SAS Institute A00-280 Online Practice Questions and Exam Preparation

SAS Institute A00-280 Online Questions & Answers

• Question 81:

  Which statement correctly describes an aspect of a Phase II clinical trial?

  A. randomized controlled multicenter trials on large patient groups
  B. designed to assess the pharmacovigilance, pharmacokinetics, and pharmacodynamics of a drug
  C. in vitro and in vivo experiments using wide-ranging doses of the drug
  D. designed to assess how well the drug works
  D. designed to assess how well the drug works

• Question 82:

  The data set CM has eight variables including CMTRT and is sorted by STUDYID USUBJID CMSEQ.

  DATA_BB is created by selecting records from CM where the character string "BLOCKER" is included in CMTRT.

  

  Which program was used to produce WORK.DATA_BB?

  A. proc sort data=cm out=data_bb (keep=usubjid cmstdtc cmtrt); by usubjid CMSTDTC; where cmtrt in('BLOCKER'); run;
  B. proc sort data=CM (keep=usubjid cmstdtc cmtrt) out=data_bb; by usubjid CMSTDTC; where cmtrt contains 'BLOCKER'; run;
  C. data data_bb; set cm (where=(find(cmtrt,'BLOCKER','i')>0)); by usubjid CMSTDTC; run;
  D. data data_bb; set cm (keep=usubjid cmstdtc cmtrt); by usubjid CMSTDTC; where cmtrt in('BLOCKER'); run;
  B. proc sort data=CM (keep=usubjid cmstdtc cmtrt) out=data_bb; by usubjid CMSTDTC; where cmtrt contains 'BLOCKER'; run;

• Question 83:

  Which LIBNAME statement is valid?

  A. libname "c:\sas\labdata\";
  B. libname mysasdata "c:\sas\labdata\";
  C. libname work "c:\sas\labdata\";
  D. libname sasdata "c:\sas\labdata\";
  D. libname sasdata "c:\sas\labdata\";

• Question 84:

  The following SAS program is submitted.

  

  What result is displayed for the variable COUNT?

  A. 1
  B. 2
  C. 3C.3
  D. 4D.4
  C. 3C.3

• Question 85:

  From the Statistical Analysis Plan, patients age is calculated as an integer relative to date randomized divided by 365.25. Given the following annotated CRF:

  

  Which programming code defines the patient's age?

  A. age = int((birthdt-randdt)/365.25);
  B. age = int((randdt-birthdt)/365.25);
  C. age= int(yrdif(birthdt,randdt, "act/365.25" ));
  D. age = int((today()-birthdt)/365.25);
  B. age = int((randdt-birthdt)/365.25);

• Question 86:

  A Statistical Analysis Plan describes a clinical trial as "A 12 week, double-blind, placebo- controlled, randomized, multi-center study." Double-blind refers to which groups in this study?

  A. treatment and control group
  B. investigator and subjects
  C. statistician and sponsor
  D. sponsor and investigator
  B. investigator and subjects

• Question 87:

  Which function would be used to determine the number of elements in an existing array?

  A. dim ()
  B. n ()
  C. sum ()
  D. count ()
  A. dim ()

• Question 88:

  You have acquired an existing program from a coworker which uses a macro. It is not immediately clear to you what this macro is doing. Which OPTION can be used to put the SAS statements generated by the macro execution into the LOG?

  A. MPRINT
  B. SYMBOLGEN
  C. MLOGIC
  D. MRECALL
  A. MPRINT

• Question 89:

  Given the following data set:

  

  Which program was used to prepare the data for this PROC PRINT output?

  A. proc sort data=one out=two; by subjid; run;
  B. proc sort data=one out=two nodupkey; by subjid; run;
  C. proc sort data=one out=two nodup; by subjid; run;
  D. proc sort data=one out=two nodupkey; by subjid trt; run;
  B. proc sort data=one out=two nodupkey; by subjid; run;

• Question 90:

  Given the SAS data set containing subject's phone numbers

  

  What is the value of PHONE2 for subject 005?

  A. (215) 631-9494
  B. 2156319494 C. (215) 6319494
  D. 631-9494
  B. 2156319494 C. (215) 6319494