Someone's cell phone is ruining my lead II ECG. A unity gain INA has 100dB of CMRR. The Lead III SNR at the output of the INA is 60dB with the phone on. Someone suggests grounding the RA to improve the SNR. Specify the SNR (in dB) after grounding the RA.
1) 11. Which of the following is the best method to update an indicator on the front panel?
2) a. Use a Value property node
3) b. Wire directly to the indicator terminal
4) c. Use a local variable
5) d. Use a functional global variable
ANSWER B
3pts right answer, otherwise 0 pts
6)
7)
8) What is the value in Shift Register Answer after the following code has executed?
9)
10) a. 16
11) b. 24
12) c. 32
13) d. 10
ANSWER: C
3pts right answer, otherwise 0 pts
14)
15) Which of the following illustrates an advantage of a global variable over a local variable?
16) a. A global variable can pass data between two independent VIs running simultaneously
17) b. Only the global variable can pass array data, local variables cannot
18) c. Global variables follow the dataflow model, and therefore cannot cause race conditions
19) d. Global variables do not require owned labels to operate
20)
21) ANSWER A
22)
3pts right answer, otherwise 0 pts
23)
24)
25) What is the result of the following Array addition?
26)
27) a. 1-D Array of {80, 20, 40, 10, -60}
28) b. 1-D Array of {120, 30, -60}
29) c. 1-D Array of {120, 30}
30) d. 2-D Array of {{120, 90, 20}, {60, 30, -40}}
31)
32)
ANSWER C
3 pts right answer, 0 points wrong answer
Q1: In the table at the right, give the name (anatomical part) for each labeled item.
Name
1
2
3
4
5
ANSWER: 1) Superior Vena Cava, 2) Aorta, 3) pulmonary artery, 4) left ventricle, 5) inferior vena cava
All correct = 3 pts
1 wrong = 2 pts
2 wrong =1 pt
3 wrong = 1 pt
4 or 5, wrong = 0 pt
1) Draw a diagram of the body showing where to place the lead III electrodes (no driven right leg) and how to correctly connect the electrodes to an INA.
ANSWER: Lead III is LA-, LL+
Sign and connections are right, award 3pts
If the connections are right and the sign is wrong, award 2 pts
If the connections and sign are wrong award 0 pts