Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
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
The names of the muscles can indicate all of the following, EXCEPT ___________.
a.myofibril numbers of the muscle
b.the direction of the muscle relative to the long axis of the body
c.action of the muscle
d.the region of the body where the muscle is located
2. An exocrine gland that loses small parts of its cell bodies during secretion, as is the case for the mammary gland, is further classified as a ____________ gland.
a.Endocrine
b.Merocrine
c.Holocrine
d.Apocrine
Chapter 38 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
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_forwardAll muscles attach to bone or connective tissue at no fewer than two points including an origin and insertion. Muscle contraction causes the _________ to move towards the __________. a. insertion; origin b. origin; origin c. origin; insertion d. insertion; insertion e. none of the abovearrow_forwardIn sustained, moderate exercise, skeletal muscle is predominantly using ______________ as its energy source. a. amino acids b. glucagon c. fatty acids d. creatine phosphatearrow_forward
- Which of the following does NOT have striated muscles? a. abdomen b. arm c. hamstring d. liverarrow_forwardWhen 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_forwardHeart muscle cells would tend to separate without..... a.stroma b.flana c.intercalated discs d.myofilamentsarrow_forward
- Muscle fatigue is caused by ________. a. buildup of ATP and lactic acid levels b. exhaustion of energy reserves and buildup of lactic acid levels c. buildup of ATP and pyruvic acid levels d. exhaustion of energy reserves and buildup of pyruvic acid levelsarrow_forwardIf a stretch reflex is activated, the muscle will a. lengthen. b. relax. c. shorten. d. none of abovearrow_forward28. The pairs of skeletal muscles are the prime mover and antagonist. A. True B. False ____ 29. Injury to the muscle tendon in front of the tibia is A. rotator cuff injury. B. shin splints. C. muscle atrophy. ____ 30. What is the lubricating substance that is secreted to reduce the friction of joint movement? A. amphiarthoses B. synovial fluid C. bursaearrow_forward
- Blood is forced out of the penile lacunae bycontraction of the ______a. bulbospongiosus muscle.b. ischiocavernosus muscle.c. cremaster.d. trabecular muscles.e. dartos fascia.arrow_forwardWhen this large muscle contracts, the vertical dimensions of the thoracic cavity increase. a. external intercostal b. internal intercostal c. diaphragm d. transversus thoracisarrow_forwardThe muscle used in breathing is thea. oblique.b. diaphragm.c. rectus abdominis.d. smooth.arrow_forward
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