In the presence of lidocaine, the action potential was NOT affected at R1 because _______.
A) action potential propagation is in one direction
B) lidocaine was applied upstream of R1
C) lidocaine doesn't have an effect on the generation of action potentials
D) there are no voltage-gated sodium channels to be affected
Answer: A) action potential propagation is in one direction
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The basement membrane of the glomerulus is composed of glycoproteins and _________, and it restricts the passage of _________
A. phospholipids; plasma ions B. phospholipids; plasma proteins C. proteoglycans; plasma ions D. proteoglycans; plasma proteins
Glucose is actively transported across the capillary walls
Indicate whether the statement is true or false
The movement of molecules out of the digestive tract into circulation or the lymphatic system is ________.
A. absorption B. secretion C. peristalsis D. chemical digestion
At the root of the neck you find the ________, a depression in the sternum
A) sternal angle B) jugular notch C) clavicular space D) cricothyroid ligament