What connects bone to bone?
None of these.
Ligaments.
Tendons.
Syndesmosis.
The Correct Answer is B
A ligament is a type of fibrous connective tissue that connects bone to bone. It usually serves to hold structures together and keep them stable.
For example, the anterior cruciate ligament (ACL) connects the femur and the tibia in the knee joint.
Choice A is incorrect because none of these is not a valid answer.
Choice C is incorrect because tendons are fibrous connective tissues that connect muscle to bone.
For example, the Achilles tendon connects the gastrocnemius muscle to the calcaneus bone in the ankle.
Choice D is incorrect because syndesmosis is a type of fibrous joint that connects two bones by a ligament or an interosseous membrane.
For example, the distal tibiofibular joint is a syndesmosis joint.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
The rib is a part of the axial skeleton, not the appendicular skeleton.
The axial skeleton
Choice A is incorrect because the clavicle is a part of the pectoral girdle, which connects the upper limbs to the axial skeleton.
Choice C is incorrect because the femur is a part of the lower limb, which is supported by the pelvic girdle.
Choice D is incorrect because the scaphoid is a part of the carpals, which are bones of the wrist in the upper limb.
Correct Answer is C
Explanation
Osteoclasts are the type of cells that increase their activity in response to parathyroid hormone (PTH) and break down bone tissue to release calcium into the blood.
PTH helps maintain the right balance of calcium in the body by stimulating osteoclasts.
Choice A is incorrect because osteoblasts are the type of cells that form new bone tissue by depositing calcium into the bone matrix.
PTH inhibits osteoblasts and reduces bone formation.
Choice B is incorrect because canaliculi are not cells, but small channels within the bone matrix that allow osteocytes to communicate with each other and exchange nutrients and waste.
PTH does not affect canaliculi directly.
Choice D is incorrect because osteocytes are the type of cells that are mature bone cells trapped within the bone matrix.
PTH can stimulate osteocytes to release calcium from the bone, but not as much as osteoclasts.
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