1、1山东大学医学院(2005 —— 2006 学年第二学期) 2003 级 医学七年制 药理学期末考试试题(A 卷) 二、选择题:( A 型每题 0.5 分,X 型每题 1分, 共 50 分) Type A choice questions (only one answer is correct) 1. Which of the following is classified as belong to the G protein coupling receptors? A. GABAA receptor B. badrenergic receptor C. insulin re
2、ceptor D. nicotinic II receptor E. hydrocortisone receptor 2. Which of the following is unlikely to be associated with oral drug administration of an entericcoated dosage form? A. irritation to the gastric mucosa with nausea and vomiting B. destruction of the drug by gastric acid or digestive
3、 enzymes C. unpleasant taste of the drug D. formation of nonabsorbable drugfood complexes E. variability in absorption caused by fluctuations in gastric emptying time 3. Which of the following compounds will be absorbed to the least extent in the stomach? A. ampicillin (pKa=2.5) B. aspirin (p
4、Ka=3.0) C. warfarin (pKa=5.0) D. Phenobarbital (pKa=7.4) E. propranolol (pKa=9.4) 4. Which of the following terms is most likely to be associated with “a rapid reduction in the effect of a given dose of a drug after only one or two doses”? A. supersensitivity B. tachyphylaxis C. tolerance D
5、 hyposensitivity E. anaphylaxis 5. A weak acidic drug with 4.4 of pKa, if the stomach juice pH is 1.4, plasma pH is 7.4, when the distribution balance is reached, the drug concentration ratio between plasma and stomach juice is A. 100 B. 0.001 C. 1000 D. 10000 E. 0.01 6. In this graph,dru
6、gs A,B and C are analogs,then A. A has a greater potency than B B. A has a greater efficacy than C C. B has less potency than C D. A has a greater potency than C E. B has a greater efficacy than C 7. Aspirin is a weak acid with 3.5 of pKa, what percentage of lipidsoluble form will be in the
7、stomach juice with 2.5 of pH? A. 0.99% B. 9% C. 9.09% D. 90.9% E. 99.9% 8. The contractile effect of various doses of norepinephrine (NE) (X) alone on vascular smooth muscle is represented in the figure below. When combined with an antagonist (IC or INC), a shift in the doseresponse curve o
8、ccurs. The curve labeled X+INC would mostly likely occur when vascular smooth muscle is treated with NE in the presen A. terazosin B. phentolamine C. labetalol D. phenoxybenzamine E. prazosin B A C 效 应 Log 剂量 4 9. The reversible cholinesterase inhibitor indicated in the treatment of Alz
9、heimer’s disease is A. tacrine B. edrophonium C. neostigmine D. pyridostigmine E. ambenonium 10. A predictably dangerous side effect of nadolol that constitutes a contraindication to its clinical use in susceptible patients is the induction of A. hypertension B. cardiac arrhythmia C. asthm
10、atic attacks D. respiratory depression E. hypersensitivity 11. Epinephrine may be mixed with certain anesthetics, such as procaine, in order to A. stimulate local wound repair B. promote hemostasis C. enhance their interaction with neural membranes and their ability to depress nerve conductio
11、n D. retard their systemic absorption E. facilitate their distribution along nerves 12. A 58yearold male with angina is treated with atenolol. Select the mechanism of action of atenolol A. aadrenergic agonist B. aadrenergic antagonist C. badrenergic agonist D. badrenergic antagonist E.
12、 mixed a and b antagonist 13. A male patient is brought to the emergency department following ingestion of an unknown substance. He is found to have an elevated temperature, hot and flushed skin, dilated pupils, and tachycardia. Of the following, which would most likely cause these findings? 5
13、A. propranolol B. tolazoline C. prazosin D. donepezil E. atropine 14. A 65yearold male has a blood pressure of 170/105mmHg. Which of the following would be effective in lowering this patient’s blood pressure? A. terbutaline B. dobutamine C. pancuronium D. prazosin E. scopolamine 15. Whi
14、ch of the following can be used in shock for increasing cardiac output and renal blood flow? A. norepinephrine B. epinephrine C. dopamine D. phenylephrine E. methoxamine 16. All of the following statements are related with succinylcholine EXCEPT A. have muscle fasciculation before muscle rel
15、axation B. have no ganglionic blocking actions at therapeutic dose C. can be antagonized by neostigmine D. elevate blood potassium concentration E. assistant agents of anesthetics 17. The agent which is effective for prostatic hyperplasia but has no effect on blood pressure is A. terazosin B.
