FREE AND STUDY GAMES ABOUT AP CHAP 11 EXAM

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FREE AND STUDY GAMES ABOUT AP CHAP 11 EXAM

QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -37 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: nerve cell adhesion molecules (N-CAMs)___

Answer:

are crucial for the development of neural connections Question 2: which of the following is an excitatory nerotransmitter secreted by motor neurons innervating skeletal muscles?

Answer:

acetylcholine Question 3: when a sensory neuron is excited by some form of energy the resulting graded potential is called an____

Answer:

generator potential Question 4: which of the following will occur when an excitatory postsynaptic potential (ESSP) is being generated on the dendritic membrane?

Answer:

a single type of channel will open, permitting simultaneous flow of soium and potassium.

Question 5: an inhibitory ostsynaptic potential (IPSP) is associated with____

Answer:

hyperpolarization Question 6: which ion channel opens in response to a change in membrane potential and participates in the generation and conduction of action potentials?

Answer:

volatage gated channel Question 7: an impulse from one nerve cell is communicated to another nerve cell via the___

Answer:

synapse

Question 8: which of the following is false or incorrect?

Answer:

a nerve impulse occurs if the excitatory and inhibitory effects are equal Question 9: which ofthe following describes the nervous system integrative function?

Answer:

analyzes sensory information, stores information, makes decisions

Question 10: which of the following is not a function of astrocytes?

Answer:

provide the defense for the CNS Question 11: which of the following is not a function of the autonomic nervous system?

Answer:

innervation of skeeletal muscle

Question 12: schwann cells are functionally similar to___

Answer:

oligodendrocytes

Question 13: the part of a neuron that conducts impulses away from its cell body is called a

Answer:

axon Question 14: collections of nerve cell bodies outside the central nervous system are called____.

Answer:

ganglia Question 15: neuroglia that control the chemical enviroment around neurons by buffering potassium and recapturing neurotransmitters are___

Answer:

astrocytes

Question 16: ependymal cells____

Answer:

help to circulate the cerebrospinal fluid Question 17: Neurons may be classified according to several characteristics. which ofthe following is correct?

Answer:

group cfibers are not capable of salatory conduction.

Question 18: which of the following is not true of graded potentials?

Answer:

they increase amplitude as they move away from the stimulus point

Question 19: what is the role of acetylcholinesterase?

Answer:

destroy ACh a breif period after its release by the axon endings

Question 20: select the correct statement about serial processing.

Answer:

spinal reflexes are an example of serial processing

Question 21: salatory conduction is made possible by___

Answer:

the myelin sheath Question 22: whici of the following is true about the movment of ions across excitable living membranes?

Answer:

some ions are prevented from moving down their concentration gradients by ATP driven pumps Question 23: what are ciliated CNS neuroglia that play an active role in moving the cerebrospinal flued called?

Answer:

ependymal cells Question 24: the substance release at axon terminals to propagate a nervous impulse is called

Answer:

neurotransmitter

Question 25: in what way does the interior surface of a cell membrane of a

reasting(nonconducting) neuron differ from the external enviroment? the interior is___

Answer:

negatively charged and contains less sodium Question 26: the period after an initial simulus when a neron is not sensitive to another stimulus is the___

Answer:

absolute refractor period Question 27: a neron that has as its primary function the job of connecting other neurons is called an___

Answer:

association neuron