Unit 3A Psych Progress Tests

The gland that regulates body growth is the A. adrenal B. thyroid C. hypothalamus D. pituitary

D. pituitary

Dr. Hernandez is studying neurotransmitter abnormalities in depressed patients. She would most likely describe herself as a A. personality psychologist B. phrenologist C. psychoanalyst D. biological psychologist

D. biological psychologist

Which is the correct sequence in the transmission of a neural impulse? A. axon, dendrite, cell body, synapse B. dendrite, axon, cell body, synapse C. synapse, axon, dendrite, cell body D. dendrite, cell body, axon, synapse

D. dendrite, cell body, axon, synapse

Epinephrine and norepinephrine are _________ that are released by the ________ gland. A. neurotransmitters; pituitary B. hormones; pituitary C. neurotransmitters; thyroid D. hormones; adrenal

D. hormones; adrenal

In a resting state, the axon is A. depolarized, with mostly negatively charged ions outside and positively charged ions inside B. depolarized, with mostly positively charged ions outside, and negatively charged ions inside C. polarized, with mostly negatively charged ions outside and positively charged ions inside D. polarized, with mostly positively charged ions outside, and negatively charged ions inside

D. polarized, with mostly positively charged ions outside, and negatively charged ions inside

I am a relatively fast-acting chemical messenger that affects mood, hunger, sleep, and arousal. What am I? A. acetylcholine B. dopamine C. norepinephrine D. serotonin

D. serotonin

A biological psychologist would be more likely to study A. how you learn to express emotions B. how to help people overcome emotional disorders C. life-span changes in the expression of emotion D. the chemical changes that accompany emotions

D. the chemical changes that accompany emotions

I am a relatively slow-acting (but long-lasting) chemical messenger carried throughout the body by the bloodstream. What am I? A. a hormone B. a neurotransmitter C. acetylcholine D. dopamine

A. a hormone

In the brain, learning occurs as experience strengthens certain connections in cell work groups called A. action potentials B. neural networks C. endocrine systems D. dendrites

B. neural networks

Which of the following was a major problem with phrenology? A. it was "ahead of its time" and no one believed it could be true B. the brain is not neatly organized into structures that correspond to our categories of behavior C. the brains of humans and animals are much less similar than the theory implied D. all of these were problems with phrenology

B. the brain is not neatly organized into structures that correspond to our categories of behavior

The axons of certain neurons are covered by a layer of fatty tissue that helps speed neural transmission. This tissue is A. dopamine B. the myelin sheath C. acetylcholine D. an endorphin

B. the myelin sheath

Chemical messengers produced by endocrine glands are called A. agonists B. neurotransmitters C. hormones D. enzymes

C. hormones

Several shy neurons send an inhibitory message to neighboring neuron Joni. At the same time, a larger group of party-going neurons sends Joni excitatory messages. What will Joni do? A. fire, assuming that her threshold has been reached B. not fire, even if her threshold has been reached C. enter a resting potential D. become hyperpolarized

A. fire, assuming that her threshold has been reached

The myelin sheath that is on some neurons A. increases the speed of neural transmission B. slows neural transmission C. regulates the release of neurotransmitters D. prevents positive ions from passing through the membrane

A. increases the speed of neural transmission

You are able to pull your hand quickly away from hot water before pain is felt because A. movement of the hand is a reflex that involves intervention of the spinal cord only B. movement of the hand does not require intervention by the central nervous system C. the brain reacts quickly to prevent severe injury D. the autonomic division of the peripheral nervous system intervenes to speed contraction of the muscles of the hand

A. movement of the hand is a reflex that involves intervention of the spinal cord only

A bodybuilder friend suddenly seems to have grown several inches in height. You suspect that your friend's growth spurt has occurred because he has been using drugs that affect the A. pituitary gland B. parathyroids C. adrenal glands D. pancreas

