Third class lever - Study guides, Class notes & Summaries

BIOS 252 COMP EXAM WITH VERIFIED QUESTIONS AND ANSWERS Which type of synapse involves the secretion of a neurotransmitter across the synapse to stimulate the post-synaptic cell? A. Mechanical B. Nominal C. Electrotonic D. Processing E. Chemical - E. Chemical Your friend nods 'yes' to you, going through flexion, extension, and hyper extension in their enthusiastic response. This movement at the fulcrum represents a A. First-class lever system B. Second-class lever system C. T...

The three common types of mechanisms are levers, ______, and inclined planes. wheels The metric system expresses force in ______. newtons A spring scale is used to measure ______. force The English unit of measure of weight is the ______. pound-force (lb-f) The Law of Moments can be used to determine ______. both the force needed to balance OR force needed to move a load Torque can be calculated by multiplying the distance from the fulcrum and ______. the force applied A force that makes ...

muscle origins are: correct answers proximal muscle insertions are: correct answers distal fleshy attachment to bones correct answers broad attachment sites that originate directly on the bone. fibrous attachment to bones correct answers cordlike, provide a focused point of force application. agonist muscles correct answers primary muscle involved in movement. e.i: biceps brachii antagonist muscles correct answers opposing muscle that could slow or stop the movement. e.i: triceps ...

Bodybuilding Final Exam Questions And Answers (Verified And Updated) This type of muscle blends into tendinous insertions that attach to bones, pulling them, which produces the desired movement. a. skeletal muscle b. swoll muscle c. cardiac muscle d. smooth muscle - answera. skeletal muscle Muscle are connected to bones by what? a. ligaments b. tendons c. science is still investigating d. motor units - answerb. tendons What type of muscle fibers are referred to as coach potato fiber...

What is a lever? correct answersA simple machine that provides a mechanical advantage in carrying loads. Composed of a fulcrum (or pivot) and rigid rod (or beam). What is the formula for calculating the load or the effort of a lever? correct answersW1 x L1 = W2 x L2 (Weight of the load x distance of the load from the fulcrum = weight of the effort x distance from the fulcrum to the effort.) What is a first class lever? correct answersA lever where the fulcrum is located between the force a...

teardrop pad can help for what type of injury? - Transverse arch sprain/strain A written document that defines the standard of care required in every conceivable event during an emergency situation defines what? - An emergency action plan According to NCAA policies, how frequently are sports rules reviewed and potentially revised? - - Every year According to the NATA position statement on Management of the Cervical Spine Injured Athlete, what is correct regarding facemark removal? - If the...

Mechanical REC Study Guide Latest Update Graded A+ Rack and pinion gear example Steering system in cars Spur gear example Used in a parallel shaft gear train Bevel gear example Hand drills Parallel helical gear example Used for high speed or high torque applications like transmission Herringbone gear example Power transmissions and heavy machinery Worm gear example Gates and conveyor belts Gear ratio formula driven gear/driving gear Idler gear Has no effect on the ove...

1. Proteins necessary for body's mainte- nance, growth, and repair (GS) 2. Carbohydrates and Fats used primarily for energy (GS) 3. 212 Water boils at degrees fahrenheit (GS) 4. 100 Water boils at degrees Cel- sius (GS) 5. 373 Water boils at Ks on the Kelvin scale (GS) 6. Veins carry blood from capillaries toward the heart. (GS) 7. Arteries carry blood away from the heart. (GS) 8. Ventricles lower chamber of the heart (GS) 9. Red Blood Cells component of blood which car- ri...

Describe the result of adding a large positive number and a smaller negative number - result is smaller positive number, same as ignoring the signs and subtracting smaller number How do you convert a fraction into a decimal? - Divide the top number by bottom number What is the key step in order to add or subtract unlike fractions - finding the lowest common denominator How do you divide one fraction by another - Invert divisor (flip over the second fraction) and multiply both numerators an...

When compared to a classic lever system, the synovial joints of our Musculoskeletal system play the role of the _________? A. Weight B. Force C. Fulcrum D. Lever E. Resistance - C. Fulcrum. Which of the following event will occur when depolarizing graded potential's reach the membrane of the axon Hillock, causing its membrane potential to reach threshold? A. Ligand-gated Ca++ channels close rapidly B. Voltage-gated Ca++ channels open rapidly C. Ligand-gated Na+ channels close r...