Muscles that work opposite of the muscles producing a movement are referred to as ________.
A. insertions
B. synergists
C. antagonists
D. None of the choices are correct.
Answer: C
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If a person begins to sweat upon entering a hot room but continued sweating is able to keep the body temperature stable, which of these best describes her condition?
A. She is not using energy to maintain a constant temperature. B. She is using a positive feedback mechanism. C. She is in a steady state. D. Two of the choices are correct. E. She is in an equilibrium state.
Peptide hormones (chains of 50 or fewer amino acids) are first synthesized as
A) The hormone itself. B) Prehormones. C) Prohormones. D) Preprohormones.
Which of these fluids is not considered an extracellular fluid
a. lymph b. cerebrospinal fluid c. humors of the eye d. all of the above are considered extracellular fluids
The "kissing muscle" that purses the lips is the
A) zygomaticus major. B) orbicularis oris. C) buccinator. D) levator labii superioris. E) procerus.