1) soluble in water
a. fibrous
b. globular
2) which of the following is a common feature of soluble proteins?
a) structural support
b) noncovalent interaction
c) receptor binding
d) chemical modulation
e) all of the answers are correct.
3) caffeine and related stimulants exert their effects by
a) mimicking a specific neurotransmitter.
b) inhibiting a specific neurotransmitter.
c) mimicking a specific neuromodulator.
d) inhibiting a specific neuromodulator.
4) the brain can use ________ for energy.
a) only glucose
b) only fats
c) only ketones
d) only lactate
e) both glucose and ketones
5) the structure that connects the two cerebral hemispheres is the
a) basal nuclei.
b) suprachiasmatic nucleus.
c) corpus callosum.
d) hippocampus.
e) gray “h.”
6) which of the following is not a known drug effect on synaptic function?
a) interfere with neurotransmitter synthesis
b) alter the rate of neurotransmitter release
c) prevent neurotransmitter inactivation
d) prevent neurotransmitter binding to receptors
e) change the type of neurotransmitter found in the synaptic vesicle
7) match the following with its description.
a. acetylcholine
b. norepinephrine
c. cholinergic nicotinic receptor
d. adrenergic receptor
e. cholinergic muscarinic receptor
released by all autonomic preganglionic neurons
8) according to the second law of thermodynamics,
a) the amount of entropy in living systems increases without the input of energy.
b) entropy decreases in living systems that are not receiving energy.
c) energy can be converted, but not be created nor destroyed.
d) the total amount of energy in the universe never changes.
9) the process of forming mrna is called
a) replication.
b) transcription.
c) translation.
d) ribolation.
e) protein synthesis.
10) match the lung disease to its description.
a. fibrotic lung disease
b. emphysema
c. asthma
d. pulmonary edema
increased diffusion distance
11) each of the following is an example of a nonmembranous organelle except one.
identify the exception.
a) lysosome
b) cilia
c) centriole
d) ribosome
e) cytoskeleton
12) kidneys regulate
a) water loss only.
b) water gain only.
c) both water loss and gain.
13) you are designing a study to assess the effects of a new treatment for hypertension.
what ethical considerations would you employ when monitoring your progress?
14) bile salts aid in the digestion of fats by ________ large fat droplets.
15) movement from the extracellular fluid into the lumen of an organ
16) a pump that helps maintain an electrical gradient, such as the na+-k+-atpase is a(n)
________ pump.
17) the peptide ________ may play a role in the positive feedback of estrogen on gnrh
secretion.
18) drowning is often the introduction of outside water into the alveoli, yet some water
is normally present in alveoli. why is water normally present in the alveoli? what is
present in alveolar fluid, besides water, that aids in respiration? what properties of water
are detrimental to respiration? what causes drowning? while extremely rare, there have
even been documented cases of people walking away from recreational swimming only
to die later, on dry land, as a result of drowning (termed “delayed” or ‘secondary”
drowning). propose an explanation for delayed drowning.
19) what is the ph of a 0.005 m hcl solution? assume complete dissociation.
20) draw a map of steroid hormone synthesis.