A. pituitary gland

When Sandy scalded her toe in a tub of hot water, the pain message was carried to her spinal cord by the _________ nervous system. A. somatic B. sympathetic C. parasympathetic D. central

A. somatic

The pain of heroin withdrawal may be attributable to the fact that A. under the influence of heroin the brain ceases production of endorphins B. under the influence of heroin the brain ceases production of all neurotransmitters C. during heroin withdrawal the brain's production of all neurotransmitters is greatly increased D. heroin destroys endorphin receptors in the brain

A. under the influence of heroin the brain ceases production of endorphins

The neurotransmitter acetylcholine (ACh.) is most likely to be found A. at the junction between sensory neurons and muscle fibers B. at the junction between motor neurons and muscle fibers C. at junctions between interneurons D. in all of these locations

B. at the junction between motor neurons and muscle fibers

Following Jayshree's near-fatal car accident, her physician noted that the pupillary reflex of her eyes was abnormal. This may indicate that Jayshree's _______ was damaged in the accident. A. myelin sheath B. autonomic nervous system C. pituitary gland D. somatic nervous system

B. autonomic nervous system

Heartbeat, digestion, and other self-regulating bodily functions are governed by the A. voluntary nervous system B. autonomic nervous system C. sympathetic division of the autonomic nervous system D. somatic nervous system

B. autonomic nervous system

Melissa has just completed running a marathon. She is so elated that she feels little fatigue or discomfort. Her lack of pain is probably the result of the release of A. ACh. B. endorphins C. dopamine D. norepinephrine

B. endorphins

Since Malcolm has been taking a drug prescribed by his doctor, he no longer enjoys the little pleasures of life, such as eating and drinking. His doctor explains that this is because the drug A. triggers release of dopamine B. inhibits release of dopamine C. triggers release of ACh. D. inhibits release of ACh.

B. inhibits release of dopamine

The effect of a drug that is an agonist is to A. cause the brain to stop producing certain neurotransmitters B. mimic a particular environment C. block a particular neurotransmitter D. disrupt a neuron's all-or-none firing pattern

B. mimic a particular environment

Voluntary movements, such as writing with a pencil, are directed by the A. sympathetic nervous system B. somatic nervous system C. parasympathetic nervous system D. autonomic nervous system

B. somatic nervous system

Your brother has been taking prescription medicine and experiencing a number of unpleasant side effects, including unusually rapid heartbeat and excessive perspiration. It is likely that the medicine is exaggerating activity in the A. central nervous system B. sympathetic nervous system C. parasympathetic nervous system D. somatic nervous system

B. sympathetic nervous system

The effect of a drug that is an antagonist is to A. cause the brain to stop producing certain neurotransmitters B. mimic a particular neurotransmitter C. block a particular neurotransmitter D. disrupt a neuron's all-or-none firing pattern

C. block a particular neurotransmitter

A neuron will generate action potentials when it A. remains below its threshold B. receives an excitatory input C. receives more excitatory than inhibitory inputs D. is stimulated by a neurotransmitter

C. receives more excitatory than inhibitory inputs

Which of the following are governed by the simplest neural pathways? A. emotions B. physiological drives, such as hunger C. reflexes D. movements, such as walking

C. reflexes

Which is the correct sequence in the transmission of a simple reflex? A. sensory neuron, interneuron, sensory neuron B. interneuron, motor neuron, sensory neuron C. sensory neuron, interneuron, motor neuron D. interneuron, sensory neuron, motor neuron

C. sensory neuron, interneuron, motor neuron

I am a relatively fast-acting chemical messenger that influences movement, learning, attention, and emotion. What am I? A. dopamine B. a hormone C. acetylcholine D. glutamate

C. acetylcholine

A strong stimulus can increase the A. speed of the impulse the neurons fire B. intensity of the impulse the neurons fire C. number of times the neurons fire D. threshold that must be reached before the neurons fire

C. number of times the neurons fire