Nutrition: Concepts and Controversies
13th Edition
ISBN: 9781133603184
Author: Frances Sizer, Ellie Whitney
Publisher: Cengage Learning
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Chapter 10, Problem 5SC
Summary Introduction
Introduction:
Carbohydrates, fats and proteins are the organic compounds which are utilized and broken down by the cells of body to gain energy for all the activities of our body.
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Which of the following is NOT a stock form of the key molecules for energy generation in muscle?
A. Creatine phosphate
B. Hemoglobin
C. Glycogen
D. Myoglobin
The energy for muscle contraction is most directly obtained from a.phosphocreatine. b.ATP. c.anaerobic respiration. d.aerobic respiration.
Muscle fatigue is caused by a buildup of a. glycogen. b. oxygen. c. lactic acid. d. ATP.
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Nutrition: Concepts and Controversies
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, health-nutrition and related others by exploring similar questions and additional content below.Similar questions
- Which of the following sentences is NOT correct? A. White fibers make up fast-twitch muscle B. Muscle spindle is a type of receptor that detects muscle length C. Exocrine gland secretes its product directly into the bloodstream D. When an action potential is generated within a motor neuron, every muscle cell of the motor unit is stimulated to contractarrow_forwardThe release of which of the following minerals from muscle cell storage sites stimulates muscle contraction? A. Phosphorus B. Calcium C. Potassium D. Sodiumarrow_forwardWhich of the following statements best describes the sliding filament mechanism of muscle contraction? a. Actin and myosin filaments do not shorten, but rather, slide past each other. b. Actin and myosin filaments shorten and slide past each other. c. As they slide past each other, actin filaments shorten, but myosin filaments do not shorten. d. As they slide past each other, myosin filaments shorten, but actin filaments do not shorten.arrow_forward
- Crossbridges that form during muscle contraction are a bond between: A. Myoglobin and Troponin B. Hemoglobin and Glycogen C. Actin and Myosin D. Toponin and Tropomyosinarrow_forwardPeristalsis is the wavelike, constant, and rhythmic alternating contractions and relaxations of smooth muscle layers. Which smooth muscle layer(s) is involved in peristalsis? a. longitudinal b. circular c. lumen d. b and c e. a and barrow_forwardWhich of the following represents the maximal amount of musclecontraction?a. tetanusb. tonec. twitchd. fermentationarrow_forward
- What do skeletal muscle contractions share in common with smooth muscle contractions?a. Both types of contractions do not require calcium ions for a contraction to occur.b. Both types of contractions generate little force or a weak force.c. Both types of contractions consume very little ATP.d. Both types of contractions result from thick and thin filaments sliding past one another.arrow_forwardWhat structure on a muscle fiber is composed of largely two varieties of contractile proteins--actin and myosin--which slide past each other during muscle activity to bring about shortening or contraction of muscle cells? A. myofilament B. sarcoplasmic reticulum C. transverse tububle D. sarcomeresarrow_forwardMuscle that has a striped appearance is described as being a. elastic b. nonstriated c. excitable d. striatedarrow_forward
- A fatigued muscle lacks sufficient oxygen for the aerobic respiration to supply needed ATP. The accumulation of Select one: a. acetic acid occurs and contractions occur with less strength b. lactic acid (lactate) occurs and muscle cramps may set in c. pyruvate occurs and muscle cramps set in d. ethyl alcohol occurs and less frequent contractions occurarrow_forwardWhich of the following is required for muscle contraction? A. both ATP and Ca++ B. ATP C. Ca++ D. neither ATP nor Ca++arrow_forwardWhat is the first and most direct energy source for muscle contraction? a. glucose b. ATP c. creatine phosphate d. glycogenarrow_forward
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