CHAPTERS 1-15 QUESTIONS AND ANSWERS
WITH SOLUTIONS EXAM GUIDE UPDATED
2026
A structure that is composed of two or more tissue types that work together to
perform specific functions for the body is a - CORRECT ANSWER -organ
The most abundant chemical substance in the body accounting for 60-80% of
body weight - CORRECT ANSWER -water
Homeostasis Is the condition in which the body maintains what? - CORRECT
ANSWER -Dynamic state within an unlimited range
True or false? Visceral pericardium covers the hearts outer surface. -
CORRECT ANSWER -False. Visceral pericardium covers the most
superficial layer TOUCHING of the heart. Parietal pericardium covers the
perimeter of the heart's outer surface
Extracellular - CORRECT ANSWER -Outside a cell
Interstitial - CORRECT ANSWER -In between cells
intracellular - CORRECT ANSWER -Within a cell
What is a vertical section through the body dividing it into left and right called?
- CORRECT ANSWER -Sagittal
,The basic structural material of the body consists of - CORRECT ANSWER
-proteins
The genetic information is coded in DNA by the - CORRECT ANSWER -
Sequence of molecules
A chemical reaction in which bonds are broken is usually associated with -
CORRECT ANSWER -The release of energy
2,8,1 True or false UNSTABLE - CORRECT ANSWER -True 1 wants to
break off because octet rule
Organize the following in the correct sequence form simplest to most complex -
CORRECT ANSWER -Atoms molecules cells tissue organs
Which of is an organic molecule water salt sodium hydroxide or CH4 -
CORRECT ANSWER -CH4
The four elements that make up 90% of body matter are - CORRECT
ANSWER -CHON in that order
If atom X has an atomic number of 74 it would have how many protons -
CORRECT ANSWER -74 protons
Which bonds often bind different parts of a molecule into a specific three
dimensional shape - CORRECT ANSWER -Hydrogen
, Which vesicular transport process occurs primarily in some white blood cells
and macrophages - CORRECT ANSWER -Phagocytosis - cell eating
In certain kinds of muscle cells calcium ions are stored in - CORRECT
ANSWER -The smooth ER
The RNA are responsible for carrying amino acids to ribosomes for protein
formation - CORRECT ANSWER -TRNA - transfer RNA
Which of the following describes the plasma membrane - CORRECT
ANSWER -A phospholipid bi layer
Which structures are fingerlike projections that greatly increase the absorbing
surface of cells - CORRECT ANSWER -microvilli
Which type of cell junction acts as anchors and distributes tension through a
cellular sheet and reduce chance of tearing when it is subjected to great
mechanical stress - CORRECT ANSWER -desmosomes
If cells are placed in hypertonic solution with a solute impermeable to the cell
membrane what should happen - CORRECT ANSWER -The cell could lose
water and shrink crenate
Which of the following is a function of a plasma membrane protein -
CORRECT ANSWER -Molecular transport though membrane
ACGTT - CORRECT ANSWER -UGCAA