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Questions and Answers
What is the primary function of the adrenal glands?
What is the primary function of the adrenal glands?
- Filtration of waste products from the blood
- Regulation of blood sugar levels
- Production of antibodies to fight infection
- Production of hormones that regulate blood pressure, metabolism, and stress response (correct)
What type of tissue is the epidermis primarily composed of?
What type of tissue is the epidermis primarily composed of?
- Epithelial tissue (correct)
- Connective tissue
- Nervous tissue
- Muscle tissue
What is the main function of the dermis?
What is the main function of the dermis?
- Production of new skin cells
- Providing structural support and containing blood vessels, nerves, and glands (correct)
- Absorption of nutrients and oxygen
- Protection from UV radiation
What is the function of melanocytes in the skin?
What is the function of melanocytes in the skin?
What type of cells are found in the subcutaneous layer?
What type of cells are found in the subcutaneous layer?
Flashcards
Visual Learning
Visual Learning
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Auditory Learning
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Study Notes
Interval Notation
- Interval notation uses parentheses and brackets to represent a set of real numbers
- Parentheses indicate an endpoint is not included
- Brackets indicate an endpoint is included
- Infinity symbols are always paired with parentheses
Types of Intervals
- Open interval: (a, b) represents all values between a and b, but not including a or b. {x | a < x < b}
- Closed interval: [a, b] represents all values between a and b, including a and b. {x | a ≤ x ≤ b}
- Half-open (or half-closed) interval: [a, b) represents all values between a and b, including a but not b. {x | a ≤ x < b} or (a, b] represents all values between a and b, including b but not a. {x | a < x ≤ b}
- Disjoint interval: (-∞, a) ∪ (b, ∞) represents all values less than a or greater than b. {x | x < a or x > b}
- Infinite interval: (-∞, a) represents all real numbers less than a, (-∞, a] represents all real numbers less than or equal to a, (a, ∞) represents all real numbers greater than a, [a, ∞) represents all real numbers greater than or equal to a;
- All real numbers: (-∞, ∞) represents the set of all real numbers. {x| x is a real number}
Solving Linear Inequalities
- Distributive Property: Use the distributive property to clear parentheses.
- Clear fractions/decimals: Multiply each side of the inequality by a common denominator to eliminate fractions.
- Combine like terms: Combine all the like terms on each side of the equation.
- Isolate variable terms: Use the addition property of inequality to get all variable terms on one side.
- Isolate the variable: Use the multiplication property of inequality to solve for the variable.
- Reverse inequality: When multiplying or dividing both sides of an inequality by a negative number, flip the inequality sign.
Solving Compound Inequalities
- "And" Compound Inequalities: Solve each inequality separately, then find the intersection of the solution sets to determine the values that satisfy both inequalities.
- "Or" Compound Inequalities: Solve each inequality separately, then find the union of the solution sets to determine the values that satisfy at least one of the inequalities.
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