1) exercise hyperventilation results from signals from
a) muscle and joint mechanoreceptors and proprioceptors only.
b) the carotid body chemoreceptors only.
c) activating pulmonary stretch receptors only.
d) muscle and joint mechanoreceptors and proprioceptors and from the carotid body
chemoreceptors.
e) muscle and joint mechanoreceptors and proprioceptors, the carotid body
chemoreceptors, and activating pulmonary stretch receptors.
2) match the lung volume with its description.
a. tidal volume
b. inspiratory reserve volume
c. expiratory reserve volume
d. residual volume
the extra amount actively (forcibly) exhaled after a normal exhalation
3) neil accidentally ingests a substance that activates the complement cascade in the
absence of bound antibodies. this substance would
a) produce a fever.
b) cause extensive cellular damage.
c) increase circulation of lymph.
d) activate blood clotting.
e) prevent inflammation.
4) gated channels for sodium ions may include
a) mechanical gates, which respond to pressure.
b) chemical gates, which respond to ligands.
c) voltage gates, which respond to electrical signals.
d) all of the answers are correct.
e) none of the answers are correct.
5) amylases, the enzymes used to digest carbohydrates, are secreted by
a) salivary glands into the mouth only.
b) gastric glands into the stomach only.
c) the pancreas into the intestine only.
d) salivary glands into the mouth and gastric glands into the stomach.
e) salivary glands into the mouth and the pancreas into the intestine.
6) the enteric nervous system is a network of neurons that function in controlling
a) reproduction.
b) digestion.
c) excretion, particularly urination.
d) the skeletal system.
e) the endocrine system.
7) match the term with its description (answers may be used more than once).
a. ependymal cells
b. astrocytes
c. satellite cells
d. schwann cells
e. oligodendrocytes
f. microglia
highly branched cells that transfer nutrients between blood vessels and neurons
8) angiostatin and endostatin may be useful in the treatment of
a) myocardial infarction.
b) hypertension.
c) hypotension.
d) cancer.
e) vasovagal syncope.
9) match the lung disease to its description.
a. fibrotic lung disease
b. emphysema
c. asthma
d. pulmonary edema
decreased surface area for gas exchange
10) a sudden flash of bright light would cause
a) parasympathetic activation to contract the pupillary constrictor muscles.
b) sympathetic activation to contract the pupillary constrictor muscles.
c) parasympathetic activation to contract the pupillary dilator muscles.
d) sympathetic activation to contract the pupillary dilator muscles.
e) contraction of the ciliary muscle.
11) match the following terms with the correct descriptions.
a. lymphocytes
b. erythrocytes
c. eosinophils
d. platelets
e. neutrophils
a type of granulocyte, these have red granules.
12) aerobic metabolism of glucose
a) requires oxygen.
b) produces more atp per glucose than anaerobic pathways.
c) is the fastest way to produce glucose.
d) requires oxygen and produces more atp per glucose than anaerobic pathways.
13) which of the following statements about colony-stimulating factors (csfs) is false?
a) csfs are required to induce both cell division and cell maturation.
b) csfs regulate leukopoiesis.
c) csfs are made by epithelial cells.
d) csfs regulate leukopoiesis and csfs are made by epithelial cells.
14) what would the labels be for the graph axes?
15) the signal molecule ________ elicits the stronger response from beta2 receptors.
16) on the row of cells indicated below, match a-e to the terms in the following
question.
figure 3.1
basal lamina
17) graded potentials that increase the likelihood of an action potential bring the
________ closer to threshold.
18) based on what you know about the characteristics of membrane transport, explain
the results shown on the graph. each mixture consists of equal parts of glucose and
fructose at the indicated concentration.
19) ________ are cytokines that make cells resistant to viruses.