Question 1

Which of the following correctly lists the six levels of structural organization in the human body from smallest to largest?

Accepted Answer

Chemical, Cellular, Tissue, Organ, Organ System, Organism

Question 2

A patient is lying face up on an examination table. What is the anatomical term for this position?

Accepted Answer

Supine

Question 3

Which directional term describes the position of the sternum relative to the heart?

Accepted Answer

Question 4

In the anatomical position, which side of the body is considered ventral?

Accepted Answer

The front side

Question 5

Which of the following best describes the difference between medial and lateral?

Accepted Answer

Medial is toward the midline; lateral is away from the midline

Question 6

Which plane divides the body into right and left portions?

Accepted Answer

Sagittal

Question 7

Which body cavity contains the heart and lungs?

Accepted Answer

Thoracic cavity

Question 8

What structure separates the thoracic cavity from the abdominopelvic cavity?

Accepted Answer

Diaphragm

Question 9

Which of the following is a property of water that is essential for life?

Accepted Answer

It has a high heat capacity

Question 10

A solution with a pH of 2.3 has which of the following characteristics?

Accepted Answer

High concentration of hydrogen ions

Question 11

If blood becomes too acidic, which buffer system is primarily used to restore pH balance?

Accepted Answer

HCO$_3^-$ / H$_2$CO$_3$ buffer system

Question 12

Which organelle is responsible for producing ATP through cellular respiration?

Accepted Answer

Mitochondria

Question 13

Which of the following is a difference between passive and active transport across the cell membrane?

Accepted Answer

Active transport moves substances against their concentration gradient; passive transport moves substances down their concentration gradient

Question 14

Which phase of the cell cycle is responsible for DNA replication?

Accepted Answer

S phase

Question 15

Which tissue type is characterized by a high concentration of cells and little extracellular matrix?

Accepted Answer

Epithelial tissue

Question 16

Which type of epithelial tissue is specialized for absorption and secretion and is found lining the intestines?

Accepted Answer

Simple columnar epithelium

Question 17

Which connective tissue cell type is responsible for producing collagen fibers?

Accepted Answer

Fibroblast

Question 18

Which type of muscle tissue is voluntary and contains striations?

Accepted Answer

Skeletal muscle

Question 19

Which layer of the epidermis is only found in thick skin, such as the palms and soles?

Accepted Answer

Stratum lucidum

Question 20

Which type of gland is responsible for producing watery sweat for thermoregulation and is most numerous in the skin?

Accepted Answer

Eccrine gland

BSC 215 Exam 1 Review: Structural Organization, Anatomical Terminology, and Body Regions

Study Guide - Practice Questions