Edition Test Bank with 65 QUESTIONS AND
ANSWERS
25) Which is true of sex hormones?
A) They inhibit osteoblast activity.
B) They have no effect on bone.
C) They stimulate ossification of the epiphyseal plates.
D) Their action on bone growth is stronger in males than in females. - C
26) Exercise ________ and ________ bones.
A) thickens; elongates
B) elongates; weakens
C) thickens; strengthens
D) thins; atrophies - C
27) Red bone marrow functions in the formation of
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
28) Which of the following does not describe the function(s) of the skeletal system?
A) It interacts with muscles, providing movement.
B) It stores inorganic salts.
C) It protects organs, especially in the head and thorax.
D) It generates the movements of the limbs. - D
29) Which of the following is the most abundant form in which calcium is found in the
inorganic matrix of the bone?
A) Calcium oxalate
B) Hydroxyapatite
C) Calcium pyrophosphate
D) Calcium carbonate - B
30) Which of the following is not a function of bones?
A) Contraction
B) Attachment for muscles
C) Blood cell production
D) Storage of inorganic salts - A
31) Bones
, A) are not living tissue.
B) are multifunctional.
C) do not contribute to homeostasis.
D) have a matrix composed mostly of organic salts. - B
32) The axial skeleton includes
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
33) The pituitary gland is located in the
A) sella turcica.
B) cribriform plate.
C) sphenoidal sinus.
D) mandibular fossa - A
34) The hard palate is composed of the
A) sphenoid and ethmoid bones.
B) nasal conchae and vomer bones.
C) zygomatic and lacrimal bones.
D) maxillary and palatine bones. - D
35) The zygomatic arch is composed of processes of
A) the zygomatic and temporal bones.
B) the zygomatic and maxillary bones.
C) the maxillary and temporal bones.
D) the temporal and parietal bones. - A
36) Which of the following bones is not part of the orbit of the skull?
A) Ethmoid
B) Sphenoid
C) Vomer
D) Frontal - C
37) Bacteria infecting the mucous membranes in the air cells of the mastoid process
most likely spread from the
A) middle ear.
B) meninges.
C) frontal sinus.
D) maxillary sinus. - A
38) A cleft palate results from incomplete development of the
A) ethmoid bone
B) maxillae.
C) mandible.