Curare is a competitive ACh antagonist at ________ ACh receptors.
A. muscarinic
B. nicotinic
C. kainate
D. NMDA
Answer: B
You might also like to view...
What organ is located in the lacrimal fossa?
A) the pituitary gland B) the inner ear C) tear gland D) the lacrimal ramus E) the frontal sinus
What enzyme degrades acetylcholine, keeping it from accumulating in the synapse?
A. Actinase B. Myosinase C. Acetylcholinesterase D. ATPase
Which of the following is a not a true statement regarding the countercurrent multiplication system?
A) The thin limb of the nephron loop is permeable to water. B) The thick limb of the nephron loop is permeable to solutes. C) Osmotic concentration in the nephron loop decreases as fluid flows toward the bottom of the loop. D) Tubule fluid arrives at the DCT at about 100 mOsm/L. E) The maximum solute concentration is about 1200 mOsm/L.
Which of the following are descending tracts in the spinal cord?
A. Spinocerebellar B. Fasciculus gracilis C. Rubrospinal D. Spinothalamic