Q: Which of the following equations best represents the percentage of water in the human body, given that water makes up 70-85% of body mass?

$$\text{Water mass} = \text{Total body mass} \times 0.75$$

Question 1

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

Accepted Answer

Anatomy is the study of the structures of the human body, while physiology is the study of the functions of those structures.

Question 2

At which level of structural organization do phospholipids assemble to form the plasma membrane?

Accepted Answer

Cellular level

Question 3

Which organelle is primarily responsible for energy production in the cell?

Accepted Answer

Mitochondrion

Question 4

A mutation in the linker proteins of desmosomes in cardiac muscle cells can lead to which of the following conditions?

Accepted Answer

Arrhythmogenic Right Ventricular Dysplasia (ARVD)

Question 5

Which of the following is NOT a function of the plasma membrane?

Accepted Answer

Synthesizing proteins

Question 6

Which cytoskeletal element is primarily involved in resisting pulling forces within the cell?

Accepted Answer

Intermediate filaments

Question 7

Which type of cell junction prevents substances from passing between adjacent cells in epithelial tissue?

Accepted Answer

Tight junctions

Question 8

Which of the following best describes the function of the Golgi apparatus?

Accepted Answer

Sorts, processes, and packages proteins and membranes

Question 9

A scientist is studying a structure composed of several tissue types working together to perform a specific function. At which level of organization is she working?

Accepted Answer

Organ level

Question 10

Which of the following is a temporary cytoplasmic inclusion that stores energy in adipocytes?

Accepted Answer

Lipid droplet

Question 11

Which of the following equations best represents the percentage of water in the human body, given that water makes up 70-85% of body mass?

Accepted Answer

$$	ext{Water mass} = 	ext{Total body mass} 	imes 0.75$$

Question 12

Which of the following cell types would you expect to contain the most lysosomes?

Accepted Answer

Macrophages

Question 13

Which organelle is responsible for the assembly of ribosome subunits?

Accepted Answer

Nucleolus

Question 14

Which of the following best describes the function of gap junctions?

Accepted Answer

Allowing ions and small molecules to move directly between cells

Question 15

A patient presents with right ventricular failure and fibrofatty replacement of myocardium. Which cellular structure is most likely defective?

Accepted Answer

Desmosomes

Question 16

Which of the following is the correct order of the hierarchy of structural organization from simplest to most complex?

Accepted Answer

Chemical, cellular, tissue, organ, organ system, organism

Question 17

Which cytoskeletal structure is primarily responsible for cell movement?

Accepted Answer

Microfilaments

Question 18

Which of the following best explains why lysosomes are membrane-bound?

Accepted Answer

To prevent digestive enzymes from damaging the rest of the cell

Question 19

Which of the following is NOT a basic component of the human body?

Accepted Answer

Chlorophyll

Question 20

Which of the following best describes the function of the cytosol?

Accepted Answer

It is a jelly-like fluid that suspends organelles within the cell.

Introduction to Anatomy & Physiology: Structural Organization and Cellular Components

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