This figure shows the spinal cord and spinal nerves. What structure does number 3 indicate?
A. Cervical plexus
B. Brachial plexus
C. Cervical enlargement
D. Lumbosacral enlargement
E. Sacral plexus
B
You might also like to view...
In order to maintain cellular homeostasis, one abundant type of exchange pump ejects ________ ions from the cell and imports ________ ions
A) potassium; calcium B) sodium; calcium C) potassium; sodium D) sodium; potassium E) calcium; sodium
Which class of nephron is crucially important in establishing a salt concentration gradient in the kidney so that urine concentration can be regulated?
A. Adrenal nephrons B. Juxtamedullary nephrons C. Cortical nephrons D. Intercalated nephrons
Which situation describes a feedforward mechanism?
A. Blood glucose returns toward normal an hour after a meal. B. The smell of rotten food on a plate triggers the vomit reflex. C. A drop in core body temperature triggers shivering. D. An increase in core body temperature stimulates sweating. E. Food in the stomach triggers the production of stomach acid.
Which of the following statements regarding the pancreas is true?
A. The head of the pancreas lies in the curvature of the ileum. B. The pancreatic duct carries both enzymes and hormones. C. The pancreatic acinar cells secrete digestive enzymes. D. The pancreas assists the stomach in the absorption of digested food. E. The pancreas digests sugar.