Which of the following frequently causes decubitus ulcers?
A) infection by resident flora
B) inadequate circulation at pressure points
C) normal degenerative changes
D) allergic reaction to adhesive tape or dressings
Ans: B) inadequate circulation at pressure points
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A perpendicular plate is a feature of the _____ and _____ bones
A. palatine; lacrimal B. ethmoid; sphenoid C. palatine; ethmoid D. nasal; lacrimal E. maxilla; zygomatic
The ________ of the humerus establishes the lateral contour of the shoulder.
A) deltoid tuberosity B) greater tubercle C) lateral epicondyle D) capitulum E) trochlea
What brain tissues have tight junctions?
A) microglial cells B) astrocyte processes around the pia matter C) ependymal cells of each choroid plexus D) Schwann cells around each neuron E) oligodendrocytes around each neuron
Which light-touch receptor is associated with Merkel cells in the epidermis?
A) Tactile corpuscle B) Lamellated corpuscle C) Ruffini ending D) Free nerve endings