In what type of fracture do we consider the bone to be shattered?
Transverse.
Spiral.
Comminuted.
Greenstick.
The Correct Answer is C
Choice A is incorrect because transverse fractures are the type of fractures where the bone has a horizontal fracture line.
They are usually caused by a strong force applied at a right angle to the bone shaft.
Choice B is incorrect because spiral fractures are the type of fractures where the bone has an angled fracture line that curves around the bone shaft.
They are usually caused by a twisting force applied to the bone.
Choice D is incorrect because greenstick fractures are the type of fractures where the bone is bent and partially broken on one side.
They are usually seen in children whose bones are softer and more flexible than adults.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["Mastoid process"]
Explanation
The mastoid process is a bony prominence located on the temporal bone of the skull, behind the ear.
It serves as an attachment site for several muscles, including the sternocleidomastoid and the splenius capitis.
The mastoid process also contains small air cells that are connected to the middle ear, which play a role in regulating the pressure within the ear.
In addition, the mastoid process is located in close proximity to several important structures, including the facial nerve, the internal jugular vein, and the sigmoid sinus.
Injuries to the mastoid process can occur as a result of trauma, infection, or tumors, and can cause pain, swelling, and other symptoms.
Correct Answer is A
Explanation
Osteoclasts are the type of cells that break down bone tissue by secreting acid and enzymes.
They are derived from monocytes and macrophages, two types of white blood cells.
Choice B is incorrect because chondrocytes are the cells that produce and maintain cartilage, a flexible connective tissue found in joints.
Choice C is incorrect because osteocytes are the mature bone cells that maintain the mineral concentration of the bone matrix.
They are derived from osteoblasts, the bone-forming cells.
Choice D is incorrect because osteoblasts are the cells that form new bone by synthesizing and secreting collagen and calcium salts.
They are derived from osteogenic cells, the undifferentiated cells that can divide.
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