Bundle: Biology: The Unity and Diversity of Life, 14th + LMS Integrated for MindTap Biology, 1 term (6 months) Printed Access Card
14th Edition
ISBN: 9781305774384
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Textbook Question
Chapter 38, Problem 14SQ
The diaphragm is a ______ muscle.
- a. smooth
- b. skeletal
- c. dome-shaped
- d. a and c
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The firmness of rigor mortis ___.
A.
can be reduced by manipulation of the affected muscles and extremities
B.
will be removed by the application of heat to the muscles
C.
can only be released by the passage of time
D.
None of the above
In relaxed muscle, the myosin-binding site on actin is blocked by ________. a. titin b. troponin c. myoglobin d. tropomyosin
Muscle that has a striped appearance is described as being
a. elastic
b. nonstriated
c. excitable
d. striated
Chapter 38 Solutions
Bundle: Biology: The Unity and Diversity of Life, 14th + LMS Integrated for MindTap Biology, 1 term (6 months) Printed Access Card
Ch. 38 - Respiratory proteins such as hemocyanin _____. a....Ch. 38 - In a _______, air flows continually across the...Ch. 38 - Prob. 3SQCh. 38 - In human lungs, gas exchange occurs at the ______....Ch. 38 - Prob. 1DAACh. 38 - Prob. 2DAACh. 38 - Prob. 3DAACh. 38 - Which holds the most dissolved oxygen? a. warm,...Ch. 38 - When you breathe quietly, inhalation is _______...Ch. 38 - Prob. 7SQ
Ch. 38 - Prob. 8SQCh. 38 - Most oxygen transported in human blood _______. a....Ch. 38 - Prob. 10SQCh. 38 - In fish gills, blood and water move ________. a....Ch. 38 - ______ in arteries sense changes in the acidity of...Ch. 38 - Prob. 13SQCh. 38 - The diaphragm is a ______ muscle. a. smooth b....Ch. 38 - Prob. 15SQCh. 38 - Prob. 1CTCh. 38 - Prob. 2CT
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- When you bring your hand to your shoulder, your biceps muscle ____ and your triceps muscle ____. A.relaxes; contracts B.contracts; contracts C.contracts; relaxes D.lengthens; shortensarrow_forwardDuring muscle contraction, the I band a. hides the H zone. b. shortens or narrows. c. overlaps the Z line. d. always remains the same length.arrow_forwardMuscle relaxation occurs when ________. a. calcium ions are actively transported out of the sarcoplasmic reticulum b. calcium ions diffuse out of the sarcoplasmic reticulum c. calcium ions are actively transported into the sarcoplasmic reticulum d. calcium ions diffuse into the sarcoplasmic reticulumarrow_forward
- In sustained, moderate exercise, skeletal muscle is predominantly using ______________ as its energy source. a. amino acids b. glucagon c. fatty acids d. creatine phosphatearrow_forwardWhich of the following does NOT have striated muscles? a. abdomen b. arm c. hamstring d. liverarrow_forwardThe muscles of a professional sprinter are most likely to have ________.a. 80 percent fast-twitch muscle fibers and 20 percent slow-twitch muscle fibersb. 20 percent fast-twitch muscle fibers and 80 percent slow-twitch muscle fibersc. 50 percent fast-twitch muscle fibers and 50 percent slow-twitch muscle fibersd. 40 percent fast-twitch muscle fibers and 60 percent slow-twitch muscle fibersarrow_forward
- The type of muscle cell under voluntary control is the ________. a. smooth muscle b. skeletal muscle c. cardiac muscle d. visceral musclearrow_forwardThe muscles of a professional marathon runner are most likely to have ________.a. 80 percent fast-twitch muscle fibers and 20 percent slow-twitch muscle fibersb. 20 percent fast-twitch muscle fibers and 80 percent slow-twitch muscle fibersc. 50 percent fast-twitch muscle fibers and 50 percent slow-twitch muscle fibersd. 40 percent fast-twitch muscle fibers and 60 percent slow-twitch muscle fibersarrow_forwardThe actual contractile units of muscle, called _____, extend from middle of one _____ to middle of next along length of myofibrils. A. T tubule, M line B. sarcoplasmic reticulum, H zone C. sarcomeres, I band D. sarcolemma, A bandarrow_forward
- When the length of the muscle stays the same but the force increases during contraction it is referred to as an: A. Isotonic Contraction B. Isometric Contraction C. Isotreppid Contraction D. Isochronal Contractionarrow_forwardMuscle that has a striped appearance is described asbeing ________.a. elasticb. nonstriatedc. excitabled. striatedarrow_forward___ fibers can temporarily store ___ in myoglobin. a. Fast-twitch . . . ATP b. Slow-twitch . . . oxygen c. Fast-twitch . . . oxygen d. Fast-twitch . . . calciumarrow_forward
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