Which glial cells convert glucose to lactate and contribute to the nourishment of neurons?
A. Oligodendrocytes
B. Astrocytes
C. Microglia
D. Ependymal cells
E. Schwann cells
B. Astrocytes
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The electron transport chain
A. does not require oxygen, and involves proteins in the outer membrane of mitochondria. B. does not require oxygen, and involves proteins in the cristae of mitochondria. C. requires oxygen, and involves proteins in the outer membrane of mitochondria. D. requires oxygen, and involves proteins in the cristae of mitochondria.
Which of the following is a linear movement in the frontal plane?
A. shoulder adduction B. shoulder girdle elevation C. shoulder flexion D. both A & B
Match each step in urine formation to its description.
1. movement from the nephron lumen to the external environment 2. movement from the nephron lumen to the blood 3. movement from the glomerulus to the nephron lumen 4. movement from the peritubular capillaries to the nephron lumen A. excretion B. filtration C. reabsorption D. secretion
Systolic pressure is the peak pressure in systemic arteries and occurs at the beginning of systole.
Answer the following statement true (T) or false (F)