a&p:1 quiz 4 c

What does red bone marrow form? Select one: a. red blood cells, white blood cells, and platelets. b. red blood cells only. c. white blood cells only. d. red and white blood cells only.

a. red blood cells, white blood cells, and platelets.

All bones are completely ossified at what age? Select one: a. 15 years b. 25 years c. Birth d. 5 years

b. 25 years

Which of the following groups of bones is associated with an incorrect example? Select one: a. Long bones - forearm bones b. Flat bones - thigh bones c. Short bones - wrist and ankle bones d. Irregular bones - vertebrae

b. Flat bones - thigh bones

Compact bone has _ (blank) _, whereas spongy bone has _ (blank) _. Select one: a. spaces that reduce the weight of bone; tightly packed matrix that is solid b. osteons; trabeculae c. trabeculae; osteons d. osteocytes; no osteocytes

b. osteons; trabeculae

Which bones fuse to form the pelvis? Select one: a. the ilium, the femur, and the pubis. b. the ilium, the ischium, and the pubis. c. the ischium, the coccyx, and the pubis. d. the ilium, the sacrum, and the pubis.

b. the ilium, the ischium, and the pubis.

Which of the following is included in the axial skeleton? Select one: a. the upper and lower limbs and pelvic and pectoral girdles. b. the skull, hyoid bone, thoracic cage, and vertebral column. c. the radius, ulna, carpals, and phalanges. d. the femur, tibia, and fibula.

b. the skull, hyoid bone, thoracic cage, and vertebral column.

How does a bone lengthen? Select one: a. as a result of cell division in the medullary cavity. b. due to increased production of bone matrix by osteoclasts. c. as a result of increased activity within the epiphyseal plate. d. as compact bone is deposited beneath the periosteum of the diaphysis.

c. as a result of increased activity within the epiphyseal plate.

Where are the capitulum and trochlea located? Select one: a. at the proximal end of the humerus. b. at the distal end of the ulna. c. at the distal end of the humerus. d. in the hand

c. at the distal end of the humerus.

The most abundant form in which calcium is found in the inorganic matrix of the bone is _ (blank) _. Select one: a. calcium oxalate b. calcium carbonate c. hydroxyapatite d. calcium pyrophosphate

c. hydroxyapatite

Which of the following is a zygomatic bone? Select one: a. short bone. b. flat bone. c. irregular bone. d. long bone.

c. irregular bone.

Each of the following is a step in endochondral bone formation except ________. Select one: a. Periosteum forms from connective tissue outside the developing bone. b. Osteoblasts deposit osseous tissue in place of disintegrating cartilage. c. Hyaline cartilage develops into the shape of the future bone. d. Hyaline cartilage changes to adipose tissue.

d. Hyaline cartilage changes to adipose tissue.

What is true regarding a compound fracture? Select one: a. It incompletely breaks the bone in more than one place. b. It completely breaks the bone in more than one place. c. It is caused by a disease. d. It exposes the broken bone to the outside.

d. It exposes the broken bone to the outside.

Which of the following is a true statement? Select one: a. Osteoblasts are large, multinucleated cells that break down calcified bone matrix. b. Osteoclasts deposit bone matrix around themselves and become osteocytes when they are isolated in lacunae. c. Osteoclasts secrete bone matrix and become osteoblasts. d. Osteoblasts deposit bone matrix around themselves and become osteocytes when they are isolated in lacunae.

d. Osteoblasts deposit bone matrix around themselves and become osteocytes when they are isolated in lacunae.

Where is the pituitary gland located? Select one: a. mandibular fossa. b. cribriform plate. c. sphenoidal sinus. d. sella turcica.

d. sella turcica.

Which of the following is not a function of bones? Select one: a. to provide a source for red and white blood cells. b. to store inorganic salts. c. to protect certain internal organs. d. to provide a set point for the control of blood pressure and body temperature.

d. to provide a set point for the control of blood pressure and body temperature.