Question 1

Which of the following correctly lists the six structural levels of 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 which anatomical plane would a CT scan slice the body into superior and inferior portions?

Accepted Answer

Transverse

Question 5

Which of the following is TRUE regarding the difference between medial and lateral?

Accepted Answer

Medial means closer to the midline; lateral means farther from the midline.

Question 6

A cut that divides the body into anterior and posterior sections is made along which plane?

Accepted Answer

Frontal (Coronal)

Question 7

Which 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 NOT a property of water that makes it vital for life?

Accepted Answer

Ability to form ionic bonds

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

Bicarbonate buffer system

Question 12

What is the normal pH range of human blood?

Accepted Answer

$$7.35 - 7.45$$

Question 13

Which organelle is responsible for producing ATP through cellular respiration?

Accepted Answer

Mitochondria

Question 14

Which of the following best describes the difference between passive and active transport across the cell membrane?

Accepted Answer

Passive transport moves substances down their concentration gradient without energy; active transport moves them against their gradient using energy.

Question 15

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

Accepted Answer

S phase

Question 16

Which tissue type is characterized by having cells embedded in an extracellular matrix and is highly vascularized?

Accepted Answer

Connective tissue

Question 17

Which type of cartilage is found in the intervertebral discs and is known for its ability to resist compression?

Accepted Answer

Fibrocartilage

Question 18

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

Accepted Answer

Stratum Lucidum

Question 19

Which type of muscle tissue is voluntary, striated, and multinucleated?

Accepted Answer

Skeletal muscle

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

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