Chemical mediators released from platelet granules and plasma membranes stimulate contraction of vascular smooth muscle
Indicate whether the statement is true or false.
TRUE
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Sickling of red blood cells can be produced in those with sickle-cell anemia by ________.
A) travel at high altitude B) vigorous exercise C) malaria and travel at high altitude D) travel at high altitude and vigorous exercise
If through injury, both the blood flow to the kidneys and the glomerular filtration pressure decrease, which of the following will likely occur?
A) The renin-angiotensin system will be activated. B) Sodium reabsorption will be inhibited. C) Vasoconstriction of the afferent arterioles and glomerular capillaries. D) Vasodilation of the efferent arterioles and glomerular capillaries. E) The amount of ADH released in the blood will decrease.
Interphase occurs
A. between telophase II and cytokinesis. B. between anaphase I and telophase I. C. between prophase I and prophase II. D. between meiosis I and meiosis II. E. prior to meiosis.
Most congenital birth defects are caused by
A. inherited traits. B. viral infections during pregnancy. C. unknown causes. D. lack of oxygen to the fetus. E. None of the choices are correct.