One motor neuron and all the muscle fibers it innervates constitute a __________ unit.
Fill in the blank(s) with the appropriate word(s).
motor
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In adipose tissue, lipoprotein lipase:
a. Forms triacylglycerol from circulating free fatty acids and glycerol b. Is activated in response to norepinephrine released from synapses upon fat cells c. Is synthesized by fat cells and delivered to capillary endothelial cells d. Signals fat cells to form endocytic vesicles for the ingestion of fat e. Travels from fat depots to the hypothalamus and functions as a signal of adiposity
Which of the following is the correct sequence of structures in a reflex arc?
A. Receptor, effector, interneuron, sensory nerve, motor nerve B. Effector, motor nerve, sensory nerve, interneuron, receptor C. Receptor, sensory nerve, interneuron, motor nerve, effector D. Sensory nerve, interneuron, receptor, motor nerve, effector
Which of the abdominal muscles has its superior attachment on the xiphoid process of the sternum?
A. Internal oblique B. External oblique C. Rectus abdominis D. Transversus abdominis E. None of these choices is correct.
A typical spinal cord has how many pairs of spinal nerves, and where does the spinal cord end?
A) 8 pairs; cervical vertebra 8 B) 20 pairs; thoracic vertebra 12 C) 25 pairs; lumbar vertebra 1 or 2 D) 30 pairs; lumbar vertebra 4 or 5 E) 31 pairs; lumbar vertebra 1 or 2