Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
BIO201-FINALREVIEW-2
BIO201 - Final Review 2 - Q & A's from Online Lessons & Labs - Muscle System
| Question | Answer |
|---|---|
| Fatigued muscle cells that recover rapidly are the products of: | intense exercise of short duration |
| The main effect of the warm-up period of athletes, as the muscle contractions increase in strength, is to: | enhance the availability of calcium and the efficiency of enzyme systems |
| Athletes sometimes complain of oxygen debt, a condition that results when insufficient oxygen is available to completely break down pyruvic acid. As a result, the pyruvic acid is converted to: | lactic acid |
| Muscle tone is: | a state of sustained partial contraction |
| The warm-up period required of athletes in order to bring their muscles to peak performance is called: | treppe |
| With muscular dystrophy: | muscle fibers degenerate and atrophy |
| Which of the following athletic endeavors best represents the use of red fibers? | a long, relaxing swim |
| Which of the following is not a usual result of exercise? | increase in the number of muscle cells |
| Muscle tissue has all of the following properties except: | transmissibility |
| Rigor mortis occurs because: | ATP is required to release the attached actin and myosin molecules |
| Smooth muscles that act like skeletal muscles but are controlled by autonomic nerves and hormones are: | multiunit muscles |
| Of the following muscle types, which has only one nucleus, no sarcomeres, and no gap junctions? | multiunit smooth muscle |
| Smooth muscle is significantly different from striated muscle in __. | smooth muscle shortens and stretches to a greater extent than does striated muscle |
| Most muscles contain? | A mixture of fiber types. |
| The site of calcium regulation in the smooth muscle cell is? | Calmodulin. |
| T/F - The arrangement of a muscle's fascicles determines its range of motion and power. | False |
| T/F - The anconeus muscle flexes the knee and stabilizes the patella. | This is false. The anconeus muscle abducts the ulna during forearm pronation and is a synergist of triceps brachii in elbow extension. |
| T/F - Electromyography is the recording and interpretation of graphic records of the electrical activity of contracting muscles. | True |
| T/F - The four muscle pairs forming the abdominal wall perform the functions of support and compression of the abdominal contents. | This is false. The transversus abdominis functions mainly in compression of the abdominal contents. |
| T/F - The soleus is a synergist of the gastrocnemius used in plantar flexion. | True |
| T/F - Plantar flexion at the ankle joint is accomplished by the tibialis anterior muscle. | This is false. The tibialis posterior muscle works towards plantar flexion. |
| T/F - A pair of tweezers is a good example of a second-class lever. | This is false. A pair of tweezers is an example of a third-class lever. |
| T/F - Muscles that help to maintain posture are often called synergists. | This is false. Muscles that maintain posture are called fixators. |
| Muscles connecting to the hyoid bone are instrumental in speech. | his is false. These bones are instrumental in swallowing. |
| T/F - The broadest muscle of the back is the latissimus dorsi. | True |
| T/F - In order to propel food down to the esophagus, the pharyngeal constrictor muscles would be used. | True |
| T/F - The insertion of the biceps brachii is on the radius. | True |
| T/F - The calcaneal tendon (Achilles tendon) is the largest, strongest tendon in the body. | True |
| T/F - Severing of the patellar tendon would inactivate the hamstring group. | This is false. This would inactivate the quadriceps group. |
| T/F - Movements of the thigh are accomplished by muscles anchored to the pelvic girdle. | True |
| T/F - Muscle spasm of the back would often include the erector spinae. | True |
| T/F - Both first- and second-class levers operate at a mechanical disadvantage. | This is false. Second-class levers do not operate at a mechanical disadvantage. |
| T/F - A prime mover of the arm that acts in adduction would be the deltoid. | This is false. The deltoid is the prime mover of arm abduction. |
| T/F - The chewing muscle covering the ramus of the mandible is the buccinator. | This is false. This is the masseter muscle. |
| T/F Although all skeletal muscles have different shapes, the fascicle arrangement of each muscle is exactly the same. | This is false. Fascicles can display a circular, convergent, parallel, or pennate pattern. |
| T/F - Muscle power does not depend on the direction of the fascicles. | True |
| Extensor carpi radialis longus and brevis | Extends and abducts the wrist. |
| Extensor pollicis longus and brevis | Extends the thumb. |
| Flexor carpi ulnaris | Flexes the wrist. |
