psychology 441

subject Type Homework Help
subject Pages 7
subject Words 1326
subject Authors Dee Unglaub Silverthorn

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1) match the disease with the description.
a. addison's disease
b. cushing's disease
c. graves' disease
d. paget's disease
involves endocrine stimulation by antibodies
2) opening a na+ channel in a non-neural sensory receptor cell would cause that cell to
a) depolarize.
b) hyperpolarize.
c) generate an action potential.
d) decrease neurotransmitter release.
3) match the glial cell to the nervous system division in which it is found.
a. central nervous system
b. peripheral nervous system
oligodendrocytes
4) match the type of breathing with its description.
a. hyperpnea
b. hyperventilation
c. tachypnea
d. dyspnea
e. apnea
increased respiratory rate and/or volume due to increased metabolism
5) perfusion is
a) blood flow through an organ.
b) the driving force behind blood flow.
c) delivery of oxygen to cells.
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d) the connection between capillaries and other vessels.
e) movement of blood through a shunt.
6) the effector in a reflex is the
a) control center.
b) afferent neuron.
c) efferent neuron.
d) sensory receptor.
e) muscle or gland.
7) match the potential or potential change with the causative circumstances. assume ion
movements are net movements. answers may be used more than once or not at all.
a. resting membrane potential
b. hyperpolarization
c. depolarization
d. repolarization
e. more than one of the answers
na+ enters the cell
8) the h zone contains
a) thick filaments.
b) thin filaments only.
c) actin only.
d) thick and thin filaments.
9) sharp, localized (fast) pain is rapidly transmitted to the central nervous system along
a) large, unmyelinated c fibers.
b) small, myelinated a-delta fibers.
c) small, unmyelinated c fibers.
d) large, myelinated a-beta fibers.
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10) match the following with its description.
a. acetylcholine
b. norepinephrine
c. cholinergic nicotinic receptor
d. adrenergic receptor
e. cholinergic muscarinic receptor
parasympathetic tissue receptor
11) a home satellite dish receives signals from a satellite, allowing your television to
display tv shows. which part of a neuron is analogous to the satellite dish?
a) cell body
b) dendrites
c) axon
d) varicosities
e) collaterals
12) interneurons of the corticospinal tract synapse onto
a) visceral efferents.
b) somatic efferents.
c) interneurons of central pattern generators.
13) before the entire muscle can change length, the force generated by the muscle must
stretch the
a) eccentric contractile elements.
b) parallel elastic elements.
c) series elastic elements.
d) contractile elements.
14) what does the goldman-hodgkin-katz equation take into account that the nernst
equation does not?
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a) the electrical charges of the ions
b) the permeabilities of the ions
c) the solubilities of the ions
d) the sizes of the ions
e) the temperature
15) the values obtained when measuring blood pressure, such as 120/80,
a) exactly match the pressures inside the ventricle during systole and diastole.
b) reflect the pressure in the major arteries during ventricular systole and diastole.
c) are the same on both the pulmonary and systemic circuits.
d) exactly match the pressures inside the ventricle during systole and diastole and
reflect the pressure in the major arteries during ventricular systole and diastole.
e) all of the answers are correct.
16) match the following with its description.
a. acetylcholine
b. norepinephrine
c. cholinergic nicotinic receptor
d. adrenergic receptor
e. cholinergic muscarinic receptor
primary sympathetic neurotransmitter
17) an embryo with a genital tubercle, urethral folds, and urethral groove must be
a) under seven weeks old.
b) seven weeks old.
c) nine weeks old.
d) unable to determine the age.
18) competitive inhibitor
a. involved in phosphorylation
b. cannot be displaced by competition
c. bind to proteins away from the active site
d. reversible antagonist
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19) if a person's cornea is flatter than normal, this person is
a) presbyopic.
b) myopic.
c) hyperopic.
d) hypopic.
e) astigmatic.
20) sketch the graphs of plasma antibody concentration in a primary immune response
and a secondary immune response. explain the significance of the graphs.
21) in healthy adults, blood cell production occurs only in the ________.
22) explain why the voltage-gated na+ channels can close while the cell is depolarized
even though the depolarization was the initial stimulus for the channel opening. include
a discussion on refractory periods and explain why action potentials travel in only one
direction.
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23) describe the endocrine regulation of bone growth.
24) susie has hyperthyroidism. how might this affect atp production during exercise?
25) the rates of chemical reactions that occur in the human body are controlled by a
particular type of proteins called ________.
26) explain the difference between fick's law of diffusion and the flux of a molecule.

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