Most muscle strains are caused by
a. abnormal muscle contraction.
b. muscle asymmetry.
c. a tear in an adjoining tendon.
d. bleeding into the muscle.
Option A is correct as the
abnormal muscle contraction is the most serious cause of the muscle strains in majority of persons like in athelets and who are involved in the heavy muscular activity like weight lefting.
Most muscle strains are caused by a. abnormal muscle contraction. b. muscle asymmetry. c. a tear...
SPORT FIRST AID ASEP Unit 3: Anatomy and Sport Injury Terminology 1. Strains are to muscles what sprains are to ligaments. a. true O b. false 2. Rotator cuff muscles a. are located on the pelvis b. are located on the clavicle c. assist with kicking d. assist with throwing and swinging a racket e. a and c 3. What is a strong indicator of a Grade III muscle strain? O a. cool, clammy skin over the site of the...
1. A sudden stretch of a muscle excites a feedback system that opposes the stretch. This message starts in the ____. a. cerebellum b. Pacinian corpuscles c. muscle spindles d. dorsal root ganglion Activity of a muscle spindle is to ____ as activity of the Golgi tendon organ is to ____. a. contraction; inhibition of contraction b. contraction; contraction c. inhibition of contraction; contraction d. inhibition of contraction; inhibition of contraction Annamae is studying for a quiz on movement. She...
1) Muscle contraction is initiated at the NMJ by the release of _______________ from synaptic vesicles. a. Epinephrine b. Acetylcholine c. Calcium d. Sodium 2) Which of the following types of muscle contractions describes force development with no change in the muscle’s length? a. isokinetic b. isometric c. concentric d. eccentric 3) Which of the following describes the ability of a muscle to contract repeatedly against an opposing force? a. Muscular Endurance b. Aerobic Endurance c. Muscular Strength d. Muscular...
19. Label with letters/arrows: a. olecranon of ulna b. anconeus muscle c. supinator muscle d. pronator teres muscle (insertion) e. abductor pollicis longus muscle f extensor pollicis longus muscle g. extensor pollicis brevis muscle h. extensor indicis muscle i. tendon of insertion of extensor carpi ulnaris muscle (belly has been removed) tendon of insertion of extensor carpi radialis j. longus muscle tendon of insertion of extensor carpi radialis k. brevis muscle 1. carpal extensor retinaculum m. n. body of ulna...
The neurotransmitter acetylcholine (ACh) causes the rapid contraction of skeletal muscle and the slower relaxation of cardiac muscle. Which one of the following is the most likely explanation for this difference? A. ACh activates a GPCR pathway in cardiac muscle and an ion channel coupled receptor in skeletal muscle. B. ACh activates an ion channel coupled receptor in cardiac muscle and a GPCR pathway in cardiac muscle. C. ACh is permeable through the plasma membrane of skeletal muscle cells but...
1. When a muscle shortens during an active contraction, the: a. thick filaments get shorter b. thick filaments get shorter c. Z-lines move closer together d. titin molecules stretch to compensate
uestlon Which of the following hormones increases smooth muscle contraction |a) oxytocin b) T3 c) cortisol d) glucagon exchanged during normal breathing Question 110 (1 point) Water intoxication results in a) Decrease in water intake Ob) Decreased aldosterone secretion c) Increase in the osmolarity of interstitial fluids d) Osmosis of water from ECF to ICF e) Osmosis of water from ICF to ECF Submit Quiz 62 of 110 questions saved 373
when assessing muscle strength, the nurse observes that a patient has slight muscle contraction. what grade of muscle strength should the nurse record? A. 0/5 B. 1/5 c. 3/5 . A client’s body appears to have his arms and legs straight, toes pointed downward , and the head and neck are arched backward what type of posture is this A. Decorticate B. Deranged C. Dysconjugate D. decerebrate . On performing a spinal assessment on your client, it is noted but...
1.The hyperbolic force dependence of muscle shortening velocity results from the fact that: a. Muscle contraction is best described by a Hookean Spring model. b. Energy is dissipated by mechanical work and viscous drag, both of which depend on changes in sarcomere length. c. ATPase cycling is hyperbolically dependent on the local concentration of Actin. d. Ftot = funi*D*N e. Heat liberation by muscle is constant.
74) The long-term wear and tear on the body caused by the body's prolonged attempt to maintain equilibrium is known as A) general adaptation syndrome. B) allostasis. C) allostatic load. D) homeostatic balance. (76) Researchers believe that the stress hormones cortisol and cytokines could damage a part of the brain known as the A) central sulcus. B) motor cortex. C) hippocampus. D) prefrontal lobe. (81) Diseases of the heart and blood vessels are collectively known as which of the following?...