The brain waves most closely associated with mental activity are
A. theta waves.
B. beta waves.
C. delta waves.
D. alpha waves.
Answer: B
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During childbirth, as a baby's head is pressed against the mother's cervix, signals are relayed via nerves from cervix to the mother's brain. The brain initiates the secretion of oxytocin (a hormone) from the mother's pituitary gland. Oxytocin stimulates further uterine contractions. As the uterus contracts even harder in response to oxytocin, the baby's head is pushed harder against the cervix; this stimulates yet more nerve signals to the mother's brain, resulting in yet more oxytocin secretion until finally the baby is pushed through the cervix. This process of childbirth is an example of
A. positive feedback. B. acclimatization. C. feedforward regulation. D. negative feedback. E. adaptation.
Answer the following statements true (T) or false (F)
1. Golgi tendon receptors and muscle spindles are both proprioceptors but are able to sense different things. 2. Meissner’s corpuscles respond to pain. 3. Ruffini’s corpuscles respond to touch and pressure. 4. Pacinian corpuscles respond to high-frequency vibrations. 5. The highest concentration of general sense organs is in the epidermis of the skin.
The supportive cells of the nervous system are called
A) dendrites. B) cell body. C) axon. D) neuroglia. E) neuron.
Trace the pathway of tears from the eye to the nose
What will be an ideal response?