Aldosterone causes kidney tubules to
A. reabsorb more sodium, water, and potassium.
B. reabsorb more sodium and water, and secrete more potassium.
C. reabsorb more sodium, and secret more water and potassium.
D. secrete more sodium, water, and potassium.
E. secrete more sodium and reabsorb more potassium.
B
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The external os is the
A. opening of the cervix into the vagina. B. primary suspensory ligament for the uterus. C. bone that supports the uterus during pregnancy. D. uterine tube attachment site. E. inferior portion of the central cavity.
A bronchodilator ________________________________________ the airways
Fill in the blank(s) with correct word
Synarthroses are freely moving joints or articulations
a. True b. False Indicate whether the statement is true or false
Negative feedback loops are ________
A) self-amplifying cycles B) not homeostatic mechanisms C) associated with "vicious circles" D) homeostatic mechanisms E) usually harmful