed on the contraction of smooth muscleusingincreasingconcentrationsofthreeagonistsandtherespo nsesare given in Table 1. The maximum response of the system was 20mm contraction. Calculate the % maximum response of the systemforeachconcentrationofagonistandplotgraphsshowingthede pendence of the response on log [agonist]. Compare the threeagonists in terms of their maximal effect and their potency usingpharmacologicalterms. EIN 5
The next time you sit down to a turkey dinner, you may beasked if you prefer the “white meat” or the “dark meat.” Whatcan you say about the diameter of the muscle fibers of eachtype of meat? Which would be fast glycolytic fibers and whichwould be slow oxidative fibers? In life, which type of musclewould have had the greatest resistance to fatigue?
31) Provide one difference and one similarity in the process of contraction of smooth, skeletal, and cardiac muscle. These could include channels, mechanisms, anatomic features etc (SHORT ANSWER PLEASE)
2) List the names of the two major Contractile Proteins. Which of the proteins is "bound" and "anchored" to the cell membrane? The other protein essentially "floats" within the ctyoplasm; which contractile protein "floats". 3) Contractions in a muscle cell (or fiber) is always stimulated and intiated by a rapid rise in intrallcellular calcium. Write a brief paragraph or two explaining the differences in the sources of Contraction- causing-Calcium within the 3 different muscle-cell types.