Invaginations of the sarcolemma are called __________.
A) actin myofilaments
B) end plates
C) thick filaments
D) transverse tubules
Ans: D) transverse tubules
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The bond between sodium and chlorine is a(n) ________ bond.
A) covalent B) ionic C) hydrogen D) hydrophobic E) metallic
Epithelial tissues always exhibit polarity; that is, they have a free surface and a basal surface
Indicate whether the statement is true or false
The ring of cartilage that forms the base of the larynx is the ________.
A. cuneiform cartilage B. arytenoid cartilage C. cricoid cartilage D. thyroid cartilage E. epiglottis
Diabetes insipidus is caused by ________.
A. a severe hypersecretion of ADH B. a severe hyposecretion of ADH C. the hyposecretion of insulin due to destruction of beta cells D. a reduction of the insulin receptors on target cells E. a reduction of ADH receptors on the target cells