bio 161 exam 5 latest update graded A+

bio 161 exam 5 latest update graded A+ Question 1: What is the function of the epiphysis in a long bone? - a. encloses the medullary canal - b. covers the surfaces of joints - c. forms the shaft of the bone - d. forms the end of the bone - Answer: d. forms the end of a long bone Explanation: The epiphysis is the rounded end of a long bone, which contributes to joint structure and articulation. Question 2: What part of a long bone is referred to as the shaft? - a. epiphysis - b. periosteum - c. endosteum - d. diaphysis 2 - Answer: d. shaft of a long bone Explanation: The diaphysis is the cylindrical, middle part of a long bone, between the epiphyses. Question 3: What does the periosteum do in relation to bones? - a. forms the joint surfaces - b. provides a smooth surface for movement - c. covers the bone surfaces except at joints - d. cushions the ends of bones - Answer: c. a dense layer of vascular connective tissue enveloping the bones except at the surfaces of the joints Explanation: The periosteum is a tough membrane that covers the outer surface of bones, except at the joints, and provides attachment for muscles and tendons. Question 4: What is the function of the endosteum in bones? - a. produces red blood cells 3 - b. stores minerals like calcium - c. lines the hollow cavity of bones - d. forms the growth plate - Answer: c. membranous lining