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Physio Set #1
Week 1-6 content
| Question | Answer |
|---|---|
| Processes for maintaining or restoring homeostasis are known as | homeostatic control mechanisms. |
| Define pathophysiogy | study of the underlying physiological aspects of disease . |
| Effectors can be described as | organs that directly influence controlled physiological variables. |
| Name the four basic components of a feedback control loop | 1. Sensor mechanism 2. Integrating, or control, center 3. Effector mechanism 4. Feedback |
| What are four major groups of organic substances are very important? | 1. Carbohydrates 2. Lipids 3. Proteins 4. Nucleic acids and related molecules |
| What are four levels of protein organization? | 1. Primary structure 2. Secondary structure 3. Tertiary structure 4. Quaternary structure |
| What term describes a signal traveling toward a particular center or point of reference? | afferent |
| The type of lipoprotein associated with “bad” cholesterol and the production of atherosclerotic changes in blood vessels is: | LDL |
| Amino acids frequently become joined by: | peptide bonds |
| Unsaturated fats will_______ | will kink or bend because of the double bonds between the carbon atoms |
| DNA is | a double-helix strand of nucleotides |
| Humans can synthesize 13 of 21 basic amino acids; the remaining 8, which must be included in the diet, are called: | essential amino acids |
| Glycolysis occurs in what part of the cell? | cytoplasm |
| Diffusion can be defined as | the net movement of molecules from a region of higher concentration to a region of lower concentration |
| Which of the following is an active transport process? | endocytosis |
| Proteins that act as catalysts are called | enzymes. |
| Which cells form the blood-brain barrier that protects the brain from harmful substances in the blood? | Astrocytes |
| Which of the following is not a characteristic of skeletal muscles? | Having one nucleus per cell |
| What is are the two types/functions of bone marrow? | Red & yellow – produces red blood cells and stores energy as fat. |
| Which of the following is a location in which you would find fibrous cartilage ? | Public symphysis and interverbal discs |
| Which of the following provide flexibility and smooth surfaces for movement? | Cartilages |
| The opposite of eversion is: | inversion |
| After it is released from the sarcoplasmic reticulum, the calcium combines with which protein? | Troponin |
| What is the contractile unit of a muscle cell? | sarcomere |
| A condyloid joint is an example of a(n) _____ joint. | biaxial |
| Which of the following is not one of the major functions of muscles? | Protection |
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