Which of the following is regulated by a positive feedback mechanism in females?
A) menstruation B) fertilization C) ovulation D) implantation
Answer: C
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Sometimes anatomical terms come from origins that do not lend any insight into their meaning.
Answer the following statement true (T) or false (F)
What is the superior curvature of the uterus called?
A. Infundibulum B. Isthmus C. Fundus D. Body
The somatic nervous system consists of nerve fibers that connect the CNS to the ________, whereas the autonomic nervous system consists of fibers that connect the ________.
A. heart and intestines; CNS to the cardiac and smooth muscles B. skin and skeletal muscles; brain to the spinal cord C. visceral organs; CNS to the skin and skeletal muscles D. skin and skeletal muscles; CNS to the visceral organs
Stimulus intensity, or strength, is encoded in
a. the amplitude (height) of the action potential with stronger stimuli eliciting taller action potentials. b. duration of a single action potential with stronger stimuli eliciting overshoots with more area under the curve. c. frequency of action potentials with stronger stimuli eliciting higher frequencies. d. faster conduction velocities with stronger stimuli resulting in more rapid depolarization of contiguous segments of the axonal membrane. e. all of these.