Which of the following is a physiological factor that can contribute to the development of an unusual flight attitude?

A failure of which of the following systems is most likely to contribute to the development of an unusual flight attitude if not promptly identified?

Which of the following system failures is most likely to contribute to a pilot developing an unusual flight attitude?

While flying in instrument meteorological conditions, the attitude indicator shows a nose-low pitch attitude with 70 degrees of left bank. Airspeed is rapidly increasing. Per standard recovery procedures, what is the first step?

While en route, you receive the following SIGMET for your flight path: SIGMET TANGO 4 VALID 131200/131800 - CONOT - FROM 30N090W TO 35N085W TO 40N090W - OCNL SEV TURB BTN FL250 AND FL390. CB DSCTD MOV E 15KT. TOPS TO FL430. AREA MOSTLY CAVOK. Your aircraft subsequently encounters an unusual flight attitude in these conditions. What is the appropriate action regarding the use of automation during recovery?

During recovery from an unusual flight attitude while flying in instrument conditions with the autopilot engaged, what is the appropriate pilot action regarding the use of automation?