Monday, July 27, 2009

Skeletal system questions?

1: The skin is a waterproof covering that ________.


cushions our internal organs


prevents entry of harmful microorganisms


prevents dehydration


helps regulate our body temperature and maintains homeostasis


all of the above








2: The _________ provides external protection to the body and is the largest organ of the ________ system.


endoskeleton; skeletal


skin; integumentary


subcutaneous tissues; skin


cartilage; skeletal


none of the above








3: Osteoporosis is _________.


the build-up of calcium in the bones of the body


the loss of calcium from the bones of the body


a condition in which the bones become brittle and porous


both B and C


none of the above








4: Skin cells divide and multiply in the __________.


epidermis


osteoclasts


dermis


subcutaneous tissues


all of the above








5: The _________ glands produce oil that lubricates the skin.


sweat


sudoriferous


subcutaneous


sebaceous


none of the above








6: Most skeletal muscles are found in _______ pairs, meaning that as one ________, the other relaxes.


antagonistic; contracts


metacarpal; stretches


flexible; bends


skeletal; pushes


none of the above








7: Cartilage is gradually replaced by bone in a process called __________.


mitosis


ossification


dehydration


homeostasis


none of the above








8: Bone-forming cells called osteoblasts add _________ to the bones, making them harder.


keratin


acetylcholine


air


calcium


none of the above








9: The skull is connected to the spine by a _________ joint, a type of __________ joint.


pivot; synovial


ball-and-socket; synovial


hinge; gliding


gliding; flexible


none of the above








10: The most flexible type of joint of the body is the ___________.


phalanges


pivot joint


carpal joints


ball-and-socket joint


all of the above

Skeletal system questions?
1. all of the above


2.skin; integumentary


3. b and c


4. epidermis


5. sebaceous


6. A


7. ossification


8. calcium


9. pivot; synovial


10. ball and socket
Reply:Wouldn't it be easier to just read the textbook and actually LEARN the answers?





All of them are "A".


No comments:

Post a Comment