Download Rio Salado Bio 201 EXAM 2 Questions & Answers and more Exams Biology in PDF only on Docsity!
Rio Salado Bio 201 EXAM 2 Questions &
Answers 100% Solved
What do all vertebrae possess? - ANSWERStransverse process and vertebral foramen What is the longest and strongest bone of the face? - ANSWERSMandible The temporal bone riddled with sinuses - ANSWERSMastoid Process What is a Colle's Fracture? - ANSWERSA break in the distal end of the radius What is the most common site for fractures in the Humerus? - ANSWERSsurgical neck Sagittal Suture - ANSWERSRight and Left Parietal Lambdoid Suture - ANSWERSOccipital and Parietal Bone Squamosal Suture - ANSWERStemporal and parietal Bone Coronal Suture - ANSWERSParietal and Frontal Bone Cervical Vertebrae - ANSWERS Thoracic Vertebrae - ANSWERS Lumbar Vertebrae - ANSWERS What is the only vertebrae that does not have a body? - ANSWERSatlas Where is the pituitary gland housed? - ANSWERSsella turcica of the sphenoid Where are the Paranasal sinuses found? - ANSWERSmaxillae Where is the location of the center of gravity of the body? - ANSWERSit is 1 cm posterior to the sacral promontory Thoracic vertebrae T2 through T8 differ from the others in that? - ANSWERSthey have superior and inferior demifacets The antebrachium is composed of which two bones? - ANSWERSthe radius and the ulna The short bone that attaches to the third metacarpal is the - ANSWERScapitate
The bone in direct contact with the first metatarsal (big toe) is the - ANSWERSmedial cuneiform Why are the paranasal sinuses at greater risk for infection? - ANSWERStheir location adjacent to the middle ear cavity often creates a high risk for infection The tibia is in contact with which tarsus? - ANSWERStalus Ostealgia - ANSWERSpain in the bone Carpal bones - ANSWERStrapezium, trapezoid, capitate, hamate, scaphoid, lunate, triquetrum, pisiform Tarsal bones - ANSWERScalcaneus, talus, navicular, medial cuneiform, Intermediate cuneiform, lateral cuneiform, cuboid Chondromalacia patellae - ANSWERSsoftening of the posterior patella surface Fibrous Joints - ANSWERSjoined by fibrous tissue, lack a joint cavity Suture - ANSWERSType if fibrous joint, immovable, only in skull Snydesmosis - ANSWERStype of fibrous joint, slightly moveable Gomphosis - ANSWERStype of fibrous joint, peg in socket Cartilaginous joints - ANSWERSjoints united by cartilage, lack a joint cavity Synchondroses - ANSWERSType of cartilaginous joint, united by hyaline cartilage Symphyses - ANSWERStype of cartilaginous joint, united by fibrocartilage synovial joints - ANSWERSfound where articulating bones are separated by a fluid- containing joint cavity, freely moving joints rheumatoid arthritis - ANSWERSaccumulation of synovial fluid skeletal muscle - ANSWERSmultinucleate cells, attach to bone cardiac muscle - ANSWERSwalls of the heart, branching chains of uni or binucleate cells Smooth muscle - ANSWERSwalls of hallow organs, uninucleate, no striations, no presence of myofibrils of t tubules
Muscle tone - ANSWERSa state of sustained partial contraction muscular dystrophy - ANSWERSmuscle fibers degenerate and atrophy The main effect of the warm-up period of athletes, as the muscle contractions increase in strength, is to - ANSWERSenhance the availability of calcium and the efficiency of enzyme systems Three discrete types of muscle fibers are identified on the basis of their size, speed, and endurance. Which of the following athletic endeavors best represents the use of red fibers? - ANSWERSa long, relaxing swim An individual has just ingested a chemical that binds irreversibly to the ACh receptors in the sarcolemma. By itself it does not alter membrane potential, yet prevents normal neurotransmitter binding. Ignoring the effects on any other system, the consequence to skeletal muscle would be - ANSWERSno contraction at all by nervous mechanisms, but contraction if stimulated by an external electrode prime movers - ANSWERSa muscle that has the major responsibility for producing a specific movement Antagonist - ANSWERSmuscles that oppose a particular movement Synergist - ANSWERShelp prime movers by adding extra force to the same movement or by reducing undesirable movement fixator - ANSWERSa synergist that immobilizes a bone or joint first class lever - ANSWERSload-fulcrum-effort, scissors second class lever - ANSWERSfulcrum-load-effort, wheelbarrow third class lever - ANSWERSload-effort-fulcrum, tweezers Flexor carpi ulnaris - ANSWERSpowerful wrist flexer that also stabilizes the wrist Extensor carpi radialis longus and brevis - ANSWERSextends and abducts the wrist Flexor carpi ulnaris - ANSWERSflexes the wrist Flexor digitorum profundus - ANSWERSslow acting finger flexer Extensor pollicis longus and brevis - ANSWERSextends the thumb