16、 tamsulosin C. phenoxybenzamine D. regitine E. prazosin 18. Which of the following statements is correct? A. Diazepam induce the drug metabolizing enzymes. B. All benzodiazepines show antiepileptic actions. C. All benzodiazepines have sedative effects. D. Benzodiazepines readily produce gene
17、ral anesthesia. E. Benzodiazepines directly open chloride channels. 19. Which of the following statements is correct? A. Chlorpromazine is indicated in treating the nausea of levodopa treatment. B. Vitamin B6 increases the effectiveness of levodopa. 6 C. Administration of dopamine is an effect
18、ive treatment of Parkinson’s disease. D. Levodopainduced nausea is reduced by carbidopa. E. Nonspecific MAOinhibitors are a useful adjunct to levodopa therapy. 20. Which of the following is common to the tricyclic antidepressants and MAO inhibitors? A. They can produce sedation. B. They produ
19、ce physical dependence. C. They show strong interaction with certain foods. D. They can produce postural hypotension. E. They decrease availability of epinephrine in the synaptic cleft 21. The antipsychotic drugs: A. are equally effective against the positive and negative symptoms of schizophre
20、nia B. can cause blurred vision, urinary retention and other signs of muscarinic blockade C. bind selectively to D2dopaminergic receptors. D. have antiparkinsonism effects similar to levodopa. E. have a rapid onset of antipsychotic action. 22. All of the following are observed in patients taki
21、ng neuroleptic agents EXCEPT: A. sexual dysfunction. B. bronchial asthma C. altered endocrine function. D. constipation. E. orthostatic hypotension 23. Which of the following statements about morphine is INCORRECT? A. It is used therapeutically to relieve pain caused by severe head injury. B
22、 Its withdrawal symptoms can be relieved by methadone. C. It causes constipation. D. It is most effective by parenteral administration. E. It rapidly enters many body tissues, including the fetus of a pregnant woman. 24. Which of the following statements concerning phenytoin is INCORRECT? A. c
23、auses less sedation than phenobarbital. B. causes gingival hyperplasia. C. may cause megaloblastic anemia D. is excreted unchanged in the urine. E. The plasma halflife increases as the dose is increased. 25. Which of the following drugs is contraindicated in the patients with epilepsy? A. Phe
24、nobarbital B. imipramine C. digoxin D. chlorpromazine E. aspirin 26. The agent which is effective for various epilepsy is 7 A. diazepam B. sodium phenytoin C. sodium valproate D. Phenobarbital E. ethosuximide 27. All of the following produce a significant decrease in peripheral resistanc
25、e EXCEPT: A. chronic administration of diuretics B. hydralazine C. ACE inhibitors D. βR blockers E. calcium channel blockers 28. Which of the following hypertensive patients is most suitble for primary therapy with hydrochlorothiazide? A. patients with gout B. patients with hyperlipidemia
26、 C. young hypertensive patients with rapid resting heart rate D. patients with impaired renal function E. elderly patients 29. Regarding antihypertensive drugs, which of the following statements is WRONG? A. Hydrochlorothiazide can increase activity of rennin B. Propranolol can decrease secreti
27、on of rennin C. Sodium nitroprusside lowers BP rapidly by releasing NO. D. Clonidine stimulates α2receptor and imidazoline receptor E. Diuretics decreased BP mainly by increasing water and sodium excretion from the kidneys. 30. Which of the following drugs occurs orthostatic hypotension most f
28、requently in first use: A. clonidine B. nifedipine C. propranolol D. enalapril E. prazosin 31. The reason that digoxin can reduce the ventricular rate of atrial fibrillation patient is: A. decreasing automaticity of ventricles B. decreasing automaticity of atria C. reducing the conduction o
29、f AV node D. improving cardiac ischemia E. shortening the effective refractory period of atria 32. All of the following measures can be used in the treatment of digoxininduced arrhythmia EXCEPT A. stopping digoxin administration 8 B. diuretic agents such as furosemide are used to promote th
30、e excretion of digoxin C. phenytoin administration D. atropine administration E. lidocaine administration 33. Which of the following effects of digoxin can NOT be seen in failure heart? A. slowing sinus rhythm B. increasing the oxygen consumption of myocardia C. increasing the cardiac output
31、 D. increasing the cardiac contractility E. shortening atrial ERP 34. A 70 year old female is treated with sublingual nitroglycerin for her occasional bouts of angina. Which of the following is involved in the action of nitroglycerin? A. αadrenergic activity B. phosphodiesterase activity C.
