The lymph trunk that drains the thoracic cavity is the:
a. subclavian trunk
b. jugular trunk
c. bronchomediastinal
d. intestinal
Answer: c. bronchomediastinal
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Which of the bones below does not belong to the appendicular skeleton?
A. Clavicle B. Patella C. Ethmoid D. Ulna E. Fibula
List the spinal flexor muscles
A) splenius capitis and splenius cervicis B) spinalis cervicis and spinalis thoracis C) iliocostalis cervicis, iliocostalis thoracis, iliocostalis lumborum D) longus capitis, longus colli, quadratus lumborum E) semispinalis capitis, semispinalis cervicis, semispinalis thoracis, multifidus
The paired erectile bodies in the penis are the
A) membranous urethra. B) penile urethra. C) corpus spongiosum. D) corpora cavernosa. E) prepuce.
Epinephrine activates the cyclic AMP pathway in liver cells. In this example, epinephrine is a ____________ and cAMP is a _____________
A. ligand, receptor B. first messenger, hydrophobic hormone C. second messenger, ion channel D. first messenger, second messenger E. enzyme, second messenger