During increased exercise, __________.
A) venous return increases.
B) stroke volume decreases.
C) vasoconstriction occurs at the active skeletal muscles.
D) cardiac output decreases.
E) All of the answers are correct.
A) venous return increases.
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The arachnoid villi lack the tunica intima found in blood vessels.
Answer the following statement true (T) or false (F)
What are the two major control mechanisms that regulate the glomerular filtration rate (GFR)?
a. internal regulation and intrinsic parasympathetic control b. autoregulation and intrinsic sympathetic control c. internal regulation and extrinsic parasympathetic control d. autoregulation and extrinsic sympathetic control e. external regulation and extrinsic parasympathetic control
Which type of connective tissue is found between the vertebrae?
A. Fibrocartilage B. Dense irregular elastic tissue C. Elastic cartilage D. Hyaline cartilage E. Dense regular collagenous tissue
Which of the following pairs IS NOT matched correctly?
A. mechanoreceptors/ touch, pressure, hearing and equilibrium B. photoreceptors/light C. nociceptors/vibrations D. thermoreceptors/changes in temperature E. chemoreceptors/smell and taste, chemicals in body fluids