$$\text{ATP} \rightarrow \text{ADP} + \text{P} + \text{Energy}$$

Question 1

Which of the following best describes the relationship between structure and function in physiology?

Accepted Answer

Structure determines function, meaning the physical form of a biological component dictates its role.

Question 2

Which metric unit would be most appropriate for measuring the diameter of a typical human cell?

Accepted Answer

Micrometer ($$1\$$times10^{-6}$$ m)

Question 3

A scientist is studying the mechanism by which red blood cells transport oxygen. Which type of explanation is this?

Accepted Answer

Mechanistic explanation

Question 4

Which of the following is an emergent property of the heart that individual cardiac muscle cells do NOT possess?

Accepted Answer

Ability to pump blood

Question 5

According to the Second Law of Thermodynamics, what happens to entropy ($$S) in $$the universe?

Accepted Answer

Entropy increases over time ($$\Delta S \u003e 0)$$

Question 6

Which of the following is NOT a characteristic required to classify something as living?

Accepted Answer

Ability to photosynthesize

Question 7

Which process is responsible for generating genetically unique gametes in humans?

Accepted Answer

Meiosis

Question 8

Which of the following best describes the Central Dogma of Biology?

Accepted Answer

DNA encodes for RNA, which encodes for protein.

Question 9

A virus contains genetic material and can evolve, but lacks which essential characteristic of life?

Accepted Answer

Ability to reproduce independently

Question 10

Which organ system is responsible for transporting materials between all cells of the body?

Accepted Answer

Cardiovascular system

Question 11

Which of the following is the correct sequence for the levels of biological organization from simplest to most complex?

Accepted Answer

Atom → Molecule → Organelle → Cell → Tissue → Organ → Organ System → Organism

Question 12

Which of the following is a function of the lymphatic system in physiology?

Accepted Answer

Returning excess fluid and escaped proteins from interstitial space to plasma

Question 13

Which property of life is most directly related to the concept of negative entropy ($$-\Delta S$$)?

Accepted Answer

Order

Question 14

Which of the following is an example of compartmentation in physiology?

Accepted Answer

The separation of metabolic reactions within mitochondria from those in the cytosol

Question 15

Which equation best represents the conversion of ATP to ADP during cellular metabolism?

Accepted Answer

$$	ext{ATP} ightarrow 	ext{ADP} + 	ext{P} + 	ext{Energy}$$

Question 16

Which of the following is a plausible consequence of loss of homeostasis in the human body?

Accepted Answer

Development of illness or disease

Question 17

Which organ system is primarily responsible for coordinating body function through electrical and chemical signals?

Accepted Answer

Nervous system

Question 18

Which of the following best describes the concept of mass balance in physiology?

Accepted Answer

The body must maintain a balance between what comes in and what goes out.

Question 19

Which of the following is NOT a function of the endocrine system?

Accepted Answer

Protection from environmental hazards

Question 20

A population of rainbow trout in a lake is an example of which level of biological organization?

Accepted Answer

Population

Introduction to Physiology: Levels of Organization and Core Concepts

Study Guide - Practice Questions