Skeletal Muscle Quiz

Which of the following statements are true of the rib cage?

A, B, D A. all of the ribs articulate with the thoracic vertebrae B. the most inferior part of the sternum is the xiphoid process C. The floating ribs help protect the heart D. the true ribs and false ribs have costal cartilages

Which of the following statements are true of red bone marrow (RBM) and blood cells?

A, B, E A. All of the body's red blood cells are produced in the RBM B. Platelets are produced in the RBM and are important for blood clots C. RBM is found in the diaphysis of long bones D. White blood cells are not produced in the RBM, but rather by the liver E. RBM is the body's primary hemopoietic tissue F. RBM is found in compact bone of flat bones

Which of the following statements are true of the embryonic growth of long bones?

A, C A. When a bone stops growing, all of the cartilage in an epiphyseal disc has been replaced by bone B. On the diaphysis side of an epiphyseal disc, cartilage replaces bone C. Long bones are first made of cartilage.

Which of the following statements are true of the paranasal sinuses?

A, C, D A. if they fill with mucus, they may become painful B. They are lined with simple squamous epithelium that is smooth to prevent friction C. an upper respiratory pathogen may infect these sinuses D. the true ribs and false ribs have costal cartilages

Which of the following statements are true of the bones of the skull?

A. The temporal bones contain the structures of the pathway for hearing B. The frontal bone forms the forehead

Which of the following statements are true of synovial joints?

A. synovial fluid prevents friction B. ligaments are bands of fibrous connective tissue that connect bone to bone C. sutures are not synovial joints D. the synovial membrane lines the joint capsule

The heart and liver are protected from mechanical injury by the______.

rib cage

New bone matrix for growth is produced by cells called

osteoblasts

The ribs that articulate indirectly with the sternum are the _____________ and ____ pairs.

False ribs & 3

In an embryonic long bone, the first center of ossification is in the _____________________________________, and secondary centers are in the _______________.

diaphysis & epiphysis

Which of the following statements are true of the joints of the limbs?

f. both the shoulder and hip joints are surrounded by muscles that help provide stability and prevent dislocation

Which of the following statements are true of the embryonic and infant skull

A, B A. Fontanels are made of fibrous connective tissue and they permit the compression of the skull during birth B. The cranial bones are first made of cartilage

Which of the following statements is true of the vertebral column?

A, B, C A. Discs of fibrous cartilage form the joints between vertebrae B. The spinous and transverse processes provide for muscle attachment C. Within the vertebral canal is the spinal cord

Which of the following statements are true of bone tissue?

A, B, C A. Osteoblasts are the cells that reabsorb B. The blood vessels in compact bone come from the periosteum C. Compact bone forms the diaphysis of short bones D. An osteon consists of one osteocyte surrounded by capillaries E. Spongy bone is found on the surfaces of flat and irregular bones F. Osteons are found only in spongy bone

Which of the following statements are true of the effects of hormones on bones?

A, B, C, E A. If thyroxine is present, all food types may be used for energy production B. The rate of mitosis in growing bones is increased by growth hormone C. Parathyroid hormone lowers the blood calcium level to preserve calcium for bone growth D. Calcitonin decreases the reabsorption of calcium from bone matrix

Which of the following statements are true of the factors that contribute to the height of a person?

C, D, E A. Vitamins C and D are important in the diet to become part of bone matrix B. A child cannot be taller than her or his parents C. Calcium and phosphorus are important in the diet because they become part of the bone matrix D. Either estrogen or testosterone will promote the closure of the epiphyseal discs of long bones E. Genes for height may be for enzymes involved in bone matrix formation

Which of the following statements are true of types of joints?

c. sutures are found only in the skull