Bicarbonate crosses the apical membrane of the proximal tubule by
A) HCO3-/Cl- countertransporters.
B) HCO3- active transporters.
C) conversion to carbon dioxide.
D) Na+/HCO3- cotransporters.
E) Na+/HCO3- countertransporters.
Ans: C) conversion to carbon dioxide.
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Introduction to the Structural Units
Select the letter of the choice that best completes the statement. 1. The study of the size and shape of the heart is called 2. Physiology is the study of 3. The anatomical position is described as 4. A plane that divides the body into right and left parts is a 5. If a person is complaining of pain that may indicate appendicitis, the pain would be located in the 6. The heart is described as superior to the diaphragm because it is 7. The brain and the spinal cord are located in the 8. The epigastric region of the abdominal area is located 9. Shivering to keep the body warm is an example of 10. The formation and release of hormones from a cell or structure is called
Which of the following will occur when an excitatory postsynaptic potential (EPSP) is being generated on the dendritic membrane?
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High levels of estrogen directly stimulate the LH-secreting cells of the anterior pituitary
Indicate whether the statement is true or false
A massive release, or surge, of ________ from the anterior lobe of the pituitary gland triggers ovulation.
A) gonadotropin B) FSH C) LH D) estrogen E) progesterone