Q: Which equation correctly represents the number of bones in the adult human skeleton?

$206 = 80 \text{ (axial)} + 126 \text{ (appendicular)}$

Question 1

Which of the following bones is part of the axial skeleton?

Accepted Answer

Skull

Question 2

What is the primary function of red bone marrow in adults?

Accepted Answer

Blood cell formation (hematopoiesis)

Question 3

Which of the following is NOT a function of bone?

Accepted Answer

Produce hormones

Question 4

How many bones are in the adult human skeleton?

Accepted Answer

206

Question 5

Which type of bone tissue is described as 'dense, smooth, homogeneous'?

Accepted Answer

Compact bone

Question 6

Which of the following is an example of a long bone?

Accepted Answer

Femur

Question 7

What is the difference between yellow and red bone marrow, and where are they located in adults?

Accepted Answer

Yellow marrow stores fat and is located in the medullary cavity; red marrow is responsible for blood cell formation and is found in spongy bone and epiphyses.

Question 8

Which of the following is NOT one of the 8 cranial bones?

Accepted Answer

Mandible

Question 9

What is the function of the hyoid bone?

Accepted Answer

It serves as a moveable base for the tongue and aids in swallowing and speech.

Question 10

Which of the following vertebral regions contains 12 vertebrae?

Accepted Answer

Thoracic

Question 11

Which bone is the weight-bearing bone of the leg?

Accepted Answer

Tibia

Question 12

How many carpals are in each hand?

Accepted Answer

8

Question 13

Which of the following is a synarthrosis joint?

Accepted Answer

Suture in the skull

Question 14

Which of the following is a feature of synovial joints?

Accepted Answer

Articular cartilage

Question 15

Which joint shape allows movement in only one plane (uniaxial)?

Accepted Answer

Hinge joint

Question 16

Which of the following bones forms the pectoral (shoulder) girdle?

Accepted Answer

Scapula and clavicle

Question 17

Which of the following is a function of the fontanelles in the fetal skull?

Accepted Answer

Allow flexibility of the skull during birth

Question 18

Which of the following is a correct description of the epiphyseal plate?

Accepted Answer

It is a flat line of hyaline cartilage seen in young, growing bone.

Question 19

Which of the following is NOT a structural classification of joints?

Accepted Answer

Epiphyseal

Question 20

Which equation correctly represents the number of bones in the adult human skeleton?

Accepted Answer

$206 = 80 	ext{ (axial)} + 126 	ext{ (appendicular)}$

Skeletal System: Structure, Function, and Classification

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