Which substance has equal concentrations in CSF and plasma?

Related MCQs

• The following physiological events that occur in the body are listed in random sequence: a. decreased CSF pH b. increased PaCO2 c. increased CSF PCO2 d. stimulation of medullary chemoreceptors e. increased PACO2 What is the usual sequence?
• What is the clearance of a substance when its concentration in plasma is 1mg/ml, its concentration in urine is 10mg/ml and the urine flow is 2ml/min
• What is the clearance of a substance when its concentration in plasma is 1mg/ml, its concentration in urine is 10mg/ml and the urine flow is 2ml/min?
• Substance X is freely filtered by the glomerulus and is not reabsorbed, nor secreted nor metabolized. If - serum x concentration = 0.020 mg/ml renal artery x concentration = 0.020 mg/ml renal vein x concentration = 0.002 mg/ml urine x concentration = 14 mg/ml urine flow = 54 ml/hr lymphatic x concentration = 0.00001 mg/ml haematocrit = 0.45 Renal plasma flow is:
• Which substance is 60 times more concentrated in urine than in plasma?
• Regarding the comparison of ECF with CSF – all of the following are true EXCEPT
• CSF:
• Which is NOT present in high concentrations, at the active zone of synapses?
• Which plasma protein has the greatest thyroxine binding capacity?
• Which plasma protein has the greatest thyroxine-binding affinity?