Homework for psychology

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Question description

Genes are found on chromosomes and _____.

Question options:

b) contain threadlike double-strands of DNA molecules

c) increase during prenatal development

d) determine what traits you will possess

How many chromosomes is the human body composed of?

Question options:

b) 23

c) 22

d) 46

Which of the following chemicals is used by the body as both a hormone and neurotransmitter?

Question options:

b) serotonin

c) dopamine

d) epinephrine

Which neurotransmitter is involved in drug addiction?

Question options:

b) epinephrine

c) serotonin


_____ are suspected causes in disorders such as Alzheimer's disease and schizophrenia.

Question options:

b) Genetic abnormalities

c) Environmental factors

d) Hormonal abnormalities

_____________ such as Prozac mimic the effects of the neurotransmitter serotonin, whereas _________ include anti-psychotic drugs that block the action of the neurotransmitter dopamine.

Question options:

b) antagonist, toxin

c) agonist, toxin

d) antagonist, agonist

What part(s) of the cell receive incoming messages?

Question options:

b) axons and cell body

c) dendrites

d) dendrites and cell body

Neurotransmitters are _________.

Question options:

b) responsible for electrical communication within a cell

c) part of the power house of a cell

d) released from the terminal button of a cell


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