PSY 200 Module 2

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Which of the following statements is true of neurotransmitters?

"Loose" neurotransmitters are either broken down or reabsorbed by the axon terminal.

Which of the following pituitary hormones regulates the adrenal cortex?

Adrenocorticotrophic hormone

The pineal gland secretes prolactin.

False

The somatic nervous system controls activities such as heartbeat, respiration, digestion, and dilation of the pupils.

False

When a nerve impulse reaches a synapse, it jumps across the synaptic cleft like a spark because of its electrical nature.

False

Which of the following neurotransmitters is involved in emotional arousal and sleep?

Serotonin

Sacs called synaptic vesicles in the axon terminals contain neurotransmitters.

True

When children reared by adoptive parents are more similar to their natural parents in a particular trait, strong evidence exists for a genetic role in the development of that trait.

True

Emily suffers from insomnia. When she went to see a doctor, she was told that her sleeplessness was caused by the deficiency of a particular hormone. The doctor then gave her sleeping pills containing the deficient hormone. Emily has _____ deficiency.

melatonin

The _____ is the branch of the autonomic nervous system that is most active during processes that restore the body's reserves of energy.

parasympathetic division

Traits such as sociability and aggressiveness are thought to be__________.

polygenic

The__________is a bulge in the hindbrain that lies forward of the medulla and transmits information about body movement.

pons

Some researchers consider the__________to be the "executive center" of the brain, where decisions are made to keep information in working memory and to solve problems.

prefrontal cortex

A neuron has a(n) _____ that extends like a trunk from the cell body.

Axon

Which of the following diseases stems from food poisoning and prevents the release of acetylcholine?

Botulism

Will was driving down a road one night. Suddenly, a man appeared in front of his car. Will got scared and slammed the brakes hard, missing the man by inches. Which hormone was responsible for this reaction?

Epinephrine

Alia was just about to fall asleep when she heard something crash in the kitchen. The noise jolted her awake. This was due to the secretion of oxytocin.

False

Which of the following is a function of the reticular formation?

It is vital in the functions of attention, sleep, and arousal.

_____ is part of the maturation process that leads to a child's ability to crawl and walk during the first year.

Myelination

Epinephrine

adrenaline

Every time a neuron fires, it transmits an impulse of the same strength. This occurrence is known as the__________.

all-or-none principle


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