Which choice best describes the function of the haversian (central) canals within bone?

Question 1

Which statement is NOT true regarding the skeletal system?

Answers:

A. Spongy bone of flat bones in adults is commonly filled with red bone marrow

B. External stresses placed on bone (such as exercise) will increase the bone matrix density

C. Osteocytes are “connected” to one another via canaliculi

D. Osteoclasts secrete collagen fibers to induce increased bone density

Question 2

Which choice is true regarding myoglobin?

Answers:

A. It is a molecule that can store ATP molecules within the muscle cell

B. It is a molecule that can store glycogen to be used to make ATP

C. It causes muscle cells to have a reddish color/appearance

D. Found in high concentrations within fast glycolytic muscle fibers

Question 3

What statement is NOT true regarding synovial joints?

Answers:

A. Every synovial joint has a meniscus

B. The joint cavity is completely surrounded by an articular capsule

C. The joint cavity contains synovial fluid

D. Articular cartilage covers the epiphyseal ends of articulating bones

Question 4

Which statement is true of articulations (joints)?

Answers:

A. Cartilaginous joints are freely moveable

B. Tendons do not assist in stabilization of joints

C. Bursas assist cartilaginous joints function

D. Cranial bone sutures are classified as fibrous joints

Question 5

Autosomal recessive traits and disorders typically show up in each generation.

Answers:

True

False

Question 6

Which bone cell is responsible for stimulating the production of extracellular matrix and increasing its overall concentration?

Answers:

A. Osteocyte

B. Osteoblast

C. Osteogenic

D. Osteoclast

Question 7

Osmosis is the movement of random molecules from a high to low concentration across a selectively permeable membrane?

Answers:

True

False

Question 8

What is the best statement to describe what a fascicle is?

Answers:

A. It is a connective tissue covering around an individual muscle cell (fiber)

B. It is a connective tissue covering a group muscle cells (fibers)

C. It is a protective connective tissue covering around the muscle

D. It is a pathway for blood vessels to reach the muscle cells

Question 9

Blood cell production is a primary function of the skeletal system?

Answers:

True

False

Question 10

The organic components of the extracellular matrix space include collagen fibers?

Answers:

True

False

Question 11

A ligament connects a muscle to a bone while a tendon stabilizes a joint by connecting or joining one bone to another.

Answers:

True

False

Question 12

The arrangement of the fascicles in a muscle influences the direction a muscle will contraction?

Answers:

True

False

Question 13

Sodium ions (Na+) must bind to troponin in order for the muscle contraction process to occur?

Answers:

True

False

Question 14

Which is not true of muscular tissue and/or muscle contraction?

Answers:

A. Slow oxidative muscle fibers contain myoglobin giving these fibers a reddish color

B. A sarcomere consists of both thick and thin filaments

C. The sarcoplasmic reticulum stores the calcium ions utilized for muscle contraction

D. The passing of the action potential from the nerve to the muscle cell occurs because the nerve is in direct contact with the muscle cell

Question 15

The cross bridging process in muscle contraction requires ATP?

Answers:

True

False

Question 16

Which type of skin cancer has the highest fatality rate?

Answers:

A. Melanoma

B. Squamous cell carcinoma

C. Keratinoma

D. Basal cell carcinoma

Question 17

The majority of joints within the body are classified as:

Answers:

A. Cartilaginous

B. Synovial

C. Fibrous

D. Synarthroses

Question 18

Aerobic respiration creates lactic acid as a by product but produces far more ATP than anaerobic respiration?

Answers:

True

False

Question 19

Which cellular organelle is responsible for the production of ATP?

Answers:

A. Lysosome

B. Mitochondria

C. Gogli apparatus

D. Nucleus

Question 20

A strain occurs when there is ligament damage to a joint?

Answers:

True

False

Question 21

Parathyroid gland will cause an increase activity of the osteoclasts?

Answers:

True

False

Question 22

Which choice is NOT true regarding bone tissue?

Answers:

A. Trabeculae are found within spongy bone

B. One of the organic materials of bone include calcium

C. Osteocytes reside within a little open space called lacuna within bone tissue

D. The periosteum is the outer protective covering of bone

Question 23

This type of gland secretes an oily secretion that helps lubricate and keeps the skin and hair from becoming dried out?

Answers:

A. Eccrine gland

B. Ceruminous gland

C. Sebaceous gland

D. Apocrine gland

Question 24

Which is the cell found in majority within the epidermis?

Answers:

A. Melanocytes

B. Keratinocytes

C. Osteocytes

D. Basal cells

Question 25

Which is NOT true regarding the epiphyseal plates?

Answers:

A. They can be utilized to determine whether a bone is still growing longitudinally

B. It is a result of bone being converted into cartilage so the bone can grow

C. They are not visible on X-ray because of the cartilage they are composed of

D. Commonly found at the epiphyses of long bones

Question 26

Which of the following muscles is not a SITS muscle?

Answers:

A. Pectoralis major

B. Teres minor

C. Supraspinatus

D. Subscapularis

Question 27

Skin cancer originates in the dermis of the skin?

Answers:

True

False

Question 28

A motor unit is all the muscle fibers one motor neuron innervates?

Answers:

True

False

Question 29

This type of tissue is found exposed to external environments, lines hollow organs such as the stomach and bladder, and plays an integral role in the epidermis?

Answers:

A. Nervous tissue

B. Connective tissue

C. Epithelial tissue

D. Muscular tissue

Question 30

What is NOT a Characteristic to a synovial joint?

Answers:

A. Synovial fluid lubricates the joint and prevents excessive wear on the joints

B. The synovial membrane produces synovial fluid

C. The joint cavity space tends to stay the same through life even with trauma

D. The synovial joint is stabilized by ligaments

Question 31

What is NOT found in the dermis layer of skin?

Answers:

A. Melanin

B. Collagen fibers

C. Elastic fibers

D. Muscular tissue

Question 32

Wolf’s law of bone relates to the concept of bone density is directly related to the dietary ingestion of calcium?

Answers:

True

False

Question 33

For the thick filament and the thin filament to release or un-attach during muscle contraction, this process requires ATP?

Answers:

True

False

Question 34

What is not a function of the integument system?

Answers:

A. Assist in the production of vitamin D

B. Assist in regulation of the body temperature

C. Excretion of waste

D. Assist in the protection of calcium loss within the body

Question 35

Which statement is NOT true regarding muscles?

Answers:

A. A sprain is damage to a muscle or its tendon

B. The antagonist muscle or muscle group opposes a movement of a particular muscle or muscle group

C. The insertion point of a muscle is attached to the moveable bone during joint motion