IVY TECH APHY 101 Exam 3 || Questions & Solutions (Graded A+)

IVY TECH APHY 101 Exam 3 || Questions & Solutions (Graded A+) IVY TECH APHY 101 Exam 3 || Questions & Solutions (Graded A+) Name the structure highlighted in this anterior view of the knee joint. - ANSWER - Fibular collateral ligament Organize the following parts of a muscle from smallest to largest: muscle fiber, fascicle, myofibril, filament, muscle. - ANSWER - Filament, myofibril, muscle fiber, fascicle, muscle The outermost layer of connective tissue surrounding a skeletal muscle is the - ANSWER - epimysium Which of the following is found inferior to the maxilla and has a posterior articulation with the temporal bone? - ANSWER - mandibular bone Which of the following best describes the causes of common forms of arthritis? - ANSWER - Rheumatoid arthritis is an autoimmune disease and osteoarthritis is caused by effects of aging. Classifying joints as synarthrotic, amphiarthrotic, or diarthrotic represents - ANSWER - the degree of movement possible at the joint. Which of the following does not describe the function(s) of the skeletal system? - ANSWER - It generates the movements of the limbs. Choose the correct statement about muscle contraction. - ANSWER - Actin filaments slide along myosin filaments. The zygomatic bone is an example of a(n) - ANSWER - irregular bone. What is an organ that is protected by bones of the axial skeleton? - ANSWER - the heart Which of the following is not a step in endochondral bone formation? - ANSWER - Hyaline cartilage changes to adipose tissue. Greg trips over a toy and experiences a sharp pain. His physician diagnoses a torn meniscus. Greg has injured his - ANSWER - knee joint Many muscles are named for their location (origin and insertion) in the body, particularly in relation to bones. In what body region would you expect the frontalis muscle to originate? - ANSWER - the cranium Muscle fibers generally only have one motor end plate, but motor neurons innervate many different muscle fibers in a group. Choose the statement that correctly explains how this affects muscle contraction. - ANSWER - A signal traveling through one motor neuron can potentially make multiple fibers in a group contract, generating more force. The smallest stimulus strength that triggers a contraction in a muscle fiber is called a __________ stimulus.