Muscular System - Quiz - Multiple Choice with correct answers 2024.

Which of the following types of muscle tissue is found within your digestive system and used to move food through your esophagus, stomach, and intestines? a) Smooth b) Skeletal c) Cardiac d) Gastrointestinal - correct answer a) Smooth Which of the following types of muscle tissue is striated and used to control your voluntary muscles? a) Smooth b) Skeletal c) Cardiac d) Gastrointestinal - correct answer b) Skeletal A bundle of muscle fibers is called a ___________. a) Muscle b) Myofibril c) Perimysium d) Fascicle - correct answer d) Fascicle Muscles are made of bundles upon bundles of fibers. Which is the correct order from SMALLEST TO LARGEST in this organizational structure of muscle? a) Fascicle, Muscle Fiber, Myofibril, Muscle b) Muscle Fiber, Myofibril, Fascicle, Muscle c) Myofibril, Fascicle, Muscle Fiber, Muscle d) Myofibril, Muscle Fiber, Fascicle, Muscle - correct answer d) Myofibril, Muscle Fiber, Fascicle, Muscle Which of the following membranes surrounds an entire muscle? a) Epimysium b) Perimysium c) Actin d) Endomysium - correct answer a) Epimysium Which two structures engage to create muscle contraction? a) Fascicle & Actin b) Actin & Perimysium c) Troponin & Tropomyosin d) Actin & Myosin - correct answer d) Actin & Myosin Which two structures block the active site on an actin filament? a) Fascicle & Actin b) Actin & Perimysium c) Troponin & Tropomyosin d) Actin & Myosin - correct answer c) Troponin & Tropomyosin A muscle fiber cannot contract until _________ rushes in from a nerve cell to remove the blocking molecules and make the active sire available to be engaged. a) ATP b) Calcium c) Myosin d) Sarcomeres - correct answer b) Calcium When a myosin head engages with the active site on the other filament, this is known as a(n) a) sarcomere b) cross-bridge c) Z-line d) M-line - correct answer b) cross-bridge What provides the energy for the myosin head to move? a) ATP b) Calcium c) Myosin d) Sarcomeres - correct answer a) ATP Rigor Mortis is caused by a) A lack of ATP to allow the return stroke of the myosin head b) A lack of Calcium to allow the return stroke of the myosin head c) A lack of ATP to cause the power stroke of the myosin head d) A lack of Calcium to cause the power stroke of the myosin head - correct answer a) A lack of ATP to allow the return stroke of the myosin head When your muscles are worked strenuously and the glucose supply is exhausted, the muscle cells will begin to use process of _____________. a) Lactic Acid b) Muscle Fatigue c) Aerobic Respiration d) Anaerobic Respiration - correct answer c) Aerobic Respiration The build-up of _____________ in your cells makes your muscles sore. a) Lactic Acid b) Muscle Fatigue c) Aerobic Respiration d) Anaerobic Respiration - correct answer a) Lactic Acid Your deltoid is connected by ______________ to your clavicle, scapula, and humerus. a) Muscles b) Ligaments c) Actin d) Tendons - correct answer d) Tendons In the question above, your clavicle and scapula are the __________ of the deltoid muscle. a) Insertion b) Antagonist c) Origin d) Prime Mover - correct answer c) Origin Which of the following is not a type of lever that can be found in your body? a) First-Class Lever b) Second-Class Lever c) Third-Class Lever d) Fourth-Class Lever - correct answer d) Fourth-Class Lever When you do sit-ups, your rectus abdominus is the _________________ and the latissimus dorsi is the _________________. a) Insertion; origin b) Antagonist; prime mover c) Origin; insertion d) Prime mover; antagonist - correct answer d) Prim