Laboratory Manual For Human Anatomy & Physiology
4th Edition
ISBN: 9781260159363
Author: Martin, Terry R., Prentice-craver, Cynthia
Publisher: McGraw-Hill Publishing Co.
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Textbook Question
Chapter 10, Problem 8PL
Both cardiac and skeletal muscle cells are under voluntary control.
- True
- False
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When a person builds muscle, such as from weight lifting, skeletal muscle fibers divide to increase muscle mass.
True
False
Which of the following muscle types and characteristic is correctly matched?
Group of answer choices
Cardiac muscle : dense body anchoring proteins
Skeletal muscle : varicosity at neuromuscular junctions
Smooth muscle : Calcium-calmodulin regulation of myosin light chain kinase
Cardiac muscle : calcium only from the sarcoplasmic reticulum
Which of the following muscle types and characteristic is correctly matched?
Smooth muscle : Ca-calmodulin regulation of myosin light chain kinase
Cardiac muscle : calcium only from the sarcoplasmic reticulum
Cardiac muscle : dense body anchoring proteins
Skeletal muscle : varicosity at neuromuscular junctions
Chapter 10 Solutions
Laboratory Manual For Human Anatomy & Physiology
Ch. 10 - Which muscle tissue is under conscious control?...Ch. 10 - Which of the following organs lacks smooth muscle?...Ch. 10 - Which muscle tissue lacks striations? cardiac...Ch. 10 - Which of the following conduct action potentials?...Ch. 10 - Muscles of facial expression are smooth muscles....Ch. 10 - Which muscle tissue is multinucleated? skeletal...Ch. 10 - Prob. 7PLCh. 10 - Both cardiac and skeletal muscle cells are under...Ch. 10 - Match the tissues in column A with the...Ch. 10 - The word fiber is used to describe a structure in...
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- You are supervising a student who is carrying out several experiments on an animal species that has cardiac muscle almost identical to that of humans. She has recorded the electrical and contractile response of the muscle after stimulation and asks you to take a look at the graph.arrow_forwardUnlike skeletal and smooth muscle tissue, cardiac muscle is “self-excitable”. Explain how this property of cardiac muscle works, and why it is important in the cardiac cycle. please help with examplesarrow_forwardWhich of the following is NOT associated with cardiac muscle contraction? Contraction requires myosin light-chain kinase activity. Electromechanical calcium release mechanism. Contraction based on the sliding filaments theory. Troponin as calcium-sensing protein. Calcium-induced calcium release mechanism.arrow_forward
- Can cardiac muscle exhibit (normally or under experimental conditions) summation or complete tetanus as does skeletal muscle? Why not? (highlight the main answer)arrow_forwardUnlike skeletal muscle, cardiac muscle doesn’t undergo tetany. Explain how this is achieved and why is this necessary?arrow_forwardIn cardiac muscle, which ion serves both to depolarize the cells and as the essential link to myocyte contraction (the troponin/tropomyosin part)? a-Na+ b-Ca+ c-Ca2+ d-Cl-arrow_forward
- Explain the concept of tetany in skeletal muscle. Can cardiac muscle be tetanized? Explain the physiological significance of your answer.arrow_forwardMuscle is striated and not under voluntary control Cardiac Smooth Skeletalarrow_forward_____ contraction drives blood through the systemic and pulmonary circuits; outside the heart, blood pressure is highest in the _____. a. Atrial; ventricles b. Atrial; atria c. Ventricular; arteries d. Ventricular; aortaarrow_forward
- Discuss the importance of smooth muscle cells present in the aorta and all arteries.arrow_forwardWhich of the following characteristics is NOT a property of cardiac muscles? Group of answer choices involuntary control intercalated disks multinucleated striatedarrow_forwardIf someone is on a heart-rate limiting medication, what is the best way to track exertion to ensure safety? Karvonen method Just ask questions Measure lactate threshold Rating of perceived exertionarrow_forward
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