With age, connective tissues
A. become more flexible.
B. become thinner.
C. lose their blood supply.
D. lose their pliability and resiliency.
E. increase in mass.
D
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Which hormone is the primary hormone involved in protein breakdown in the postabsorptive state?
a) Glucagon b) Epinephrine c) Cortisol d) Glucagon e) Thyroid Hormone
Within the red pulp of the spleen are enlarged capillaries called _________, which have a discontinuous basal lamina that allows blood cells to enter and exit easily
A. splenic cords B. trabecular vessels C. splenic vessels D. splenic sinusoids E. trabecular cords
Which of the following factors is most important in matching the blood flow through a specific tissue with the metabolic needs of that tissue?
a. sympathetically induced vasoconstriction of the arteries supplying a tissue forces more blood to flow into the tissue. b. parasympathetically induced vasodilation of the capillaries within a tissue allows more blood to flow into the tissue. c. local changes within a tissue resulting from increased metabolic activity can produce local arteriolar vasodilation to allow more blood to flow into the tissue. d. widespread venous vasoconstriction allows blood to dam up at the tissue level. e. the amount of blood flowing through each tissue remains constant through reflex controls to ensure that metabolic needs are continuously met.
The effects of aging on tissues result in _____.?
A) ?a decrease in pigments inside the cell B) ?the cells becoming larger C) ?connective tissue becoming progressively more pliable D) ?much tissue hypertrophy