Question 1

A patient is lying face up on an examination table with their palms facing forward. Which anatomical position is being described?

Accepted Answer

Supine position

Question 2

Which body plane divides the body into anterior and posterior sections?

Accepted Answer

Frontal (coronal) plane

Question 3

Which of the following best describes the function of the respiratory system?

Accepted Answer

Removes carbon dioxide and supplies oxygen to the blood

Question 4

A bullet enters the thoracic cavity and punctures the membrane lining the cavity wall. Which specific membrane is damaged?

Accepted Answer

Parietal pleura

Question 5

Which of the following is an example of a negative feedback loop in the human body?

Accepted Answer

Regulation of blood glucose by insulin

Question 6

Which of the following best describes the relationship between atoms, molecules, cells, and tissues in the structural organization of the body?

Accepted Answer

Atoms form molecules, molecules form cells, cells form tissues.

Question 7

Which of the following chemical reactions is represented by the equation $$ \mathrm{AB} + \mathrm{CD} \rightarrow \mathrm{AD} + \mathrm{CB} $$?

Accepted Answer

Exchange reaction

Question 8

Which of the following best describes the structure of a phospholipid?

Accepted Answer

A glycerol backbone, two fatty acid tails, and a phosphate group

Question 9

A solution is prepared by dissolving 10 g of NaCl in 100 mL of water. In this scenario, which term best describes NaCl?

Accepted Answer

Solute

Question 10

Which of the following is the correct monomer-polymer pairing?

Accepted Answer

Nucleotide - DNA

Question 11

Which of the following best describes the function of integral membrane proteins in the plasma membrane?

Accepted Answer

They function as channels or transporters for molecules across the membrane.

Question 12

A red blood cell is placed in a hypertonic solution. What will happen to the cell?

Accepted Answer

It will shrink due to water loss.

Question 13

Which process requires energy input from ATP to move substances against their concentration gradient?

Accepted Answer

Active transport

Question 14

During protein synthesis, which molecule carries the genetic code from the nucleus to the ribosome?

Accepted Answer

mRNA

Question 15

Which of the following correctly matches the cell division phase with its main event?

Accepted Answer

Anaphase: Sister chromatids are pulled apart to opposite poles

Question 16

Which type of epithelial tissue is specialized for diffusion and is found lining the air sacs of the lungs?

Accepted Answer

Simple squamous epithelium

Question 17

Which tissue type is characterized by an extracellular matrix and includes bone, blood, and cartilage?

Accepted Answer

Connective tissue

Question 18

A patient receives an IV solution that is isotonic to their blood plasma. What effect will this have on their red blood cells?

Accepted Answer

Cells will remain unchanged

Question 19

Which of the following is a function of nervous tissue?

Accepted Answer

Transmission of electrical impulses

Question 20

Which of the following best describes the role of codons and anticodons in protein synthesis?

Accepted Answer

Codons are sequences on mRNA that pair with anticodons on tRNA to ensure correct amino acid placement

BIO 163 Unit 1 Study Guide: Human Body Orientation, Chemistry, Cells, and Tissues

Study Guide - Practice Questions