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1) match the following terms with the correct descriptions.
a. lymphocytes
b. erythrocytes
c. eosinophils
d. platelets
e. neutrophils
these are fragments of a megakaryocyte.
2) match the response to the description.
a. increase
b. decrease
c. no change
plasma glucose concentration 30 minutes after glucose ingestion in diabetics who
exercise, compared to those who don't
3) the airway between the larynx and the primary bronchi is the
a) pharynx.
b) bronchiole.
c) trachea.
d) alveolar duct.
e) laryngeal duct.
4) which type of connective tissue does not fit with the typical characteristic regarding
relative cell density?
a) cartilage
b) bone
c) adipose
d) blood
e) dense
5) reactive hyperemia is
a) lack of blood flow due to an allergic reaction.
b) increased blood flow following a period of reduced blood flow.
c) increased blood pressure after stress.
d) reflex contraction of smooth muscle in response to stress.
e) none of the answers are correct.
6) if oxygen is not available for aerobic atp production, ________ builds up on muscles.
a) glucose
b) atp
c) pyruvic acid
d) lactic acid
7) inhibitory postsynaptic potentials (ipsps )
a) result in local depolarizations.
b) result in local hyperpolarizations.
c) increase membrane permeability to sodium ions.
d) prevent the escape of potassium ions.
e) prevent the escape of calcium ions.
8) the structure that carries sperm from the epididymis to the urethra is the
a) ductus deferens.
b) rete testis.
c) seminal vesicle.
d) ejaculatory duct.
e) corpus cavernosum.
9) the tac sequence of dna is the ________ of a coding sequence that is preceded by the
________ that regulates transcription.
a) start, promoter region
b) start, intron
c) stop, promoter region
d) stop, intron
10) the lower respiratory tract includes
a) all of the bronchial branches.
b) only the lungs.
c) only the trachea.
d) all of the bronchial branches and the lungs
e) all of the bronchial branches, the lungs, and the trachea.
11) amino acids are carried to the ribosomes to be incorporated into polypeptide chains
by ________.
12) design a flow chart or concept map to summarize the information in the text under
the heading "cell-to-cell communication." this chart should make clear the four basic
methods of cell-to-cell communication, and the relevance of and distinction between
paracrine, autocrine, neurocrine, and cytokine chemicals.
13) describe the progression of a fertilized egg, from totipotent cell through pluripotent
and multipotent stem cells. how might stem cells be of therapeutic value? what is
plasticity?
14) aside from the obvious, describe the differences between slow and fast pain.
15) damien, in training for the boston marathon, finds his plasma cholesterol
concentration is somewhat elevated. what other test results should damien review
before changing his training regime or diet?
16) your swimming buddy mark jumped into a pool parallel to the water surface. when
he stood up, he yelled "ouch" and you noticed that the skin on his chest and belly
looked red and irritated. how would you describe the properties of water to explain to
mark why this happened? why doesn't it hurt when pool water is penetrated
perpendicular to the surface, as with a hands-first or feet-first dive?
17) what nutrients are required for red blood cell synthesis and why? what is blood
doping? how is it detected? how is blood doping different from simply good nutrition?
18) which tissues contain both cholinergic and adrenergic receptors, and how does this
relate to their autonomic control?
19) what normally stops hormone action, and why is this important?
20) explain the two reasons why graded potentials lose strength as they move through
the cell. why don't action potentials lose strength?
