Answer the following statements true (T) or false (F)
1 The medulla is referred to as the "little brain" because it is extremely vital to basic life functions
2 Jenkins rapidly swivels his head to the sound of a car backfiring down the street, a behaviour made possible by his tectum
3 The tectum and tegmentum are midbrain structures involved in the recognition of facial emotions
4 A human cannot survive with only a functional hindbrain and midbrain
5 The thalamus regulates hunger, thirst, and sexual behaviour
1 FALSE
2 TRUE
3 FALSE
4 FALSE
5 FALSE
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An organic intellectual disability may result from any of the following EXCEPT
a. malnutrition and exposure to lead, PCBs, and other toxins early in childhood. b. an impoverished environment in infancy and early childhood. c. birth injuries, such as a lack of oxygen during delivery or an overly premature delivery. d. genetic abnormalities, such as defective or missing genes.
In Chapter 4 we learned that the peripheral nervous system contains nerve fibers (bundles of axons and sometimes dendrites). Most of these nerves enter and leave the spinal cord, but the cranial nerves connect directly to the brain
Describe the role played by the cranial nerves that are involved in the senses of vision, hearing, and smell. What will be an ideal response?
Bebe has been married for five years and wants to have a child. Her husband has a medical condition which prohibits him from producing enough sperm cells
She will attempt a procedure in which a fertilized egg will be implanted in her fallopian tubes. The procedure is referred to as a) artificial insemination. b) embryonic implant. c) fertilization. d) zygote intrafallopian transfer.
The theory that processing in all parts of the nervous system, including the brain, is less efficient is called
a) dendrite/axon theory. b) peripheral slowing hypothesis. c) generalized slowing hypothesis. d) decreased myelination theory.