Which of the following is a mature cartilage cell that resides within a small cavity in the ECM called lacunae?
A) chondrocytes B) osteoblasts C) chondroblasts D) fibroblasts
Answer: A
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The parasympathetic nervous system is especially active during which physiological state?
A) exertion B) trauma C) digestion D) stress E) exercise
What is hydrostatic pressure?
A) Pressure exerted by a fluid at rest B) Pressure exerted by a fluid in motion C) Resistive forces generated by fluid viscosity D) High blood pressure
Stimulus intensity, or strength, is encoded in
a. the amplitude (height) of the action potential with stronger stimuli eliciting taller action potentials. b. duration of a single action potential with stronger stimuli eliciting overshoots with more area under the curve. c. frequency of action potentials with stronger stimuli eliciting higher frequencies. d. faster conduction velocities with stronger stimuli resulting in more rapid depolarization of contiguous segments of the axonal membrane. e. all of these.
Which statement is false regarding the oropharynx?
A. It houses the paired palatine tonsils. B. It extends from the soft palate to the level of the hyoid bone. C. It is located posterior to the oral cavity. D. It houses the pharyngeal tonsil. E. It houses the lingual tonsils.