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Test Bank for Robbins and Kumar Basic Pathology 11th Edition by Kumar, Abbas, Aster, Deyrup, and Das (STUVIA)
Test Bank for Robbins and Kumar Basic Pathology 11th Edition by Kumar, Abbas, Aster, Deyrup, and Das
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Test Bank for Robbins and Kumar BasicPathology 11th Edition by Kumar, Abbas, Aster,
Deyrup, and Das
,CH 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 energy is not made in mitochondria, they are called
the power 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 the basic structure of the cell plasma membrane is
formed by a lipid bilayer, most of the specific membrane
functions are 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 effectively relay signals, cell-to-cell communicationuses
chemical 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 called 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
into 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 potentials is:
A) diffusion of current-carrying ions.
B) millivoltage of electrical potential.
C) polarization of charged particles.
D) ion channel neurotransmission.
8 Epithelial tissues are classified according to the shape of the
cells and the number of layers. Which of these is a correctly
matched description and type of epithelial tissue?
A) Simple epithelium: cells in contact with
intercellular matrix; some do not extend to
surface
, B) Stratified epithelium: single layer of cells; all
cells rest on basement membrane
C) Glandular epithelium: arise from surface
epithelia and underlying connective tissue
D) Pseudostratified epithelium: multiple layers of
cells; deepest layer rests on basement
membrane
9 Connective tissue contains fibroblasts that are responsible for:
A) providing a fibrous framework for capillaries.
B) synthesis of collagen, elastin, and reticular
fibers.
C) forming tendons and the fascia that covers
muscles.
D) filling spaces between tissues to keep organs in
place.
10 Although all muscle tissue cells have some similarities,
smooth muscle (also called involuntary muscle) differsby:
A) having dense bodies attached to actin
filaments.
B) containing sarcomeres between Z lines and M
bands.
C) having rapid contractions and abundant cross-
striations.
D) contracting in response to increased
intracellular calcium.
11 Which of these aspects of the function of the nucleusis
performed by ribosomal RNA (rRNA)?
A) Copying and carrying DNA instructions for
protein synthesis
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