Physiology Quiz - Berne and Levy 7th Edition

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Questions and Answers

Which of the following compounds is classified as an inorganic compound?

Carbohydrates

Lipids

Water (correct)

Proteins

What are atoms that lose electrons and form a net positive charge called?

Noble gases

Cations (correct)

Anions

Ions

What type of bond is formed through the electrical attraction between cations and anions?

Metallic bond

Ionic bond (correct)

Hydrogen bond

Covalent bond

Which of the following correctly describes anions?

They are electron acceptors and have a net negative charge. Signup and view all the answers

What property of water is primarily responsible for its ability to form hydrogen bonds?

Unequal sharing of electrons Signup and view all the answers

Which of the following statements is true about organic compounds?

They contain carbon and include carbohydrates, lipids, nucleic acids, and proteins. Signup and view all the answers

Why is the arrangement of water molecules based on their polarity important for biological systems?

It allows for efficient transport of nutrients and waste. Signup and view all the answers

Which characteristic of water primarily contributes to its surface tension?

Hydrogen bonding among water molecules Signup and view all the answers

What effect does the unique structure of water have on the shape of molecules?

It is crucial for establishing the 3D shape of other molecules. Signup and view all the answers

What is the charge distribution in a water molecule?

Hydrogen atoms have a small positive charge and the oxygen atom has a small negative charge. Signup and view all the answers

What is the expected average number of hours a student should spend on a 10 unit course?

120-140 hours Signup and view all the answers

Why is it advised to communicate your exam timetable to your employer?

To ensure they do not schedule work during exams Signup and view all the answers

What is one key reason provided for not cramming lectures before an exam?

Last-minute studying often leads to poor performance Signup and view all the answers

What should a student do if outside commitments prevent them from studying?

Contact the program convenor for advice Signup and view all the answers

What is one requirement for receiving allowances around significant events such as championships?

Registration with the University elite athlete program Signup and view all the answers

What type of help is available to students according to the content provided?

Additional resources on Canvas and discussion boards Signup and view all the answers

What is the recommended study load for a full-time student enrolled in four courses?

40 hours per week Signup and view all the answers

What is not considered a valid reason to miss a test?

Outside work commitments Signup and view all the answers

What support does the Disability Support service provide to students?

Assistance and recommendations for learning support Signup and view all the answers

What should students do if they encounter academic difficulties?

Contact the course coordinator promptly Signup and view all the answers

Why is terminology considered a new language in physiology courses?

It includes many new words based on standard language rules Signup and view all the answers

What is the purpose of practice quizzes and mid-semester exams?

To provide scores and review difficult questions Signup and view all the answers

What is a suggested approach before traveling to a new location?

Learn a few phrases in the local language Signup and view all the answers

What unique characteristic does the name 'hERG' refer to?

Strange behaviour of certain drosophila under anaesthesia Signup and view all the answers

What ratio of students typically interacts with one course coordinator?

500 students to one coordinator Signup and view all the answers

What is crucial for understanding new terminology in physiology?

Understanding the nomenclature used in the field Signup and view all the answers

What is the function of the receptor in a homeostatic feedback system?

Monitors a physiological variable and detects changes Signup and view all the answers

What is the normal range for blood glucose concentration in the extracellular fluid?

70-110 mg/dl Signup and view all the answers

Which systems are most often involved in homeostatic regulation?

Nervous and endocrine systems Signup and view all the answers

What type of feedback mechanism is primarily involved in homeostasis?

Negative feedback Signup and view all the answers

Which variable has a normal range of 34-45 mmHg in arterial levels?

Arterial CO2 levels Signup and view all the answers

What is the primary component that integrates information in a homeostatic feedback system?

Control Centre Signup and view all the answers

Where is intracellular fluid (ICF) located?

Within cells Signup and view all the answers

Which of the following correctly describes extracellular fluid (ECF)?

It includes interstitial and plasma fluid. Signup and view all the answers

Study Notes

Course Resources

Recommended textbooks include Berne and Levy Physiology, Guyton and Hall Textbook of Medical Physiology, and Medical Biochemistry.
Canvas serves as the main platform for course-related materials, including timetables, lecture notes, and assessments.

Course Assessment and Workload

Expect to invest 120-140 hours per 10-unit course; full-time study equates to 40 hours per week for four courses.
Contact the program convenor for assistance with managing commitments outside of university studies.
Mid-semester and formal assessments managed online; documentation required for adverse circumstances should match impact dates.

Homeostasis and Fluid Compartments

Two main fluid compartments:
- Intracellular fluid (ICF) within cells.
- Extracellular fluid (ECF) which includes interstitial and plasma fluid outside cells.
Normal composition values for ECF include core body temperature (37°C), pH (7.35-7.45), and blood glucose (70-110 mg/dl).

Homeostatic Mechanisms

Regulation primarily involves the nervous and endocrine systems, often operating through negative feedback loops.
Homeostatic feedback system components include receptors (sensors), control centers, and effectors that work to maintain equilibrium.

Importance of Water

Water is unique due to its polar covalent bonds, which facilitate hydrogen bonding.
Chemical reactions in the body occur in water, making the understanding of its properties essential to physiological processes.

Chemical Interactions

Atoms can lose or gain electrons; those that lose become cations (positive charge, e.g., Na+) and those that gain become anions (negative charge, e.g., Cl-).
Ionic bonds form through electrical attraction between cations and anions.

Organic vs. Inorganic Compounds

Organic compounds contain carbon and are characteristic of living organisms (e.g., carbohydrates, lipids, proteins).
Inorganic compounds do not typically contain carbon but include water, oxygen, nitrogen, and essential ions.

Key Concepts

Understanding atomic interactions is crucial for grasping how larger molecules like carbohydrates and proteins form.
Hydrogen bonds significantly influence the molecules' shapes, vital for drug and hormone functioning.
Knowledge of anions and cations is foundational for future discussions on plasma components and physiological processes.

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Description

Test your knowledge on the key concepts presented in Berne and Levy's Physiology, Seventh Edition. This quiz covers essential topics and is designed to reinforce your understanding of physiological principles. Perfect for students pursuing a thorough comprehension of medical physiology.