A transverse incision through the rectus abdominis muscle and both layers of the rectus sheath at the arcuate line would transect the:
A) inferior epigastric artery.
B) thoracoepigastric vein.
C) first lumbar artery.
D) ilioinguinal nerve.
E) T12 intercostal nerve.
Ans: A
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This figure shows the muscles of facial expression. What muscle does number 2 indicate?
A. Nasalis B. Procerus C. Epicranius D. Orbicularis oculi E. Platysma
Answer the following questions true (T) or false (F)
1. Nuclear pores connect the cytoplasm with the nucleoplasm and allow substances to move between the two areas. 2. Sister chromatids of a chromosome are joined at a region called the centrosome. 3. To make a protein, DNA first is replicated into RNA, and then RNA is transcribed into amino acids.
The anterior root of a spinal nerve contains
A) axons of motor neurons. B) axons of sensory neurons. C) cell bodies of motor neurons. D) cell bodies of sensory neurons. E) interneurons.
Large veins, medium veins, and venules have valves to prevent the backflow of blood.
Answer the following statement true (T) or false (F)