Potassium secretion is regulated by
A) aldosterone.
B) angiotensin I.
C) renin.
D) atrial natriuretic peptide (ANP).
E) parathyroid hormone (PTH).
Answer: A) aldosterone.
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A postsynaptic neuron responds to neurotransmitters released by a presynaptic neuron by creating
a) EPSPs b) water-filled channels in its membrane c) IPSPs d) either EPSPs or IPSPs e) All the choices are correct
The spinal cord part with the largest diameter is the ___________ part
A. thoracic B. cervical C. lumbar D. sacral E. coccygeal
Each bone consists of either compact or spongy bone, but not both.
Answer the following statement true (T) or false (F)
Which of the following is caused by the chemical reactions of gases of the respiratory system?
A. Aids in defecation B. Regulation of blood pressure C. Regulation of pH D. The synthesis of vasodilators