BIOD 152 FINALIZED QUESTIONS AND
ANSWERS 2026/2027
1. Collection of cell bodies in the PNS: Ganglia
2. This part of the autonomic NS increases digestion: parasympathetic NS
3. Ventral root of a nerve contains what type of neurons?: motor
4. Neuron part that conducts nerve impulse away from body: axon
5. An interneuron inside the spinal cord is part of the: central nervous system
6. Describe Synthesis & Storage of Neurotransmitters: Cell body manufactures NT's, they are
stored in the secretory vesicles at the end of the axon terminal
7. An efferent neuron carries info:: from the central to peripheral nervous system
8. location & function of astrocytes: Location: CNS
Function: regulation of chemical environment inside the CNS by forming a blood-brain barrier
9. phases of an action potential: depolarization, repolarization, after-hyperpolarization
10. at rest, a neuron plasma membrane is:: polarized
11. T/F: The sodium-potassium pump must remain in constant operation to
maintain the resting state: true
12. where does the NMJ terminate: on a muscle fiber
13. how is a message sent from one neuron to another?: Neurons send messages through
electrochemical signals
14. what neurotransmitter is found at the NMJ?: Acetylcholine
15. This part of a reflex is inside the CNS, made up of one or more synapses: in-
tegration center
16. T/F: Regulation of blood sugar by hormones is an example of a reflex: true
17. Muscle Spindle detects within a muscle: stretch
18. Flexor Withdrawal reflex involves what types of interneurons?: excitatory and
inhibitory
19. Superficial layer of the brain meninges: dura mater
20. fissure separates the cerebrum from the cerebellum: transverse
21. functions of the hypothalamus: regulates sleep, regulates water balance, links the nervous and
, endocrine system
22. largest portion of the brain: cerebrum
23. association area of the brain acts to: coordinate multiple sources of sensory information
24. T/F: the brainstem regulates breathing: false
25. where are the cerebellar peduncles located?: pons