32、phosphorylation of light chains of myosin D. norepinephrine release E. cGMP increased 35. The therapeutic effect of β adrenergic receptor blockers such as propranolol in angina pectoris is believed to be primarily the result of A. reduced production of catecholamines B. dilation of the corona
33、ry vasculature C. decreased requirement for myocardial oxygen D. increased peripheral resistance E. increased sensitivity to catecholamines 36. A 69yearold male with angina develops severe constipation following treatment with A. nitroglycerin B. gemfibrozil(吉非贝齐) C. propranolol D. captopri
34、l E. verapamil 37. Which of the following drugs has relatively few electrophysiologic effects on normal myocardial tissue but suppresses the arrhythmogenic tendencies of ischemic myocardial tissue? A. Verapamil B. Lidocaine C. Quinidine D. Propranolol E. Procainamide 38. The firstline dru
35、g for treating acute attack of reentrant supraventricular tachycardia is A. adenosine 9 B. lidocaine C. quinidine D. digoxin E. procainamide 39. Which of the following drugs is NOT suitable to treat the patient with angina pectoris accompanied with asthma? A. nifedipine B. isosorbide dinit
36、rate C. nitroglycerin D. verapamil E. propranolol 40. Which of the following drugs decreases de novo cholesterol biosynthesis by inhibiting the enzyme HMG CoA reductase? A. nicotinic acid B. gemfibrozil C. lovastatin D. cholestyramine(考来烯胺) E. probucol 41.Which of the following drugs can
37、be used for Diabetics(typeⅡ)with renal insufficiency A. gliclazide B. tolbutamide C. glibornuride D. gliquidone E. glipizide 42. The contraindication of Glucocorticoids is A. septicemia B. iritis C. dermatomyositis D. epidemic parotitis(流行性腮腺炎) E. peptic ulcer 43. Antiasthmatic that coul
38、d inhibit leukotrienes release and increase cerebral blood flow is A. zileuton B. pemirolast C. ibudilast D. zafirlukast E. montelukast 44. Which of the following statements about acetazolamide is WRONG? A. diuretic action B. depresss the intracranial pressure C. acidify blood 10 D. alkal
39、ized urine E. hyperkalemia 45. Which of the following drugs could promote macrophage production and enhance the nonspecific immunologic function A. erythropoietin B. thrombopoietin C. MCSF D. MultiCSF E. GCSF 46. Which of the following can be used for megaloblastic anemia A. folic acid B.
40、 folic acid +VitB12 C. folic acid +VitB6 D. folic acid +VitB12 +VitB6 E. folic acid +VitB12+VitB6+VitC 47. All of the following are true about hydrochlorothiazide EXCEPT A. It can be used to treat hypercalcinuria B. It can lead to hypoglycemia C. It can increase the secretion of K + then caus
41、e hypokalemia D. It can decrease blood pressure mildly E. It can decrease the urinary output of diabetes insipidus patients 48. Which of the statements about thiourea is WRONG? A. They inhibit synthesis of thyroxine B. They have immunosuppressive effect C. Propylthiouracil stimulates T4 transf
42、orm to T3 D. They can cause thyroid enlargement when long term used E. They can excrete from milk and pass through placenta barrier 49. The antibiotics which are potent against the pseudomonas aeruginosa are A. carbenicillin, polymyxin, gentamycin and tobramycine B. kanamycin, tobramycine, poly
43、myxin and erythromycin C. amikacin, gentamycin, polymyxin and oxacillin D. amikacin, gentamycin, chloramphenicol and spectinomycin E. carbenicillin, ampicillin, Cephalexin and polymyxin 50. Which of the following compatibility administration is correct? A. streptomycin + gentamicin B. penicill
44、in + gentamicin C. streptomycin + furosemide D. penicillin + tetracycline E. penicillin + chloramphenicol 51.Clavulanic acid can inhibit which one of the following enzymes? 11 A.Dihydrofolate synthetase B.peptidoglycan synthetase C.βlactamase D.DNA polymerase E.dihydrofolate reductase 52.
45、The agent which can relieve AIDS and AIDS correlating syndrome is A. idoxuridine B. zidovudine C. acyclovir D. ribavirin E. adenine arabinoside 53.Which of the following imidazoles have NO effect on fungus ? A. metronidazole B. miconazole C. clotrimazole D. fluconazol E. ketoconazole 54.
46、Herxheimer reaction is caused by penicillin when it is used to treat: A.lobar pneumonia B.tetanus C.viridans endocarditis D.bacterial meningitis E.leptospirosis 55. Of the following, which is the best agent to use in pregnant patient with urinary tract infection (UTI ) caused by Chlamydia tra
47、chomatis? A. tetracycline B. levofloxacin C. gentamycin D. erythromycin E. SMZTMP 56. The t1/2 of which of the following tetracyclines remains unchanged when the drug is administered to an anuric patient A. methacycline B. oxytetracycline C. doxycycline D. tetracycline E. none of the abo
48、ve 57. A 45yearold female being treated for a chronic UTI develops acute alcohol intolerance. Which of the following agents could have caused this intolerance? A. cefoperazone 12 B. amoxicillin C. SMZ D. norfloxacin E. tetracycline 58. A patient with a pneumonia has a sputum culture that i
49、s positive for a staphylococcal strain that is blactamase positive. Which is the best choice of penicillin therapy in this patient? A. ampicillin B. oxacillin C. penicillin V D. penicillin G E. carbenicillin 59. A 75 year old woman is hospitalized for pneumonia and treated with an intraven
50、ous antibiotic. On day three, she develops severe diarrhea. Stool is positive for Clostridium difficile toxin. What is the best treatment? A. clindamycin B. cefaclor C. metronidazole D. erythromycin E. doxycycline 60. The mechanism of action of chloramphenicol as an antibiotic is that it A.






