Quiz 2: Reflexes, Muscles, Eye Structure and Visual Tests for Biology 119, Fall 2006, Exercises of Physiology

Download Quiz 2: Reflexes, Muscles, Eye Structure and Visual Tests for Biology 119, Fall 2006 and more Exercises Physiology in PDF only on Docsity! Biology 119 Fall 2006 Quiz #2: Reflexes, Muscles, Eye Structure and Visual Tests 1. Which one of the following reflex arc pathways is correct? (1pt) _____________ a. Receptor – Stimulus – Sensory Neuron – Interneuron – Motor Neuron b. Stimulus – Receptor – Motor Neuron – Interneuron – Sensory Neuron c. Receptor – Sensory Neuron – Interneuron – Motor Neuron – Stimulus d. Stimulus – Receptor – Sensory Neuron – Interneuron – Motor Neuron 2. In less than 10 words, name ONE normal function of stretch receptors in our body. (1pt) 3. Fill in the blanks in the following statement (2pts). The legs of a marathon runner are composed primarily of ____________ muscle fibers (hint: it’s a color) that are ____________ in diameter. 4. What two parameters are needed to calculate a Body Mass Index, or BMI (2pts). _____________________ _____________________ 5. Match the terms in the left column with their primary component from the right column (2pts). Actin Tendon Myosin Thin Filament Sarcomere Thick Filament Collagen 6. Women need to maintain at least _________ % body fat for essential functions. Name one function of essential body fat (in 5 words or less) (2pts) Fill in the blank. 7. As the ciliary muscles contract, the suspensory ligaments __________________(1pt). 8. As the ciliary muscles contract, one’s lens becomes more______________ (1pt). Circle one. 9. The eyes are working MORE or LESS hard when focusing on objects far away (1pt).