Please answer all questions. The numbers at the end of each question refer to the textbook page where the question topic is discussed.
 |
1 | |
Which type of effector is not under autonomic regulation? (435) |
| | A) | skeletal muscles |
| | B) | glands |
| | C) | smooth (visceral) muscles |
| | D) | cardiac muscle |
|
|
2 | |
Which of the following locations would not contain autonomic ganglia? (436) |
| | A) | head |
| | B) | axilla |
| | C) | neck |
| | D) | abdomen |
| | E) | parallel to the spinal cord |
|
|
3 | |
What happens when smooth muscle is denervated? (436) |
| | A) | It ceases to function. |
| | B) | It becomes less sensitive to subsequent stimulation by neurotransmitters. |
| | C) | It becomes more sensitive to subsequent stimulation by neurotransmitters. |
| | D) | It continues to function normally. |
|
|
4 | |
Which of the following statements is false concerning cardiac muscle? (436) |
| | A) | The fibers are striated with actin and myosin. |
| | B) | The fibers respond to a stimulus with an all-or-none contraction. |
| | C) | Intercalated discs are located between adjacent fibers. |
| | D) | The fibers require external stimulation in order to produce an action potential. |
| | E) | The fibers are short, branched, and interconnected. |
|
|
5 | |
Which of the following functional types of smooth muscle is paired incorrectly with its characteristic? (437) |
| | A) | single-unit, has numerous gap junctions |
| | B) | multiunit, requires nerve stimulation |
| | C) | multiunit, located in ureters |
| | D) | single-unit, displays intrinsic (myogenic) contraction |
|
|
6 | |
The preganglionic neurons of the sympathetic division of the autonomic nervous system originate in the (439) |
| | A) | midbrain and the medulla oblongata |
| | B) | medulla oblongata and the cervical vertebrae |
| | C) | entire spinal nerve complex |
| | D) | first cervical (C1) to the first lumbar (L1) vertebrae |
| | E) | first thoracic (T1) to the second lumbar (L2) vertebrae |
|
|
7 | |
The preganglionic neurons of the parasympathetic division of the autonomic nervous system originate in the (440) |
| | A) | entire spinal nerve complex |
| | B) | midbrain, pons, medulla oblongata, and the second through the fourth sacral spinal nerves (S2 to S4) |
| | C) | medulla oblongata and spinal nerves to the level of the first thoracic (T1) vertebra |
| | D) | first thoracic (T1) to the twelfth thoracic (T12) vertebrae |
|
|
8 | |
The arrector pili muscles have (445) |
| | A) | only sympathetic innervation |
| | B) | only parasympathetic innervation |
| | C) | both a and b |
| | D) | none of the above |
|
|
9 | |
The cranial nerves that contain preganglionic parasympathetic fibers are the (441) |
| | A) | oculomotor, trigeminal, trochlear, and facial nerves |
| | B) | facial, glossopharyngeal, vestibulocochlear, and vagus nerves |
| | C) | oculomotor, facial, glossopharyngeal, and vagus nerves |
| | D) | facial, trigeminal, vestibulocochlear, and vagus nerves |
|
|
10 | |
Which of the following is not a result of parasympathetic nerve stimulation? (445) |
| | A) | increased movement of the gastrointestinal tract |
| | B) | increased mucus secretion |
| | C) | constriction of the pupils |
| | D) | constriction of visceral blood vessels |
|
|
11 | |
Increased activity of the GI tract (445) |
| | A) | is the result of adrenergic transmission |
| | B) | results from the release of norepinephrine |
| | C) | is an example of a sympathetic response |
| | D) | is an example of a parasympathetic response |
| | E) | both a and d |
|
|
12 | |
The neurotransmitter that is released into the synapses by all preganglionic sympathetic and parasympathetic fibers is (445) |
| | A) | acetylcholine |
| | B) | norepinephrine |
| | C) | serotonin |
| | D) | glycine |
| | E) | none of the above |
|
|
13 | |
Since atropine blocks the muscarinic effects of acetylcholine, it can cause a (445) |
| | A) | dilation of the pupils |
| | B) | decrease in mucus secretion |
| | C) | decrease in movement of the GI tract |
| | D) | all of the above |
|
|
14 | |
Pupil-diameter determination is an example of (446) |
| | A) | cooperative effects |
| | B) | antagonistic effects |
| | C) | a graded response |
| | D) | complementary effects |
|
|
15 | |
The actions of the sympathetic and parasympathetic nerves are cooperative in the (446) |
| | A) | urinary bladder |
| | B) | heart |
| | C) | salivary glands |
| | D) | iris |
|
|
16 | |
Sweat-secretion determination is an example of (447) |
| | A) | cooperative effects |
| | B) | antagonistic effects |
| | C) | complementary effects |
| | D) | sympathetic innervation only |
|
|
17 | |
The structure of the brain that has autonomic influence over the respiratory and the reproductive systems is the (448) |
| | A) | pituitary gland |
| | B) | hypothalamus |
| | C) | heart and baroreceptors |
| | D) | pons |
| | E) | medulla oblongata |
|
|
18 | |
Which of the following statements is false concerning the hypothalamus? (449) |
| | A) | It can evoke the autonomic responses characteristic of aggression and sexual behavior. |
| | B) | It elicits only visceral autonomic activities. |
| | C) | It integrates its autonomic activities with those of the medulla oblongata. |
| | D) | It regulates some of the autonomic functions of the pituitary gland. |
|
|
19 | |
The limbic system (449) |
| | A) | passes through the midbrain and brain stem |
| | B) | is the brain center for basic emotional drives |
| | C) | functions totally at the conscious level |
| | D) | monitors the blood hormone levels of the autonomic nervous system |
|
|
20 | |
Which of the following substances is not secreted by the adrenal medulla? (440) |
| | A) | acetylcholine |
| | B) | epinephrine |
| | C) | norepinephrine |
|
|
21 | |
Which of the following statements regarding the sympathetic division is incorrect? (440) |
| | A) | The preganglionic neurons originate from the craniosacral portions of the spinal cord. |
| | B) | The peripheral ganglia are located in or near effector organs. |
| | C) | The postganglionic neurons are located throughout the body. |
| | D) | It usually features mass discharge of the system as a whole. |
|
|
22 | |
Which of the following neurons does not release acetylcholine? (444) |
| | A) | sympathetic preganglionic neurons |
| | B) | parasympathetic preganglionic neurons |
| | C) | sympathetic postganglionic neurons |
| | D) | parasympathetic postganglionic neurons |
| | E) | somatic motor neurons |
|
|
23 | |
Which of the following organs is not part of the limbic system? (449) |
| | A) | cingulate gyrus |
| | B) | hypothalamus |
| | C) | fornix |
| | D) | hippocampus |
| | E) | all of the above are part of the limbic system |
|
2002 McGraw-Hill Higher Education