In which form is most of the oxygen carried in arterial blood?
A. bound to hemoglobin
B. dissolved in the plasma
C. dissolved in the cytosol of erythrocytes
D. converted to HCO3-
E. bound to myoglobin
A
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Which of the following is a normal constituent of urine?
A. Glucose B. Large proteins C. Blood D. Creatinine
The ureter extends downward
A. behind the parietal peritoneum and joins the urinary bladder from below. B. in front of the parietal peritoneum and joins the urinary bladder from above. C. behind the parietal peritoneum and joins the urinary bladder from above. D. in front of the parietal peritoneum and joins the urinary bladder from below.
Lysosomes are organelles specialized for breaking down intracellular debris or malfunctioning parts of cells.
Answer the following statement true (T) or false (F)
Which of the following describes the blind spot?
A. There are rod cells but no cone cells. B. There are cone cells but no rod cells. C. It is where bipolar cells block light from reaching the rods and cones. D. It is where the iris casts a shadow on part of the retina. E. It is where the optic nerve leaves the eye.