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Cassandra Angel
Physiology Assignment 1
| Question | Answer |
|---|---|
| Effectors can be described as | organs that directly influence controlled physiological variables |
| Extrinsic control usually involves which mode of regulation? | nervous and endocrine |
| To accomplish self-regulation, a highly complex and integrated communication control system or network is required. This type of network is called? | Feedback control loop |
| The term that means self-immunity is: | autoimmunity |
| Homeostasis can best be described as: | a state of relative consistency |
| All proteins have which four elements? | carbon, oxygen, hydrogen, and nitrogen |
| The most important monosaccharide is? | glucose |
| What is ATP? | the form of energy that cells generally use |
| What determines how a protein performs? | shape |
| Where is hematopoiesis carried out? | in red bone marrow |
| The cell organelles that synthesize organic matrix substances in bone formation are: | endoplasmic reticulum and Golgi apparatus |
| The contractile unit or a muscle cell is the | sarcomere |
| Anaerobic respiration results in the formation of an incompletely catabolized molecule called | lactate |
| The minimum level of stimulation required to cause a fiber to contract is called the | threshold stimulus |
| The muscle's ability to stretch or extend and to return to it's resting length is called | extensibility |
| Muscle tone is maintained by | negative feedback mechanisms |
| The joints between the articulating surfaces of the vertebral processes are classified as what type of joint? | gliding |
| Synarthrotic joints are | immoveable |
| Exercise may increase muscle size called | hypertrophy |
| The structure of the knee joint permits movements of | flexion and extension |
| Some synovial joints contain a closed pillow like structure called a | bursa |
| Synovial joints are | freely moveable |
| Three phases of the twitch contraction are the | latent period, contraction phase, and relaxation phase |
| which structure allows the electrical signs to travel along the sarcolemma and move deeper into the cell? | transverse tubule |
| What type of fibrous joints are found only in the skull? | suture |
| The joint present during the growth years between the epiphyses of a long bone and it's diaphyses is the | sychrondrosis |
| According to the sliding filament theory... | actin moves past myosin |
| The body naturally changes some set points to different values at different times of the day. These daily cycles are called | circadian cycles |
| The impact of effector activity on sensors may be positive or negative. Therefor, homeostatic control mechanisms are categorized as | organs that are directly influenced by psychological variables or mechanisms |
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cangel
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