ABBAS TEST BANK| UPDATED 2026 | COMPLETE
GUIDE A+|ALL CHAPTERS AVAILABLE|QUESTIONS
AND 100% CORRECT ANSWER KEY
,Chapter 1. The Cell as a Unit of Health and
Disease
1 The nucleus , which is essential for function and
survival of the cell.
A) Is the site of protein synthesis
B) Contains the genetic code
C) Transforms cellular energy
D) Initiates aerobic metabolism
2 Although en er gy is not made in mitochondria, they are known
as the powe r plants of the cell because they:
A) Contain RNA for protein synthesis.
B) Utilize glycolysis for oxidative energy.
C) Extract energy from organic compounds.
D) Store calcium bonds for muscle contractions.
3 Although th e basic structure of the cell plasma membrane is
formed by a lipid bilayer, most of the specific membrane
functions ar e carried out by:
A) Bound and transmembrane proteins.
B) Complex, long carbohydrate chains.
C) Surface antigens and hormone receptors.
D) A gating system of selective ion channels.
4 To effective ly relay signals, cell-to-cell communication utilizes
che mical messenger systems that:
A) Displace surface receptor proteins.
B) Accumulate within cell gap junctions.
,C) Bind to contractile microfilaments.
D) Release secretions into extracellular fluid.
5 Aerobic metabolism, also known as oxidative metabolism,
provides energy by:
A) Removing the phosphate bonds from
ATP.
B) Combining hydrogen and oxygen to form
water.
C) Activating pyruvate stored in the cytoplasm.
D Breaking down glucose to form lactic acid.
)
6 Exocytosis, the reverse of endocytosis, is important in
int o the extracellular fluid.
A) Engulfing and ingesting fluid and proteins for
Transport
B) Killing, degrading, and dissolving harmful
microorganisms
C) Removing cellular debris and releasing
Synthesized substances
D Destruction of particles by lysosomal enzymes
) for secretion
7 The process responsible for generating and conducting
membrane p otentials is:
A) Diffusion of current-carrying ions.
B) Millivoltage of electrical potential.
C) Polarization of charged particles.
, D Ion channel neurotransmission.
)
8 Epithelial ti ssues are classified according to the shape of the
cells and the n umber of layers. Which of the following is a
correctly ma tc hed description and type of epithelial tissue?
A) Simple epithelium: cells in contact with
Intercellular matrix; some do not extend to
Surface