Posterior costal pleura extends caudally to the level of?

Posterior costal pleura extends caudally to the level of?

A. T10
B. 9th rib
C. 12th rib
D. L2

The anterior portion of the hard palate is part of which of the following bones?

A. Maxillary
B. Sphenoid
C. Ethmoid
D. Palatine

Which of the following is part of the nephron?

A. Efferent arteriole
B. Loop of Henle
C. Straight collecting tubule
D. Transverse collecting duct