Prelim Physiology Review

Prelim Physiology Review

University

70 Qs

quiz-placeholder

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Prelim Physiology Review

Prelim Physiology Review

Assessment

Quiz

Health Sciences

University

Easy

Created by

RSL 3

Used 7+ times

FREE Resource

70 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following best defines homeostasis?
A state where all physiological variables remain constant
The process of maintaining a stable internal environment
The ability of an organism to adapt to any external change
A state of dynamic disequilibrium

Answer explanation

Homeostasis refers to the body's ability to maintain a stable internal environment despite external changes.

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which organ system is primarily responsible for transporting nutrients, gases, and wastes?
Nervous system
Digestive system
Cardiovascular system
Respiratory system

Answer explanation

The cardiovascular system transports oxygen, nutrients, and waste products throughout the body via the blood.

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which level of structural organization is immediately higher than the cellular level?
Chemical
Organ
Organ system
Tissue

Answer explanation

Tissues are groups of similar cells working together to perform a specific function.

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which type of feedback mechanism is involved in blood clotting?
Negative feedback
Positive feedback
Neutral feedback
Homeostatic balance

Answer explanation

Blood clotting is a positive feedback loop where an initial stimulus (platelet activation) enhances further platelet aggregation.

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The smallest functional unit of life is the:
Atom
Molecule
Cell
Tissue

Answer explanation

The cell is the basic functional unit of life, performing all necessary biological functions.

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the primary function of the integumentary system?
Regulate metabolism
Provide structural support
Protect against external harm
Facilitate gas exchange

Answer explanation

The integumentary system (skin, hair, nails) provides protection, regulates temperature, and prevents water loss.

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which term describes the ability of an organism to sense changes in its environment and react accordingly?
Metabolism
Responsiveness
Differentiation
Homeostasis

Answer explanation

Responsiveness is the ability to detect and respond to environmental changes.

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