PATHO PRACTICE QUIZ/PRACTICE QUIZ QUESTIONS & ANSWERS PATHOPHYSIOLOGY

WEEK ONE TOPIC: CELLULAR INJURY, ADAPTATION AND CELL DEATH 1. Which cellular organelle is responsible for energy production? a. Nucleus b. Mitochondria c. Ribosomes d. Endoplasmic reticulum Ans B 2. Movement of water across membranes following its concentration gradient occurs through a. Facilitated diffusion b. Active transport c. Osmosis d. Pinocytosis Ans C 3. Which molecule is the “energy currency” of the cell? a. Sugar b. Amino acids c. ATP d. GTP Ans C 4. A 75-year-old female with Alzheimer’s disease has increased lipid peroxidation secondary to free-radical production. Lipid peroxidation results in a. Organelle membrane reconstruction b. Increased lipid transportation c. Increased protein synthesis d. Cell membrane damage Ans D 5. In response to an increased workload, myocardial cells will a. Increase in size b. Decrease in length c. Increase in excitability d. Increase in number Ans A 6. A 40-year-old female is undergoing treatment for cervical cancer. Which cellular change is most likely to be associated with her cancer? a. Metaplasia b. Atrophy c. Hypertrophy d. Dysplasia Ans D 7. A 50-year-old male with a 30-year history of smoking is examined for a respiratory problem. Examination of his airway (bronchi) reveals that stratified squamous epithelial cells have replaced the normal columnar ciliated epithelium. The type of cellular adaptation seen is called? a. Hypertrophy b. Hyperplasia c. Metaplasia d. Dysplasia Ans C 8. Which of the following is an active cell death process? a. Necrosis b. Lysis c. Apoptosis d. Senescence Ans C