Which fluid has a higher concentration of solutes?
A. Interstitial fluid of tissues
B. Blood plasma
Answer: B
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The function of the platelet plug is to block the blood vessel so that blood cannot flow through it.
Answer the following statement true (T) or false (F)
Which of the following statements regarding Ca2+ homeostasis is TRUE?
A. In the absence of parathyroid hormone, plasma Ca2+ levels would be abnormally low, resulting in the hyperpolarization of nerve and muscle membranes. B. Parathyroid hormone directly stimulates Ca2+ absorption from the GI tract. C. When plasma Ca2+ increases above normal, the secretion of parathyroid hormone increases. D. Vitamin D decreases the renal tubular reabsorption of Ca2+. E. Parathyroid hormone directly stimulates Ca2+ reabsorption by the kidneys.
Where is blood moving during the period of ejection?
A. Ventricles to atria B. Great vessels to ventricles C. Atria to great vessels D. Ventricles to great vessels E. Atria to ventricles
The lymphatic system is composed of all of the following except
A) the appendix. B) the venae cavae. C) the spleen. D) red bone marrow. E) lymph.