68W MODULE 1 PRACTICE TEST BANK 2026
UPDATED QUESTIONS AND CORRECT
ANSWERS EXPERT VERIFIED GRADED A+
⩥ Mitochondria. Answer: Powerhouse of the cell
⩥ Endoplasmic Reticulum. Answer: A cell structure that forms a maze of
passageways in which proteins and other materials are carried from one
part of the cell to another.
⩥ cell membrane. Answer: A cell structure that controls which
substances can enter or leave the cell.
⩥ ATP. Answer: (adenosine triphosphate) main energy source that cells
use for most of their work
⩥ aerobic metabolism. Answer: The cellular process in which oxygen is
used to metabolize glucose. Energy is produced in an efficient manner
with minimal waste products.
⩥ tidal volume. Answer: Amount of air that moves in and out of the
lungs during a normal breath
, ⩥ minute volume. Answer: The amount of air breathed in during each
respiration multiplied by the number of breaths per minute.
⩥ dead air space. Answer: air that occupies the space between the mouth
and alveoli but that does not actually reach the area of gas exchange
150mL
⩥ Preload. Answer: The precontraction pressure in the heart as the
volume of blood builds up.
⩥ Afterload. Answer: The force or resistance against which the heart
pumps.
⩥ Inhalation. Answer: breathing in Active negative pressure
⩥ Exhalation. Answer: breathing out inactive positive pressure
⩥ Plasma. Answer: Liquid part of blood
⩥ red blood cells. Answer: Blood cells that carry oxygen from the lungs
to the body cells.
⩥ white blood cells. Answer: fight infection
UPDATED QUESTIONS AND CORRECT
ANSWERS EXPERT VERIFIED GRADED A+
⩥ Mitochondria. Answer: Powerhouse of the cell
⩥ Endoplasmic Reticulum. Answer: A cell structure that forms a maze of
passageways in which proteins and other materials are carried from one
part of the cell to another.
⩥ cell membrane. Answer: A cell structure that controls which
substances can enter or leave the cell.
⩥ ATP. Answer: (adenosine triphosphate) main energy source that cells
use for most of their work
⩥ aerobic metabolism. Answer: The cellular process in which oxygen is
used to metabolize glucose. Energy is produced in an efficient manner
with minimal waste products.
⩥ tidal volume. Answer: Amount of air that moves in and out of the
lungs during a normal breath
, ⩥ minute volume. Answer: The amount of air breathed in during each
respiration multiplied by the number of breaths per minute.
⩥ dead air space. Answer: air that occupies the space between the mouth
and alveoli but that does not actually reach the area of gas exchange
150mL
⩥ Preload. Answer: The precontraction pressure in the heart as the
volume of blood builds up.
⩥ Afterload. Answer: The force or resistance against which the heart
pumps.
⩥ Inhalation. Answer: breathing in Active negative pressure
⩥ Exhalation. Answer: breathing out inactive positive pressure
⩥ Plasma. Answer: Liquid part of blood
⩥ red blood cells. Answer: Blood cells that carry oxygen from the lungs
to the body cells.
⩥ white blood cells. Answer: fight infection
