Which of the following is not a cardiovascular modification present during fetal development?
A. ligamentum arteriosum
B. foramen ovale
C. ductus venosus
D. ductus arteriosus
E. They are all present in the fetus.
Answer: A. ligamentum arteriosum
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If an oral surgeon were to slip and cut the hypoglossal nerve, which of the following actions would be affected? Select all that apply.
A. Closing off the oral cavity from the pharynx B. Depressing the tongue C. Moving the tongue side to side D. Moving the tongue up and back
Teratogens usually do not cause congenital anomalies.
Answer the following statement true (T) or false (F)
According to the sliding filament mechanism of muscle contraction, the muscle fibers of one motor unit slide in closer together between the muscle fibers of adjacent motor units
Indicate whether the statement is true or false
Which of these will eliminate synaptic delay?
A. Increasing ATP availability B. Increasing postsynaptic receptors C. Using an electrical synapse D. Providing more vesicles