Test Bank for Essentials of Pathophysiology: Concepts of Altered States 4th Edition by Carol Porth | Complete All Chapters Exam Questions & Verified Answers Study Guide | ISBN 9781451190809

Test Bank for Essentials of Pathophysiology: Concepts of Altered States
n n n n n n n n n




4th Edition by Carol Porth | Complete Chapter Questions & Verified A+
n n n n n n n n n n n n




Answers Study Guide | ISBN 9781451190809
n n n n n n

,Essentials of Pathophysiology 4th Edition by Porth Test Bank Chapter
n n n n n n n n n




01 - Cell Structure and Function
n n n n n n




MULTIPLE CHOICE n




(Answers are at the end of each Chapter) n n n n n n n




1. The nucleus n , which is essential for function and survival of the cell.
n n n n n n n n n n




a. is the site of protein synthesis
n n n n n




b. contains the genetic code n n n




c. transforms cellular energy n n




d. initiates aerobic metabolism n n




2. Although energy is not made in mitochondria, they are known as the power plants of the cell because they:
n n n n n n n n n n n n n n n n n n




a. contain RNA for protein synthesis. n n n n




b. utilize glycolysis for oxidative energy.
n n n n




c. extract energy from organic compounds.
n n n n




d. store calcium bonds for muscle contractions.
n n n n n




3. Although the basic structure of the cell plasma membrane is formed by a lipid bilayer, most of the
n n n n n n n n n n n n n n n n n




specific membrane functions are carried out by:
n n n n n n n




a. bound and transmembrane proteins.
n n n




b. complex, long carbohydrate chains. n n n




c. surface antigens and hormone receptors. n n n n




d. a gating system of selective ion channels.
n n n n n n




4. To effectively relay signals, cell-to-cell communication utilizes chemical messenger systems that:
n n n n n n n n n n




a. displace surface receptor proteins. n n n




b. accumulate within cell gap junctions. n n n n




c. bind to contractile microfilaments.
n n n




d. release secretions into extracellular fluid
n n n n




5. Aerobic metabolism, also known as oxidative metabolism, provides energy by:
n n n n n n n n n

, a. removing the phosphate bonds from ATP. n n n n n




b. combining hydrogen and oxygen to form water.
n n n n n n




c. activating pyruvate stored in the cytoplasm.
n n n n n




d. breaking down glucose to form lactic acid.
n n n n n n




6. Exocytosis, the reverse of endocytosis, is important in
n n n n n n n into the extracellular fluid.
n n n




a. Engulfing and ingesting fluid and proteins for transport
n n n n n n n




b. Killing, degrading, and dissolving harmful microorganisms
n n n n n




c. Removing cellular debris and releasing synthesized substances
n n n n n n




d. Destruction of particles by lysosomal enzymes for secretion n n n n n n n




7. The process responsible for generating and conducting membrane potentials is:
n n n n n n n n n




a. diffusion of current-carrying ions. n n n




b. millivoltage of electrical potential. n n n




c. polarization of charged particles. n n n




d. ion channel neurotransmission.
n n




8. Epithelial tissues are classified according to the shape of the cells and the number of layers. Which of the
n n n n n n n n n n n n n n n n n n




following is a correctly matched description and type of epithelial tissue?
n n n n n n n n n n n




a. Simple epithelium: cells in contact with intercellular matrix; some do not extend to surface
n n n n n n n n n n n n n




b. Stratified epithelium: single layer of cells; all cells rest on basement membrane
n n n n n n n n n n n




c. Glandular epithelium: arise from surface epithelia and underlying connective tissue
n n n n n n n n n




d. Pseudostratified epithelium: multiple layers of cells; deepest layer rests on basement membrane
n n n n n n n n n n n




9. Connective tissue contains fibroblasts that are responsible for:
n n n n n n n




a. providing a fibrous framework for capillaries.
n n n n n

, b. synthesis of collagen, elastin, and reticular fibers.
n n n n n n




c. forming tendons and the fascia that covers muscles.
n n n n n n n




d. filling spaces between tissues to keep organs in place.
n n n n n n n n




10. Although all muscle tissue cells have some similarities, smooth muscle (also known as involuntary
n n n n n n n n n n n n n




muscle) differs by:
n n n




A) having dense bodies attached to actin filaments.
n n n n n n




B) containing sarcomeres between Z lines and M bands. n n n n n n n




C) having rapid contractions and abundant cross-striations.
n n n n n




D) contracting in response to increased intracellular calcium. n n n n n n




11. Which of the following aspects of the function of the nucleus is performed by ribosomal RNA (rRNA)?
n n n n n n n n n n n n n n n n




A) Copying and carrying DNA instructions for protein synthesis
n n n n n n n




B) Carrying amino acids to the site of protein synthesis
n n n n n n n n




C) Providing the site where protein synthesis occurs n n n n n n




D) Regulating and controlling protein synthesis n n n n




12. Breakdown and removal of foreign substances and worn-out cell parts are performed by which of the
n n n n n n n n n n n n n n n




following organelles?
n n




A) Lysosomes


B) Golgi apparatus n




C) Ribosomes


D) Endoplasmic reticulum (ER) n n




13. Impairment in the function of peroxisomes would result in:
n n n n n n n n




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




B) an inability to transport cellular products across the cell membrane.
n n n n n n n n n