and Verified Answers | Complete Q&A Guide | A+ Graded
1. Osteoporosis is defined as:
A) A condition where bones become overly dense and heavy
B) The bone disease in which bones become impaired, porous, and thinner
C) A temporary inflammation of the joints
D) A condition affecting only the axial skeleton
Answer: B
Rationale: Osteoporosis is characterized by decreased bone density, making bones porous, thinner, and
more susceptible to fractures.
2. Children's bones are _______ than adults' bones.
A) Denser
B) Harder
C) Softer
D) More brittle
Answer: C
Rationale: Children's bones are softer and more flexible than adult bones due to higher collagen content
and lower mineral density.
3. The axial skeleton consists of which of the following?
A) Cranium, sternum, ribs, and coccyx
,B) Pelvis, femur, and tibia
C) Clavicle, scapula, and humerus
D) Carpals, tarsals, and phalanges
Answer: A
Rationale: The axial skeleton includes the cranium, sternum, ribs, and coccyx, forming the central axis of
the body.
4. Which of the following is a function of the skeletal system related to red and white blood cells?
A) Storage
B) Protection
C) Production
D) Support
Answer: C
Rationale: The skeletal system is responsible for the production of red and white blood cells through
hematopoiesis in the bone marrow.
5. An ectomorph body type is characterized by:
A) Athletic build with more muscle than body fat
B) Long and lean with little body fat or muscle
C) Curvy with greater body fat than muscle
D) Stocky with high muscle mass
Answer: B
,Rationale: Ectomorphs are typically long and lean with little body fat or muscle mass.
6. A mesomorph body type is characterized by:
A) Long and lean with little body fat or muscle
B) Athletic build with more muscle than body fat
C) Curvy with greater body fat than muscle
D) Round and soft with high body fat
Answer: B
Rationale: Mesomorphs have an athletic build with more muscle mass than body fat.
7. An endomorph body type is characterized by:
A) Long and lean with little body fat or muscle
B) Athletic build with more muscle than body fat
C) Curvy with greater body fat than muscle
D) Angular with low body fat
Answer: C
Rationale: Endomorphs tend to have a curvier build with greater body fat than muscle.
8. The epiphysis is the:
A) Shaft of a long bone
B) End of a long bone
, C) Membrane covering the bone
D) Cavity within the bone
Answer: B
Rationale: The epiphysis refers to the end of a long bone, which is typically wider and contains spongy
bone and red marrow.
9. The pelvic bone is classified as what type of bone?
A) Long bone
B) Short bone
C) Flat bone
D) Irregular bone
Answer: C
Rationale: The pelvic bone is classified as a flat bone due to its broad, flat shape and protective function.
10. Carpals and tarsals are what type of bone?
A) Long bones
B) Short bones
C) Flat bones
D) Irregular bones
Answer: B
Rationale: Carpals (wrist bones) and tarsals (ankle bones) are classified as short bones due to their
cubelike shape.