Embryonic heartbeat must be seen in living embryo when CRL measures >4 mm.

Time between 4 and 10 weeks of gestation often considered _________ period.

Identify the letter “B” in the following image:

Which of the following statements are true with respect to the image below: The oblique cervical spine is shown The zygapophyseal articulations are demonstrated All seven cervical vertebrae are visualized The esophagus is seen filled with air

The thoracic zygapophyseal joints are demonstrated with the 

The letter “B” in the figure below indicates:

The average difference in height from the posterior end of the rib to the anterior end of the rib is approximately 3-5 cm.

Which of the following are considered true ribs? Ribs 1-6 Ribs 7-10 Ribs 11 & 12

Which of the following structures of the sacrum is considered the most inferior?

Which of the following positions will BEST demonstrate the right zygapophyseal articulations of the lumbar vertebrae?