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NPB 101 MIDTERM 1 (PART 1) (PHYSIOLOGY) QUESTIONS AND ANSWERS ELABORATIONS!!
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NPB 101 MIDTERM 1 (PART 1) (PHYSIOLOGY) QUESTIONS AND ANSWERS ELABORATIONS!!
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NPB 101 MIDTERM 1 (PART 1) (PHYSIOLOGY) QUESTIONS ANDANSWERS ELABORATIONS!!
What are the 4 primary types of tissues?
Answers :Muscle, Nervous, Epithelial and Connective
What are the functions of the 4 different tissues?
Answers :Muscle-contraction, generates tensions and movement
Nervous-Signals, can conduct electric signals
Epithelial-Exchanging materials between cell/environment
Connective-structural support
What are the different subsets of muscle tissue? Describe them.
Answers :Skeletal- Moves the skeleton
Cardiac-In your heart, pumps blood
Smooth-In your gut/blood vessels, controls movements through hollow
organs/tubes
What are the different subsets of nervous tissues? Describe them.
Answers :Central-?
Peripheral-?
What are the different subsets of epithelial tissues?
Describe them.
Answers :Epithelial sheets-serve as boundaries
Glands-specialized in secretion
What are the different subsets of connective tissues?Describe them.
,Answers :Tendons: skeletal muscles to bones
Bones "more fruit than jello"
Blood "more jello than fruit"
Differentiate between cells, tissues, organs and systems
Answers :Cells: Can have specific function
Tissues: Group of the same cells working together
Organs: Combination of different tissue types for a specific function
System: Combination of different organs performing a specific role
What are the different body systems (11)
Answers :Circulatory
Digestive
Respiratory
Urinary
Skeletal (not covered)
Immune (not covered)
Muscular
Integumentary (not covered)
Nervous
Endocrine
Reproductive
Define Homeostasis
, Answers :Maintains dynamic steady state/dynamic constancy in the internal
environment
Deviations from set points are detected, responses restore it to optimal range
What fluids are involved in maintaining homeostasis?
Answers :Intracellular fluid (inside the cell), interstitial fluid (extracellular space)
and blood (technically the plasma though)
List examples of factors maintained by homeostasis
Answers :[Nutrient], [O2, CO2], [waste products], pH level,
[H2O/salt/electrolytes], Volume/pressure of blood, temperature
Define Dynamic Constancy
Answers :Changes occur, but more or less the same level/amount is maintained
over time
Define the homeostatic control system
Answers :Interconnected network of components that work together to maintain
___ relatively constant
For a variable to be regulated, the control system must be able to....
Answers :1. Sensor: Detect the changes from set point
2. Control Center: Compare/contrast set point to current point
3. Response via effectors: Fix it, make it normal
Define Negative Feedback
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