Question 1

Which key organization is responsible for oversight and approval of clinical trials in the United States, ensuring that they are conducted according to regulatory requirements to safeguard participant health and collect reliable data?

Options :

A : The National Institutes of Health (NIH)

B : The Food and Drug Administration (FDA)

C : The European Medicines Agency (EMA)

D : The International Council for Harmonisation of Technical Requirements for Pharmaceuticals for Human Use (ICH)

Answer: B

Question 2

During a clinical trial, data were collected on a nominal categorical variable indicating patients' blood type (Type A, Type B, Type AB, Type O). The goal is to analyze the distribution of blood types among patients who experienced an adverse event versus those who did not. Which of the following statistical methods BEST suits the objective of comparing the distribution of a nominal categorical variable across two independent groups?

Options :

A : Independent t-Test

B : One-way MANOVA

C : Logistic Regression

D : Fisher-s Exact Test

Answer: D

Question 3

A clinical trial analyst needs to create a Kaplan-Meier survival plot to visualize the time-to-event data for different treatment groups. Which PROC step should the analyst use, and what is the key statement to differentiate the treatment groups in the graph?

Options :

A : PROC GPLOT with a BY statement

B : PROC LIFETEST with a STRATA statement

C : PROC SGPLOT with a SERIES statement

D : PROC PHREG with a CLASS statement

Answer: B

Question 4

A clinical trial dataset contains the variable 'BloodPressure' measured at multiple time points for patients. You are interested in analyzing the distribution and central tendency of baseline blood pressure levels across all patients. Which SAS procedure would you use to generate descriptive statistics including the mean, median, standard deviation, and quartiles for the baseline 'BloodPressure' measurements?

Options :

A : PROC FREQ

B : PROC SUMMARY

C : PROC UNIVARIATE

D : PROC MEANS

Answer: C

Question 5

A clinical trial programmer needs to generate a report listing all datasets in the WORK library that were created today. Which of the following SQL queries correctly retrieves this information from the appropriate DICTIONARY table or view?

Options :

A : proc sql; select * from dictionary.tables where libname='WORK' and crdate=today(); quit;

B : proc sql; select * from sashelp.vtable where libname='WORK' and created=today(); quit;

C : proc sql; select memname from sashelp.vtable where libname='WORK' and modate=today(); quit;

D : proc sql; select name from dictionary.tables where libname='WORK' and datecreated=today(); quit;

Answer: B