Organized groups of cells (plus their intercellular substances) that have a common purpose form a(n) ________.
A) organ
B) tissue
C) organism
D) organ system
B) tissue
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This figure shows the anatomy of compact bone. Which number is referring to a perforating (or Volkmann's) canal?
A. 1 B. 2 C. 3 D. 4 E. 5
Which of the following statement is false when comparing neurons and muscle tissue?
A) Muscle tissue and nerves are both excitable. B) Muscle tissue and neurons both have a resting membrane potential. C) Muscle tissue and neurons both have refractory periods. D) Resting membrane potentials are greater (more positive) in muscle compare to neurons. E) Action potentials last longer in muscle tissues compared to neurons.
The superior oblique muscle
A. turns the eye outward, away from the midline. B. rotates the eye clockwise. C. rotates the eye counterclockwise. D. rolls the eye upward.
Which is not a cell type found in the olfactory epithelium?
A. Supporting cell B. Fungiform cell C. Olfactory receptor cell D. Basal cell