Question 1

Arthroscopic surgery is used to repair damage to the knee.What sorts of things can go wrong that can lead to damage in someone's knee?

Accepted Answer

The answer of Arthroscopic surgery is used to repair damage...

Question 2

The number of bones in a newborn exceeds the number of bones in an adult.Why would the number of bones decrease over time?

Accepted Answer

A) Some bones are lost due to replacement, like the loss of baby teeth. 
B) As some bones grow larger others do not and are no longer needed. 
C) The bones of a baby are more fragile than an adult, so more are needed to support the weight of the body. 
D) Some of the bones of babies will eventually fuse together to become one larger bone.

Question 3

Too much calcium in the bloodstream,a condition called hypercalcemia,can be very dangerous.The thyroid gland releases a hormone called calcitonin when calcium is too high.What must calcitonin do to lower calcium levels in the blood?

Accepted Answer

A) It reduces osteoclast activity and increases osteoblast activity. 
B) It increases osteoclast activity and reduces osteoblast activity. 
C) It reduces both osteoclast and osteoblast activity. 
D) It increases both osteoclast and osteoblast activity.

Question 4

A(n)________ is defined as damage to a ligament that can take longer to heal than muscular damage due to a lack of extensive vascularization.

Accepted Answer

The answer of A(n)________ is defined as damage to a...

Question 5

Which hormone causes calcium to be released from bone into the bloodstream?

Accepted Answer

A) Boniva 
B) estrogen 
C) calcitonin 
D) parathyroid hormone (PTH)

Question 6

Straps of connective tissue that hold bones together,support joints,and direct movement are known as ________.

Accepted Answer

A) tendons 
B) ligaments 
C) bursae 
D) cartilages

Question 7

Match each definition in the first column to the correct term in the second column.
-The seven bones that form the ankle.

Accepted Answer

A) Carpals 
B) Osteoclasts 
C) Femur 
D) Lumbar 
E) Sacrum
F)Humerus
G)Tarsals
H)Metatarsals
I)Osteoblasts
J)Foramen magnum
K)Temporal

Question 8

Match each definition in the first column to the correct term in the second column.
-The bone that is connected to the pectoral girdle and forms a joint with the radius and ulna.

Accepted Answer

A) Carpals 
B) Osteoclasts 
C) Femur 
D) Lumbar 
E) Sacrum
F)Humerus
G)Tarsals
H)Metatarsals
I)Osteoblasts
J)Foramen magnum
K)Temporal

Question 9

Two small bones found at the corner of the eyes that have a duct system that drains tears from the eyes into the nasal chambers are ________.

Accepted Answer

A) lacrimal 
B) frontal 
C) occipital 
D) temporal

Question 10

A cartilage disk that joins the two pelvic bones in the anterior region of the pelvic girdle is known as the ________.

Accepted Answer

A) pubic symphysis 
B) sacrum 
C) patella 
D) pelvis

Question 11

Carpal tunnel syndrome is caused by an inflammation of tendons passing through the carpal tunnel of the wrist.What causes this inflammation and pain?

Accepted Answer

A) The tendons become stretched out to the point in which they tear away from the bone. 
B) The tendons are repeatedly rubbed against bone by certain continuous hand motions. 
C) The associated muscles are too weak and begin to spasm, leading to inflammation. 
D) The muscles eventually fatigue and become swollen, thus swelling the tendon.

Question 12

What can cause a slipped disk?

Accepted Answer

A) slipping on the ice in winter and breaking a vertebra of the coccyx 
B) improper lifting, leading to a bulge in a disk between two lumbar vertebrae 
C) two vertebrae of the sacrum slipping past each other in opposite directions 
D) scoliosis

Question 13

The ________ forms the lower jaw in humans.

Accepted Answer

The answer of The ________ forms the lower jaw in...

Question 14

After a calcium-rich meal ________.

Accepted Answer

A) parathyroid hormone stimulates the activities of osteoblasts and removes calcium from the blood 
B) calcitonin removes calcium from the blood and stimulates the activities of osteoclasts 
C) parathyroid hormone is released by the thyroid gland to inhibit the activities of osteoclasts 
D) calcitonin stimulates the activities of osteoblasts and removes calcium from the blood

Question 15

What forms within the spaces of spongy bone and functions to produce blood cells?

Accepted Answer

A) yellow marrow 
B) osteons 
C) osteocytes 
D) red marrow

Question 16

Calcium intake is of concern to women during pregnancy.If a woman for whatever reason does not get enough calcium in her diet during pregnancy,what is likely to happen to her bone tissue?

Accepted Answer

A) She will experience severe bone loss due to the loss of estrogen production during pregnancy. 
B) She may experience some bone loss due to the lack of calcium in her diet, but nothing significant. 
C) She may experience significant bone loss both due to the lack of calcium and the fact that the fetus requires extra calcium that will be removed from her own bone tissue. 
D) The fetus will be born without a skeleton.

Question 17

Vertebrae in the neck are classified as ________ vertebrae.

Accepted Answer

The answer of Vertebrae in the neck are classified as...

Question 18

Membranous areas in the infant skull that join bones and function to allow for rapid growth of the brain are known as ________.

Accepted Answer

A) fibrous membrane 
B) osteocytes 
C) fontanels 
D) lacunae

Question 19

Which of the following are the bones that form the bridge of the nose?

Accepted Answer

A) occipital 
B) sphenoid 
C) nasal 
D) temporal

Question 20

Which bones form a connection between the scapula and the sternum to support the pectoral girdle?

Accepted Answer

A) clavicles 
B) vertebrae 
C) humerus 
D) ribs

Exam 5: The Skeletal System