Question 1

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

Accepted Answer

The hard mineral deposits in bones allow them to support and protect organs.

Question 2

A patient is experiencing rapid blood loss due to a severe injury. Which feedback mechanism is primarily responsible for amplifying the process of blood clotting?

Accepted Answer

Positive feedback

Question 3

Which of the following best describes the role of serous fluid in the ventral body cavity?

Accepted Answer

It allows organs to slide without friction during normal function.

Question 4

A solution has a hydrogen ion concentration of $$1 	imes 10$$^{-7}$$ moles per liter. What is its pH?

Accepted Answer

$$pH = 7$$

Question 5

Which of the following is a correct pairing of a connective tissue cell and its mature form?

Accepted Answer

Fibroblast and fibrocyte

Question 6

Which type of epithelial tissue is best suited for rapid diffusion and filtration, and where is it commonly found?

Accepted Answer

Simple squamous; air sacs of lungs

Question 7

A red blood cell placed in a hypotonic solution will:

Accepted Answer

Swell and potentially burst (lyse)

Question 8

Which of the following best describes the structure and function of phospholipids in the plasma membrane?

Accepted Answer

They have polar and nonpolar regions, forming a selectively permeable barrier.

Question 9

Which connective tissue fiber type is most abundant in the dermis and provides high tensile strength?

Accepted Answer

Collagen fibers

Question 10

Which organelle is responsible for packaging, modifying, and segregating proteins for secretion or incorporation into the plasma membrane?

Accepted Answer

Golgi apparatus

Question 11

A molecule of sodium chloride (NaCl) forms when sodium donates an electron to chlorine. What type of bond is formed?

Accepted Answer

Ionic bond

Question 12

Which of the following best explains why blood is classified as a connective tissue?

Accepted Answer

It develops from mesenchyme and has a nonliving fluid matrix.

Question 13

Which of the following is a function of simple columnar epithelium in the digestive tract?

Accepted Answer

Absorption and secretion of mucus and enzymes

Question 14

Which of the following best describes the difference between primary and secondary active transport?

Accepted Answer

Primary uses ATP directly; secondary uses energy from ion gradients created by primary transport.

Question 15

Which of the following is a characteristic of cardiac muscle tissue?

Accepted Answer

Uninucleate, involuntary, striated

Question 16

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

Accepted Answer

It provides structural support and facilitates cell movement.

Question 17

Which of the following is a function of areolar connective tissue?

Accepted Answer

Binds body parts together while allowing movement

Question 18

Which of the following best describes the structure of DNA?

Accepted Answer

Double-stranded helix, contains thymine

Question 19

Which of the following is a function of the cutaneous membrane?

Accepted Answer

Forms the skin, providing protection

Question 20

Which of the following best describes the role of enzymes in the body?

Accepted Answer

They act as biological catalysts to speed up chemical reactions.

Exam 1 Focused Review: Human Body Orientation, Chemistry, Cells, and Tissues

Study Guide - Practice Questions

Study Guide - Flashcards