#1
Which of the following is NOT a primary function of the immune system?
Protecting the body from pathogens
Maintaining fluid balance
Recognizing and eliminating abnormal cells
Generating immune memory
#2
Which of the following is a risk factor for the development of atherosclerosis?
Low-density lipoprotein (LDL) cholesterol
High-density lipoprotein (HDL) cholesterol
Elevated levels of triglycerides
Decreased blood pressure
#3
Which of the following is a risk factor for the development of type 2 diabetes mellitus?
High-fiber diet
Regular physical activity
Obesity
Low blood pressure
#4
Which of the following is a primary function of the kidneys?
Regulation of blood glucose levels
Synthesis of red blood cells
Filtration of blood and excretion of waste products
Secretion of insulin
#5
Which of the following is a risk factor for the development of chronic obstructive pulmonary disease (COPD)?
Regular exercise
Exposure to secondhand smoke
High-fiber diet
Normal lung function
#6
Which of the following is a risk factor for the development of gout?
Low-purine diet
Regular intake of alcohol
High intake of calcium-rich foods
Maintaining a healthy weight
#7
What is the term for the process by which cells convert glucose into usable energy?
Glycogenesis
Glycolysis
Glycogenolysis
Gluconeogenesis
#8
Which of the following is a characteristic of chronic inflammation?
Short duration, rapid onset
Presence of neutrophils
Tissue destruction and repair
Resolution within days
#9
What is the primary defect in cystic fibrosis?
Abnormal sodium-potassium exchange
Defective chloride transport
Insulin resistance
Impaired beta-cell function
#10
Which of the following is a hallmark feature of systemic lupus erythematosus (SLE)?
Elevated erythrocyte sedimentation rate (ESR)
Low levels of antinuclear antibodies (ANA)
Peripheral neuropathy
Presence of a butterfly rash on the face
#11
What is the primary cause of peptic ulcers?
Excessive gastric acid production
Bacterial infection with Helicobacter pylori
Impaired blood flow to the stomach lining
Defective mucus secretion
#12
Which of the following is a characteristic of acute inflammation?
Gradual onset
Presence of lymphocytes
Tissue regeneration
Increased vascular permeability
#13
What is the primary cause of rheumatoid arthritis?
Autoimmune reaction against joint tissues
Degeneration of cartilage due to aging
Bacterial infection of the joints
Overuse injury
#14
What is the primary pathophysiological mechanism underlying osteoarthritis?
Autoimmune reaction against joint tissues
Excessive production of synovial fluid
Degeneration of cartilage due to mechanical stress
Inflammation of joint synovium
#15
Which of the following is a characteristic feature of chronic renal failure?
Hyperfiltration
Increased urine production
Retention of urea and creatinine
Hypokalemia
#16
Which of the following is a hallmark sign of Type 1 diabetes mellitus?
Insulin resistance
Hyperglycemia
Ketosis
Obesity
#17
Which of the following best describes the pathophysiology of asthma?
An autoimmune disorder affecting the lungs
Chronic bronchial inflammation and airway hyperresponsiveness
Excessive mucus production in the alveoli
Decreased pulmonary blood flow
#18
Which of the following is a characteristic feature of Alzheimer's disease?
Peripheral neuropathy
Lewy bodies in neurons
Amyloid plaques and neurofibrillary tangles
Motor neuron degeneration
#19
What is the primary pathophysiological mechanism underlying acute respiratory distress syndrome (ARDS)?
Hyperventilation
Impaired alveolar gas exchange
Decreased capillary permeability
Increased pulmonary compliance
#20
Which of the following is a characteristic feature of Parkinson's disease?
Amyloid plaques in the brain
Excessive dopamine production
Presence of Lewy bodies in neurons
Enhanced motor coordination
#21
What is the main pathophysiological consequence of congestive heart failure?
Decreased preload
Increased cardiac output
Impaired myocardial contractility
Enhanced venous return
#22
Which of the following is a characteristic feature of multiple sclerosis?
Degeneration of peripheral nerves
Presence of Lewy bodies in neurons
Demyelination of central nervous system neurons
Enhanced muscle coordination
#23
What is the primary pathophysiological mechanism underlying septic shock?
Vasodilation and increased vascular permeability
Decreased heart rate and blood pressure
Excessive blood clot formation
Impaired coagulation cascade
#24
Which of the following is a characteristic feature of Crohn's disease?
Continuous inflammation throughout the colon
Formation of diverticula in the colon
Transmural inflammation with skip lesions
Presence of pseudopolyps
#25
What is the primary defect in hemophilia?
Deficiency in vitamin K
Impaired platelet aggregation
Abnormal clotting factor function
Decreased erythropoietin production