Question 1

Which of the following is NOT a function of the skeletal system?

Accepted Answer

Regulation of blood glucose

Question 2

A patient presents with a fracture in the shaft of their femur. Which part of the long bone is most likely affected?

Accepted Answer

Diaphysis

Question 3

Which hormone is released in response to high serum calcium levels and acts to decrease blood calcium by stimulating osteoblast activity?

Accepted Answer

Calcitonin

Question 4

During the healing of a bone fracture, which stage involves the formation of a fibrous meshwork and the death of local osteocytes?

Accepted Answer

Fracture hematoma formation

Question 5

Which of the following bones is part of the pectoral girdle?

Accepted Answer

Scapula

Question 6

What is the main structural difference between true ribs and false ribs?

Accepted Answer

True ribs are directly attached to the sternum, false ribs are attached via costal cartilage

Question 7

Which bone cell type is responsible for bone resorption and the release of calcium into the bloodstream?

Accepted Answer

Osteoclast

Question 8

A newborn’s skull contains fontanelles. What is the primary function of these structures during birth?

Accepted Answer

To allow the skull bones to overlap during passage through the birth canal

Question 9

Which structure passes through the vertebral foramen of each vertebra?

Accepted Answer

Spinal cord

Question 10

Which of the following best describes the role of the menisci in the knee joint?

Accepted Answer

They act as shock absorbers and provide lateral stability

Question 11

Which of the following equations best represents the relationship between calcium homeostasis and bone remodeling?

Accepted Answer

$$PTH \uparrow \Rightarrow Ca$$^{2+}$$ \uparrow ($$blood) $$\Rightarrow$$ bone resorption$

Question 12

Which of the following is a similarity between the fetal and adult skull?

Accepted Answer

Both have occipital, frontal, and parietal bones

Question 13

Which of the following best explains why the hip joint is less likely to dislocate than the shoulder joint?

Accepted Answer

The hip joint has a deeper socket and stronger ligaments

Question 14

Which of the following bones is NOT part of the pelvic girdle?

Accepted Answer

Femur

Question 15

Which of the following best describes the function of surface markings on bones?

Accepted Answer

They provide attachment points for muscles, tendons, and ligaments

Question 16

Which of the following is the correct sequence of events in bone fracture healing?

Accepted Answer

Fracture hematoma formation → Callus formation → Spongy bone formation → Compact bone formation

Question 17

Which muscle is primarily responsible for supination of the forearm?

Accepted Answer

Biceps brachii

Question 18

Which of the following bones is NOT found in the upper limb?

Accepted Answer

Tibia

Question 19

Which structure is responsible for the production of blood cells in adults?

Accepted Answer

Red bone marrow

Question 20

Which of the following best describes the role of vitamin D in calcium homeostasis?

Accepted Answer

It increases intestinal absorption of calcium

Step-by-Step Guidance for Skeletal System and Articulations (ANP College Level)

Study Guide - Practice Questions