The type of cell connection that serves as a permeability barrier is a ________.
A. hemidesmosome
B. gap junction
C. intercalated disc
D. tight junction
E. desmosome
Answer: D
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The mucous membrane on the surface of the eye is called the:
a. cornea b. sclera c. conjunctiva d. gingiva
All of the following describe an anatomical region except which one?
A. Plantar B. Inguinal C. Sagittal D. Appendicular
Tonic receptors
A) are quick to adapt to a particular stimulus intensity. B) are attune to changes in a parameter, not the extent of that change. C) slowly decrease the frequency of action potentials generated to a constant stimulus. D) will always decrease to the point where no action potentials are generated.
Which of these is NOT a muscle that can flex the knee?
a. biceps femoris b. vastus medialis c. gastrocnemius d. gracilis e. sartorius