A Child Ingested an Organophosphate Poison Used to Kill Insects

question 163

Multiple Choice

A child ingested an organophosphate poison used to kill insects. Soon the child's muscles began spastic contractions. Predict what occurred at the synaptic cleft.

• A) Decreased release of acetylcholine from presynaptic neurons
• B) Increased accumulation of acetylcholine in the synapse
• C) Binding of the poison to acetylcholine receptors leading to inhibition of stimulation
• D) Increased breakdown of acetylcholine in the synaptic cleft
• E) Both increased accumulation of acetylcholine in the synapse and increased breakdown of acetylcholine in the synaptic cleft are correct.

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Definitions:

SRS

Simple Random Sampling, a method of selecting a sample in which each member of the population has an equal chance of being included.

Null Hypothesis

A statistical hypothesis that assumes no significant difference or effect exists between certain states or parameters in a population.

Significance Level

A threshold in hypothesis testing that determines the probability of rejecting the null hypothesis when it is actually true.

SRS

An acronym for Simple Random Sampling, a statistical method where each member of a population has an equal probability of being included in the sample.