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1.1 An introduction to the human body Read Online
1.2 The chemical level of organization Read Online
After studying this chapter, you will be able to:
Though you may approach a course in anatomy and physiology strictly as a requirement for your field of study, the knowledge you gain in this course will serve you well in many aspects of your life. An understanding of anatomy and physiology is not only fundamental to any career in the health professions, but it can also benefit your own health. Familiarity with the human body can help you make healthful choices and prompt you to take appropriate action when signs of illness arise. Your knowledge in this field will help you understand news about nutrition, medications, medical devices, and procedures and help you understand genetic or infectious diseases. At some point, everyone will have a problem with some aspect of his or her body and your knowledge can help you to be a better parent, spouse, partner, friend, colleague, or caregiver.
This chapter begins with an overview of anatomy and physiology and a preview of the body regions and functions. It then covers the characteristics of life and how the body works to maintain stable conditions. It introduces a set of standard terms for body structures and for planes and positions in the body that will serve as a foundation for more comprehensive information covered later in the text. It ends with examples of medical imaging used to see inside the living body.
The course will span modern neuroscience from molecular neurobiology to perception and cognition, including the following major topics: anatomy and development of the brain; cell biology of neurons and glia; ion channels and electrical signaling; synaptic transmission, integration, and chemical systems of the brain; sensory systems, from transduction to perception; motor systems; and higher brain functions dealing with memory, language, and affective disorders.
There are 23 questions.
86 points total.
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Question: It is important to have a sense for the relative orders of magnitude of cellular components. Circle the answer which is closest to correct for each physical parameter for a CNS synapse.
Choices:
0.2 nm
2 nm
20 nm
200 nm
Question: It is important to have a sense for the relative orders of magnitude of cellular components. Circle the answer which is closest to correct for each physical parameter for a CNS synapse.
Choices:
0.1 µM
1 µM
10 µM
100 µM
Question: It is important to have a sense for the relative orders of magnitude of cellular components. Circle the answer which is closest to correct for each physical parameter for a CNS synapse.
Choices:
1 nm
10 nm
100 nm
1000 nm
Question: It is important to have a sense for the relative orders of magnitude of cellular components. Circle the answer which is closest to correct for each physical parameter for a CNS synapse.
Choices:
50
500
5,000
50,000
Question: It is important to have a sense for the relative orders of magnitude of cellular components. Circle the answer which is closest to correct for each physical parameter for a CNS synapse.
Choices:
0.5 nm
5 nm
50 nm
500 nm
Question: It is important to have a sense for the relative orders of magnitude of cellular components. Circle the answer which is closest to correct for each physical parameter for a CNS synapse.
Choices:
5 nm
50 nm
500 nm
5000 nm
Question: It is important to have a sense for the relative orders of magnitude of cellular components. Circle the answer which is closest to correct for each physical parameter for a CNS synapse.
Choices:
0.5 µM
5 µM
50 µM
500 µM
Question: It is important to have a sense for the relative orders of magnitude of cellular components. Circle the answer which is closest to correct for each physical parameter for a CNS synapse.
Choices:
1
10
100
1000
Question: It is important to have a sense for the relative orders of magnitude of cellular components. Circle the answer which is closest to correct for each physical parameter for a CNS synapse.
Choices:
0.1 ms
1 ms
10 ms
100 ms
Question: Indicate which of the following are true.
Choices:
Microtubules possess great tensile strength that enables axons to withstand mechanical stress.
The initial segment and nodes of Ranvier are enormously enriched in delayed rectifier potassium channels.
The speed of slow axonal transport is only one order of magnitude faster than simple diffusion.
Presynaptic proteins are often synthesized in the axonal terminal, while dendritic proteins are exclusively made in the soma.
Dendritic spines are generally thought to constitute the site of long-term, stable memory in CNS neurons.
Question: It is important to have a sense for the relative orders of magnitude of cellular components. Circle the answer which is closest to correct for each physical parameter for a CNS synapse.
Choices:
.05 nm
.5 nm
5 nm
50 nm
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