Which of the following is not a feature that connective tissues have in common?
A. The presence of fibroblasts
B. Very conspicuous fibers
C. Ground substance with a gelatinous to rubbery consistency
D. A calcified matrix
E. The presence of collagen
Answer: D
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The effects of epinephrine on vascular resistance are dependent upon which of the following?
A) relative distribution of alpha and beta receptors B) concentration of local metabolites C) direction of change in mean arterial pressure D) specific baroreceptor activated (low or high pressure) E) relative distribution of nicotinic and muscarinic receptors
The region of the pharynx at the tip of the arrow in the figure shown is the ________
A) laryngopharynx B) oropharynx C) nasopharynx
Internal structures of a cell that carry out specialized metabolic tasks are called ________.
A. cytoskeletal elements B. organelles C. enzymes D. ribosomes
Which type of cartilage would be punctured if you chose to pierce the auricle of your ear?
A. Fibrocartilage B. Articular cartilage C. Elastic cartilage D. Hyaline cartilage E. Reticular cartilage