What type of tissue is found in the most superficial layer of skin?
A. Simple squamous epithelium
B. Stratified squamous epithelium
C. Dense irregular connective tissue
D. Areolar connective tissue
E. Dense regular connective tissue
B. Stratified squamous epithelium
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Which is TRUE about the comparison of excitation-contraction coupling in cardiac muscle with that in skeletal muscle?
A. Extracellular Ca2+ plays a major role in cardiac but not skeletal muscle. B. The mechanism for Ca2+ release from the sarcoplasmic reticulum is the same in both types of muscle. C. Intracellular Ca2+ stores are necessary for contraction in skeletal muscle, but not in cardiac muscle. D. Troponin sites are completely saturated immediately after Ca2+ release in both types of muscle. E. There is no net change in total intracellular Ca2+ concentration in either muscle.
The small intestineA) is the main site of fat digestion.B) secretes amylase, lipase, and various proteases from its epithelial cells.C) is the main site of gastrin secretion.D) absorbs a larger volume of fluid than any other region of the GI tract.E) undergoes only peristaltic contractions, both during the digestion of meals and between meals.
What will be an ideal response?
The fibula is not part of the _____ articulation of the knee joint.
Fill in the blank(s) with the appropriate word(s).
The expanded chambers that open to the nipple of the breast are the __________.
a. lactiferous ducts b. secretory alveoli c. mammary glands d. lactiferous sinuses