Down syndrome is caused by
A. nondisjunction or a translocation.
B. a missing autosome.
C. the karyotype XXY.
D. an extra Y chromosome.
Answer: A
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What are the attachments of the fibularis tertius?
a. Proximal anterior fibula to the dorsal surface of toes two through five b. Distal anterior fibula to the fifth metatarsal c. Proximal anterior tibia to the medial foot d. Middle anterior fibula to the dorsal surface of the big toe (toe number one)
The figure illustrates changes in the membrane potential during an action potential. What does "E" represent?
A. Local potential B. Depolarization C. Repolarization D. Afterpotential E. Threshold
A person who gets hit on the back of the head might suffer injury to which of these bones?
A. occipital B. temporal C. nasal D. zygomatic E. sphenoid
Estrogen stimulates duct development in the breasts
Indicate whether the statement is true or false