TEST BANK For Robbins & Kumar Basic Pathology, 11th Edition by Vinay Kumar, Abul K. Abba, Verified Chapters 1 - 24, Complete Newest Version.pdf

Robbins Basic Pathology Kymar Abbas Test Bank
m m m m m m




Chapterm1.mThemCellmasmamUnit mof mHealthmand mDisease
1 The nucleus m m


, which is essential for function and
m m m m m m


msurvival of the cell. m m m


A) is the site of protein synthesis m m m m m



B) contains the genetic code m m m



C) transforms cellular energy m m



D) initiates aerobic metabolism m m



2 Although energy is not made in mitochondria, they are known
m m m m m m m m m m


as the power plants of the cell because they:
m m m m m m m m



A) contain RNA for protein synthesis.
m m m m



B) utilize glycolysis for oxidative energy.
m m m m



C) extract energy from organic compounds.
m m m m



D) store calcium bonds for muscle contractions.
m m m m m



3 Although the basic structure of the cell plasma membrane is fo
m m m m m m m m m m


rmed by a lipid bilayer, most of the specific membrane functi
m m m m m m m m m m


ons are carried out by:
m m m m



A) bound and transmembrane proteins.
m m m



B) complex, long carbohydrate chains. m m m



C) surface antigens and hormone receptors.
m m m m



D) a gating system of selective ion channels.
m m m m m m



4 To effectively relay signals, cell-to-
m m m m


cell communication utilizes chemical messenger systems th
m m m m m m


at:
A) displace surface receptor proteins. m m m



B) accumulate within cell gap junctions. m m m m



C) bind to contractile microfilaments.
m m m

,D) release secretions into extracellular fluid.
m m m m



5 Aerobic metabolism, also known as oxidative metabolism,
m m m m m m m


provides energy by:
m m



A) removing the phosphate bonds from ATP.
m m m m m



B) combining hydrogen and oxygen to form wate
m m m m m m


r.
C) activating pyruvate stored in the cytoplasm.
m m m m m



D) breaking down glucose to form lactic acid.
m m m m m m



6 Exocytosis, the reverse of endocytosis, is important in
m m m m m m m


into the extracellular fluid.
m m m



A) Engulfing and ingesting fluid and proteins for tra m m m m m m mm


nsport
B) Killing, degrading, and dissolving harmful microo
m m m m m


rganisms
C) Removing cellular debris and releasing synthesiz
m m m m mm


ed substances
m



D) Destruction of particles by lysosomal enzymes
m m m m m m


for secretion
m



7 The process responsible for generating and conducting me
m m m m m m m


mbrane potentials is:
m m



A) diffusion of current-carrying ions.
m m m



B) millivoltage of electrical potential. m m m



C) polarization of charged particles. m m m



D) ion channel neurotransmission.
m m



8 Epithelial tissues are classified according to the shape of the c
m m m m m m m m m m


ells and the number of layers. Which of the following is a cor
m m m m m m m m m m m m


rectly matched description and type of epithelial tissue?
m m m m m m m

,A) Simple epithelium: cells in contact with inter
m m m m m mm


cellular matrix; some do not extend to surface
m m m m m m mm




B) Stratified epithelium: single layer of cells; all
m m m m m m m


cells rest on basement membrane
m m m m



C) Glandular epithelium: arise from surface epit
m m m m mm


helia and underlying connective tissue
m m m m



D) Pseudostratified epithelium: multiple layers of m m m m


mcells; deepest layer rests on basement membr
m m m m m m


ane
9 Connective tissue contains fibroblasts that are responsible for:
m m m m m m m



A) providing a fibrous framework for capillaries.
m m m m m



B) synthesis of collagen, elastin, and reticular fib
m m m m m m


ers.
C) forming tendons and the fascia that covers muscl
m m m m m m mm


es.
D) filling spaces between tissues to keep organs in pl
m m m m m m m m


ace.
10 Although all muscle tissue cells have some similarities, sm
m m m m m m m m


ooth muscle (also known as involuntary muscle) differs by:
m m m m m m m m




A) having dense bodies attached to actin filament
m m m m m mm


s.
B) containing sarcomeres between Z lines and M ban
m m m m m m m


ds.
C) having rapid contractions and abundant cross-
m m m m m


mstriations.
D) contracting in response to increased intracellul
m m m m m


ar calcium.
m

, 11 Which of the following aspects of the function of the nucleus i
m m m m m m m m m m m


s performed by ribosomal RNA (rRNA)?
m m m m m



A) Copying and carrying DNA instructions for prote m m m m m mm


in synthesis m




B) Carrying amino acids to the site of protein synthes
m m m m m m m m


is
C) Providing the site where protein synthesis occ
m m m m m mm


urs
D) Regulating and controlling protein synthesis
m m m m



12 Breakdown and removal of foreign substances and worn-
m m m m m m m


out cell parts are performed by which of the following organe
m m m m m m m m m m


lles?
A) Lysosomes
B) Golgi apparatus m



C) Ribosomes
D) Endoplasmic reticulum (ER) m m



13 Impairment in the function of peroxisomes would result in:
m m m m m m m m



A) inadequate sites for protein synthesis. m m m m



B) an inability to transport cellular products acros
m m m m m m


s the cell membrane.
m m m



C) insufficient energy production within a cell.
m m m m m



D) accumulation of free radicals in the cytoplasm. m m m m m m



14 After several months of trying to conceive, a couple is under
m m m m m m m m m m


going fertility testing. Semen analysis indicates that the mans
m m m m m m m m


msperm have decreased motility, a finding that is thought to un
m m m m m m m m m m


derlie the couples inability to become pregnant. Which of the
m m m m m m m m m


following cellular components may be defective within the
m m m m m m m m m


mans sperm? m



A) Ribosomes
B) Microtubules