Question 1

Which principle explains why the structure of a body part determines its function, such as the thin walls of alveoli allowing for efficient gas exchange?

Accepted Answer

Principle of complementarity of structure and function

Question 2

A physiologist is studying how the liver regulates blood glucose levels. Which subdivision of physiology does this research best represent?

Accepted Answer

Systemic physiology

Question 3

Which of the following best describes the difference between anatomy and physiology?

Accepted Answer

Anatomy studies the structure of body parts, while physiology studies their function.

Question 4

Which organelle is responsible for packaging and modifying proteins for secretion, and what is the equation for the conversion of hydrogen peroxide to water within a related organelle?

Accepted Answer

Golgi apparatus; $$2H_2O_2 \rightarrow 2H_2O + O_2$

Question 5

A patient has a genetic defect affecting the microtubules in their cells. Which cellular structures are most likely to be impaired?

Accepted Answer

Cilia and flagella

Question 6

Which of the following is NOT a function of lysosomes?

Accepted Answer

Detoxification of free radicals

Question 7

Which level of structural organization is defined as a group of similar cells performing a common function?

Accepted Answer

Tissue level

Question 8

Which of the following is a correct sequence of the levels of structural organization in the human body, from smallest to largest?

Accepted Answer

Organelle, cell, tissue, organ, organ system, organism

Question 9

Which type of body tissue is primarily responsible for transmitting electrical impulses throughout the body?

Accepted Answer

Nervous tissue

Question 10

A scientist is studying the structure of capillaries as they relate to the skin's surface. Which subdivision of anatomy is this?

Accepted Answer

Surface anatomy

Question 11

Which organelle is known as the 'power plant' of the cell, and what is the main chemical reaction it performs?

Accepted Answer

Mitochondria; $$C_6H_{12}O_6$ + 6O_2 \rightarrow 6CO_2 + 6H_2O + ATP$$

Question 12

Which cellular extension increases the surface area of a cell for absorption, and what is its structural basis?

Accepted Answer

Microvilli; actin filaments

Question 13

Which extracellular material acts as a 'glue' to hold cells together in tissues?

Accepted Answer

Extracellular matrix

Question 14

A mutation disrupts the function of peroxisomes in liver cells. Which process would be most affected?

Accepted Answer

Detoxification of free radicals

Question 15

Which of the following is a function of the cytoskeleton?

Accepted Answer

Provides structural support and facilitates cell movement

Question 16

Which organelle contains its own DNA, RNA, and ribosomes, and is essential for cellular energy production?

Accepted Answer

Mitochondria

Question 17

Which of the following best illustrates the principle of complementarity of structure and function?

Accepted Answer

The heart's valves prevent backflow, allowing blood to flow in one direction.

Question 18

Which organelle is responsible for synthesizing proteins that are destined for the plasma membrane or for secretion?

Accepted Answer

Rough endoplasmic reticulum

Question 19

A cell is observed to have an abundance of lysosomes. Which function is this cell most likely specialized for?

Accepted Answer

Phagocytosis of bacteria and debris

Question 20

Which of the following is NOT considered a type of extracellular fluid?

Accepted Answer

Cytosol

Introduction to Anatomy & Physiology: Basic Cellular Physiology and Structural Organization

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