| Flexor carpi ulnaris | Powerful wrist flexors that also stabilize the wrist during finger extension. |
| Flexor digitorum profundus | Slow-acting finger flexor. |
| The _____ helps keep food between the grinding surfaces of the teeth during chewing. | buccinator |
| The pectoralis major has a _____ arrangement of fascicles. | convergent |
| _____ extends the great toe. | extensor hallucis longus |
| _____ is the abnormal protrusion of the small intestine through a week point in the muscle of the abdominal wall. | hernia |
| The _____ runs deep to the external oblique. | internal oblique |
| _____ is the main chewing muscle. | masseter |
| ______ draws the corner of the mouth downward as in expressing horror. | platysma |
| The quadriceps femoris is composed of three vastus muscles and the _____. | rectus femoris |
| The ______ is known a the boxer muscle. | serratus anterior |
| ____ is a synergist of the latissimus dorsi; it extends, medially rotates, and adducts the humerus. | teres major |
| ______ fibers run at right angles to the axis of the muscle. | ______ fibers run at right angles to the axis of the muscle. |
| ________ is a powerful forearm extensor. | triceps brachii |
| Which class lever for the Humerus Ulna Joint? | 3rd Class |
| Which class lever for the Tibia Calcaneus Lever? | 2nd Class |
| Which class lever for the Humerus metacarpal lever? | 1st Class |
| With regard to muscle fiber arrangement in a pennate muscle __. | The fascicles are short & attach to a central tendon that runs the length of a muscle. |
| The extensor digitorum longus has which type of fascicle arrangement? | Unipennate |
| Paralysis of which of the following would make an individual unable to flex the thigh? | Iliopsoas & rectus femoris |
| Which of the following muscles does not act in plantar flexion? | Popliteus |
| Most flexor muscles are located on the __ aspect of the body | anterior |
| Most extensors are located __. | Posteriorly |
| An exception to the generalized location of the extensor-flexor rule is the __. | Knee |
| The extrinsic muscles of the hand originate on the __,__, & __. | Humerus, radius, and ulna. |
| The bulk of the tissue of a muscle tends to lie __ to the part of the body it causes to move. | Proximal |
| The triceps surae insert in common into the __ tendon. | Calcaneal |
| The insertion tendon of the __ group contains a large sesamoid bone, the patella. | Quadriceps femoris |
| Intramuscular injection sites. | Deltoid, gluteus maximus, & gluteus medius. |
| Flexes the great toe & inverts the ankle | Flexor hallucis longus |
| Lateral compartment muscles that plantar flex and evert the ankle | Fibularis brevis & longus |
| Move the thigh laterally to take the "at ease" stance | Gluteus medius & tensor fascae latae |
| Used to extend the hip when climbing stairs | Gluteus maximus |
| Prime movers of ankle plantar flexion | gastrocnemius & soleus |
| Major foot inverter | tibialis posterior |
| Prime mover of ankle dorsiflexion | tibialis anterior |
| Allow you to draw your legs to the midline of your body, as when standing at attention. | Adductor group |
| Places the palm upward | Biceps brachii & supinator |
| Flexes teh forearm & supinates the hand | biceps brachii |
| Forearm flexors; no role in supination | Brachialis & brachioradialis |
| Elbow extensor | triceps brachii |
| Power wrist flexor and abductor | flexor carpi radialis |
| flexes wrist a& middle phalanges | flexor digitorum superficialis |
| Pronate the hand | pronator quadratus & teres |
| Flexes the thumb | Flexor pollicis longus |
| Extends and abducts the wrist | Extensor carpi radialis longus |
| A major spine flexor | rectus abdominis |
| Prime mover for pulling the arm posteriorly | latissimus dorsi |
| Prime mover for shoulder flexion | Pectoralis major |
| Assume major responsibility for forming the abdominal girdle | External oblique, internal oblique, transversus abdominis |
| Pulls shoulder backward & downward | latissimus dorsi |
| Important in shoulder adduction; antagonists of shoulder abductior | latissimus dorsi, pectoralis major |
| Moves scapula forward & downward | Serratus anterior |
| Small, inspiratory muscles between the ribs; elevate the ribs | External intercostals |
| Extends the head | Trapezius |
| Pull the scapulae medially | rhomboids |
| Used in smiling | Zygomaticus major & minor |
| Used to pout | Depressor labii inferioris |
| Raises eyebrows | Frontalis |
| Your kisser | obicularis oris |
| Prime mover to raise the lower jawbone | Masseter |
| Agonist | Prime mover |
| Reverses and/or opposes the action of a prime mover | antagonist |
| postural muscles, for the most part | Fixator |
| Stabilizes a joint so that the prime mover may act at more distal joints. | fixator |
| Performs the same movement as the agonist | Synergist |
| Immobilizes teh origin of a prime mover | Fixator |
Created by:
Ladystorm
Popular Anatomy sets