Which autonomic plexus innervates viscera within the pelvic region?
A. Esophageal plexus
B. Pulmonary plexus
C. Abdominal aortic plexus
D. Hypogastric plexus
E. Cardiac plexus
D
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Involuntary cardiac muscle fibers on the heart are innervated by
A) preganglionic fibers. B) visceral motor fibers. C) sensoriganglionic fibers. D) somatic motor fibers. E) All of the answers are correct.
Which muscle abducts and flexes the thigh?
A. Biceps femoris B. Quadriceps femoris C. Tensor fasciae latae D. Gracilis E. Sartorius
When they leave the red marrow, pre-T-lymphocytes have
A. only the CD4 protein. B. only the CD8 protein. C. both the CD4 and CD8 proteins. D. neither the CD4 nor CD8 protein. E. either the CD4 or CD8 protein.
Choose the incorrect statement regarding bile.
A) Bile is both an excretory product and a digestive secretion. B) Bile functions to emulsify fats. C) Bile functions to carry bilirubin formed from breakdown of worn-out RBCs. D) Bile contains enzymes for digestion.