Which of the following is a function of the medulla?
A. coordinating muscle movements
B. maintaining body temperature
C. regulating breathing and heartbeat
D. maintaining body movement and balance
Answer: C
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A baby is considered premature
a. if birth occurs at or before 37 weeks of gestation. b. if the newborn weighs less than 5½ pounds. c. if birth occurs at 40 weeks of gestation. d. it depends upon whether this is the first birth for the mother.
“I want to know how much sleep on average Americans get per night. I determine this by conducting a survey of Americans to learn that most Americans get an average of 6 to 8 hours of sleep per night” is an example of ______.
a. intuition b. authority c. observation d. deduction
When an action potential reaches an axon terminal, calcium
A. rushes into the cell immediately, because this negatively charged ion is attracted to the now-positive environment of the axon terminal B. rushes out of the axon terminal, because this positively charged ion is repelled by the now-positive environment of the axon terminal. C. leaves the axon terminal as the action potential recedes, because that is when the calcium channels begin to open. D. enters the axon terminal as the action potential recedes, primarily due to diffusion.
Which of the following is NOT an example of an adult marker event?
a. Marriage b. First date c. First job d. Childbirth