Missed Questions RxPrep Flashcards
(194 cards)
What is the definition of a type II error?
A- alternative hypothesis accepted in error
B- null hypothesis accepted in error
C- study too small to detect a difference between groups
D- null hypothesis rejected in error
E- clinical trial has too many confounding variables
B- null hypothesis accepted in error
A study reports mean blood pressure, mean A1c, and mean LDL cholesterol. Which type of data is represented? A. nominal B. discrete C. categorical D. ordinal E. continuous
E. continuous
Definition of specificity A. % positive when disease not present B. % positive when disease is present C. 1 - Type II error D. % negative when disease not present E. % negative when a disease is present
D. % negative when disease not present (true negative)
Which of the following is true regarding statistical power of a study?
A. statistical power and type II error are not related
B. risk of type II error can be eliminated if statistical power is high enough
C. high statistical power increases confidence that the null hypothesis was rejected correctly
D. power is 1 - alpha
E. trial without adequate statistical power is at risk of a type II error
C. a high statistical power increases confidence that null hypothesis was rejected correctly
Which of the following are available as chewable tablets? A. cipro, augmentin, and cefixime B. cipro, augmentin, and fluconazole C. cipro, bactrim, and fluconazole D. amox, bactrim, and cephalexin E. amox, augmentin, and cefixime
E. amox, augmentin, and cefixime
Which of the following statements regarding ciprofloxacin oral suspension is INCORRECT
A. this medication should only be given through feeding tubes, as it is not sweetened or flavored for oral use
B. the pt’s blood sugar may be affected
C. this agent may prolong the QT interval
D. this agent can cause peripheral neuropathies
E. this medication should be shaken prior to use
A. this medication should only be given through feeding tubes, as it is not sweetened or flavored for oral use
(oil-based, so will adhere to tubing)
SELECT ALL THAT APPLY. Which of the following po antibiotic suspensions require refrigeration? Cubicin Ceftin Levaquin Septra Keflex
Ceftin and Keflex
Which of the following classes of antibiotics exhibit concentration-dependent killing? A. tetracyclines B. quinolones C. streptogramins D. carbapenems E. macrolides
B. quinolones
Others: aminoglycosides and daptomycin
Which of the following IV antimicrobials are compatible in D5W only? A. Bicillin LA & Zosyn B. Synercid & Bactrim C. acyclovir and ampicillin D. doxycycline and Cipro E. Cubicin and vancomycin
B. Bactrim and Synercid
Cefotetan is a 2nd generation cephalosporin that is useful in colorectal surgery prophylaxis because of which of the following? A. anaerobic activity B. MRSA activity C. increased activity against S. pneumo D. atypical coverage E. Pseudomonas coverage
A. anaerobic activity
cefotetan and cefoxitin also cover B frag
Which of the following antibiotics can cause a disulfiram-like reaction? A. cefaclor B. cefuroxime C. cefprozil D. cefotaxime E. cefotetan
E. cefotetan
SELECT ALL THAT APPLY Which of the following are potential treatment options VRE E. faecalis SSTI status-post C-section? A. Levaquin B. Rifaximin C. Cubicin D. Merrem E. Zyvox
Cubicin & Zyvox
Generic substitution for ReoPro A. eptifibatide B. abciximab C. bivalirudin D. alteplase E. tirofiban
B. abciximab
All of the following are antiplatelet agents that can be used in the treatment of ACS except: A. eptifibatide B. aspirin C. dalteparin D. ticagrelor E. clopidogrel
C. dalteparin
Dalteparin is an anticoagulant, not an antiplatelet agent.
What is the MOA of tenecteplase?
A. binds to fibrin and converts plasmin to plasminogen
B. binds to antithrombin and converts thrombin to fibrin
C. binds to thrombin and converts fibrinogen to fibrin
D. binds to fibrin and converts plasminogen to plasmin
E. binds to thrombin and converts fibrin into fibrinogen
D. binds to fibrin and converts plasminogen to plasmin
If PCI is not possible, pt should receive fibrinolytic within what period of time from first medical contact?
A. STEMI patients are not candidates for fibrinolytic therapy
B. 30 minutes
C. 120 minutes
D. 4.5 hours
E. 60 minutes
C. 120 minutes.
Which of the following medications should not be given to a patient presenting to the ED with a STEMI due to increased mortality? A. Cardizem B. Atacand C. Vasotec D. Procardia E. Demadex
D. Procardia IR nifedipine is associated with increased mortality in acute setting Cardizem= diltiazem Atacand= candesartan Vasotec= enalapril Demadex= torsemide
Which of the following lab tests is the most sensitive marker for selecting myocardial damage in a patient with an ACS? A. troponins B. BNP C. myoglobin D. CK-MB E. C-reactive protein
A. Troponins
Signs of cinchonism from quinidine:
A. confusion, tremor, and dyspnea
B. loss of smell, gingival hyperplasia, and headache
C. dry mouth, constipation, and urinary retention
D. blurred vision, blue skin discoloration, and insomnia
E. ringing in the ears, blurred vision, and confusion
E. ringing in the ears, blurred vision, and confusion
What is the therapeutic range for digoxin when used for atrial fibrillation? A. 0.8-2 ng/mL B. 2.5-3.5 ng/mL C. 5-10 ng/mL D. 0.5-0.9 ng/mL E. <0.5 ng/mL
A. 0.8-2 ng/mL
HF range: 0.5-0.9 ng/mL
CAST is a landmark arrhythmia trial where pts were randomized to use of certain antiarrhythmics vs placebo to suppress PVCs after MI. which antiarrhythmic was associated with inc. mortality in CAST? A. mexiletine B. amiodarone C. flecainide D. ibutilide E. quinidine
C. flecainide
Lopressor acts as an antiarrhythmic by blocking which of the following ion channels in the SA and AV nodes? A. Mg B. K C. Na D. Cl E. Ca
E. Ca
Both calcium channel blockers and beta blockers block calcium channels in SA & AV nodes
Which antiarrhythmic drug carries a boxed warning regarding a positive antinuclear antibody (ANA)? A. sotalol B. dofetilide C. procainamide D. amiodarone E. propafenone
C. procainamide
Which of the following statements regarding amiodarone is correct?
A. amiodarone is available only as IV injection
B. amiodarone is administered 4x/d when treating arrhythmias
C. long IV infusions should be administered in glass or polyolefin containers
D. pts taking amiodarone should be monitored for tachycardia and hypertension
E. unlike other antiarrhythmic drugs, amiodarone is not proarrhythmic
C. long IV infusions should be administered in glass or polyolefin containers