At 8 Months Gestation, a Fetus Hears a Phone Ring

question 42

Multiple Choice

At 8 months gestation, a fetus hears a phone ring repeatedly and is likely to experience _____ over the course of several minutes.

• A) initial changes in heart rate, with decreased changes as the ringing continues
• B) initial changes in heart rate, with increased changes as the ringing continues
• C) no changes in heart rate initially but increased changes as the ringing continues
• D) no changes in heart rate throughout the ringing

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Definitions:

Proportioning Valve

A valve in a vehicle's braking system that adjusts the pressure between the front and rear brakes, ensuring balanced braking.

Delay

A situation in which something happens later than planned or expected.

Lockup

A feature in automatic transmissions that locks the torque converter under certain conditions to improve fuel efficiency and reduce slippage.

Scientific Investigation

A systematic process undertaken to gain knowledge and understanding about the natural world, following empirical and measurable evidence.