Red blood cells in the pulmonary vein would contain a higher concentration of chloride ions than red blood cells in the pulmonary artery
Indicate whether the statement is true or false
F
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White blood cells
a. are the most abundant type of blood cell b. do not have nuclei c. are actually only cell fragments d. defend the body against foreign invasion e. are found only in the blood
Which of the following statements regarding PTH (parathyroid hormone) is true?
A. PTH causes increased Na+ reabsorption in the kidneys. B. PTH causes increased reabsorption of Ca2+ in the kidneys. C. PTH causes increased loss of Ca2+ from the kidneys. D. PTH causes decreased uptake of Ca2+ from the small intestine. E. PTH causes decreased vitamin D formation in the kidneys.
The gallbladder is located on the posterior side of the:
A) spleen. B) pancreas. C) liver. D) stomach.
As you ascend from the medulla oblongata to the cerebrum, the functions of each successive level become
A) more complex. B) simpler. C) better understood. D) more crucial to visceral functions. E) critical to reflexes.