buccinator - ANSWERSHelps keep food between the grinding surfaces of the teeth during chewing convergent - ANSWERSThe arrangement of fascicles of the pectoralis major. extensor hallucis longus - ANSWERSextends the big toe hernia - ANSWERSThe abnormal protrusion of the small intestine through a weak point in the muscle of the abdominal wall internal oblique - ANSWERSRuns deep to the external oblique masseter - ANSWERSchewing muscle platysma - ANSWERSDraws the corner of the mouth downward as in expressing horror rectus femoris - ANSWERSAlong with three vastus muscles, makes up the quadriceps femoris serratus anterior - ANSWERSKnown a the boxer muscle teres major - ANSWERSIt extends, medially rotates, and adducts the humerus and is a synergist of the latissimus dorsi transversus fibers - ANSWERSRun at right angles to the axis of the muscle triceps brachii - ANSWERSIs a powerful forearm extensor Frontalis - ANSWERSraises the eyebrows Occipitalis - ANSWERSpulls the scalp posteriorly Orbicularis oculi - ANSWERScloses the eye Orbicularis oris - ANSWERScloses the lips Zygomaticus - ANSWERSraises the corners of the mouth upward (smiling) Masseter - ANSWERScloses the jaw Temporalis - ANSWERScloses the jaw Buccinator - ANSWERScompresses the cheek Platysma - ANSWERStenses the skin of neck
Extensor digitorum - ANSWERSthe prime mover of the finger Extensor carpi ulnaris - ANSWERSextends and adducts the wrist Gluteus maximus - ANSWERSpowerful hip extensor Gluteus medius - ANSWERSabducts and medially rotates the thigh Iliopsoas - ANSWERSflexes the trunk on the thigh, and is the major flexor of the hip Sartorius - ANSWERSflexes, abducts, and laterally rotates the thigh, and flexes the knee Adductor muscles - ANSWERSadduct, and medially rotate and flex the thigh Quad: Rectus femoris - ANSWERSextends knee and flexes thigh at the hip Quad: Vastus lateralis - ANSWERSextends and stabilizes the knee Quad: Vastus medialis - ANSWERSextends the knee Quad: Vastus intermedius - ANSWERSextends the knee Biceps femoris - ANSWERSextends the thigh, and flexes the knee Semitendinosus - ANSWERSextends the thigh, and flexes the knee Semimembranosus - ANSWERSextends the thigh, and flexes the knee Tibialis anterior - ANSWERSthe prime mover of dorsiflexion Extensor digitorum longus - ANSWERSthe prime mover of toe extension Fibularis muscles - ANSWERSplantar flexes, and everts the foot Gastrocnemius - ANSWERSplantar flexes the foot Soleus - ANSWERSplantar flexes the foot Diarthrosis - ANSWERSfreely moveable joints Amphiarthrosis - ANSWERSslighty moveable joints Synarthrosis - ANSWERSimmoveable joints Origin - ANSWERSattached to the immoveable bone
insertion - ANSWERSattached to the moveable bone gliding movement - ANSWERSwhen a flat bone glides over another angular movement - ANSWERSincreasing and decreasing angles (flex/extend, abd/add, etc) rotation movement - ANSWERSbone turns on its own axis cartilage tears - ANSWERStears and overuse damage that articular cartilage, most involving the knee, fixed with arthroscopic surgery Dislocations - ANSWERSoccurs when bones are forced out of alignment Bursitis - ANSWERSinflammation of the bursa, usually caused by a blow or friction, common in knee tendonitis - ANSWERSinflammation of tendon sheath Osteoarthritis - ANSWERSmost common chronic arthritis, promotes the release to enzymes that break down articular cartilage Rheumatoid Arthritis - ANSWERSautoimmune disease, chronic inflammatory disease Gouty Arthritis - ANSWERSuric acid deposited in soft tissue of joints Lyme disease - ANSWERSinflammatory disease caused by spirochete bacteria transmitted by the bit of ticks Characteristics of muscle tissue - ANSWERSexcitability, contractility, extensibility, elasticity plane joint - ANSWERSnon axial movement, gliding Hinge Joint - ANSWERSuniaxial, elbow Pivot Joint - ANSWERSuniaxial, radius and ulna condylar joint - ANSWERSbiaxial, flex/ext, abd/add, knuckles Saddle joints - ANSWERSbiaxial, thumb Ball and Socket joint - ANSWERSmultiaxial, shoulder and hip joints
