What causes the release of neurotransmitters from sweet and umami tastes?
A. Release of Ca2+ from endoplasmic reticulum
B. Opening of extracellular Ca2+ channels
C. Closing of Na+ channels
D. Closing of K+ channels
Answer: D
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The most commonly employed contrast media in MRI is
A. water soluble non-ionic iodinated. B. water soluble ionic iodinated. C. barium sulphate. D. gadolinium based.
Spinal nerves extending distal to the conus medullaris are collectively referred to as the
A) filum terminale. B) cauda equina. C) spinal meninges. D) motor neurons. E) denticulate ligaments.
This figure shows a posterior view of the right thigh. What muscle does number 1 indicate?
A. Semitendinosus B. Biceps femoris C. Adductor magnus D. Semimembranosus E. Gluteus maximus
All of these structures can be identified in the ventricles except:
A. trabeculae carneae. B. papillary muscles. C. pectinate muscles. D. chordae tendineae.