Pathophysiology | Portage |Q&A| 26/27
Actual (PDF)
1. A student is examining the structural organization of the musculoskeletal system. Which function is
primarily attributed to the skeletal system?
A) Production of hormones that regulate metabolism
B) Support, protection, and mineral storage
C) Generation of heat through shivering
D) Regulation of blood pressure through vasoconstriction
Correct Answer: Support, protection, and mineral storage
Rationale: The skeletal system provides structural support, protects vital organs, and stores minerals
such as calcium and phosphorus. Hormone production is primarily an endocrine function, heat
generation through shivering is a muscular function, and blood pressure regulation is a cardiovascular
function, making those options incorrect.
2. A researcher is studying the types of bones based on their shape. Which category includes bones
such as the femur and humerus?
A) Flat bones
B) Long bones
C) Short bones
,D) Irregular bones
Correct Answer: Long bones
Rationale: Long bones are longer than they are wide and include the femur, humerus, tibia, and fibula.
Flat bones include the sternum and skull bones, short bones include carpals and tarsals, and irregular
bones include vertebrae and the mandible, making those options incorrect.
3. A student is examining the bones that are classified as flat bones. Which bone is an example of a
flat bone?
A) Femur
B) Sternum
C) Carpal
D) Vertebra
Correct Answer: Sternum
Rationale: The sternum is a flat bone that provides protection and muscle attachment. The femur is a
long bone, the carpal is a short bone, and the vertebra is an irregular bone, making those options
incorrect.
4. A researcher is studying the bones that are classified as irregular bones. Which bone is an example
of an irregular bone?
A) Femur
, B) Sternum
C) Carpal
D) Vertebra
Correct Answer: Vertebra
Rationale: Vertebrae are irregular bones with complex shapes that protect the spinal cord. The femur
is a long bone, the sternum is a flat bone, and the carpal is a short bone, making those options
incorrect.
5. A student is examining the bones that are classified as short bones. Which bone is an example of a
short bone?
A) Femur
B) Sternum
C) Carpal
D) Vertebra
Correct Answer: Carpal
Rationale: Carpals are short bones that provide stability and support with some motion. The femur is
a long bone, the sternum is a flat bone, and the vertebra is an irregular bone, making those options
incorrect.
6. A researcher is studying the structure of a long bone. Which region contains the growth plate in a
growing child?