Ans: d. the inferior colliculus
If you are reading and you unexpectedly hear a loud noise, your head generally snaps up. Which portion of the midbrain is most likely to be responsible for this reflexive motion?
a. the red nucleus
b. the superior colliculus
c. the substantia nigra
d. the inferior colliculus
Anatomy & Physiology
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Stepping on a piece of glass would most likely invoke a ________ reflex.
A. stretch B. Golgi tendon C. pain D. withdrawal E. motor
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What structure carries deoxygenated blood from the fetus to the placenta/mother?
A) Umbilical vein B) Ductus arteriosus C) Umbilical artery D) Foramen ovale
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Two or more atoms of the SAME element combine to form a(n) ________.
A. compound B. molecule C. ion D. isotope
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