#1
Which of the following is a common symptom of diabetes mellitus?
Polyuria
ExplanationExcessive urination due to elevated blood sugar levels.
#2
Which of the following is a common symptom of chronic kidney disease?
Hematuria
ExplanationPresence of blood in urine due to kidney damage.
#3
Which of the following is a characteristic clinical manifestation of multiple sclerosis?
Muscle weakness
ExplanationWeakness and lack of coordination due to nerve damage.
#4
Which of the following is a key symptom of Parkinson's disease?
Tremors and bradykinesia
ExplanationResting tremors and slowness of movement.
#5
Which of the following is a common symptom of hypothyroidism?
Fatigue and cold intolerance
ExplanationFeeling tired and intolerance to cold due to underactive thyroid gland.
#6
What is the primary pathophysiological mechanism in asthma?
Airway inflammation and bronchoconstriction
ExplanationInflammation and narrowing of airways causing breathing difficulties.
#7
In which organ does the majority of digestion and nutrient absorption occur?
Small intestine
ExplanationDigestion of food and absorption of nutrients primarily occur in the small intestine.
#8
What is the main pathophysiological mechanism in heart failure?
Impaired contractility
ExplanationHeart's inability to pump blood effectively due to weakened muscle.
#9
Which neurotransmitter is commonly associated with depression?
Serotonin
ExplanationSerotonin imbalance in the brain is linked with depressive symptoms.
#10
What is the primary pathophysiological feature of chronic obstructive pulmonary disease (COPD)?
Airway inflammation
ExplanationChronic inflammation and narrowing of the airways leading to breathing difficulties.
#11
Which hormone is responsible for regulating water and electrolyte balance?
Aldosterone
ExplanationAldosterone helps maintain blood pressure and electrolyte balance.
#12
What is the primary pathophysiological mechanism in inflammatory bowel disease (IBD)?
Immune-mediated inflammation
ExplanationImmune system attacks the gastrointestinal tract causing inflammation.
#13
Which hormone is responsible for regulating blood calcium levels?
Parathyroid hormone
ExplanationParathyroid hormone controls calcium levels in the blood and bones.
#14
What characterizes the pathophysiology of rheumatoid arthritis?
Inflammation of synovial membrane
ExplanationInflammation of the lining of joints causing pain and stiffness.
#15
In which condition is there a deficiency of insulin and elevated blood glucose levels?
Type 1 diabetes
ExplanationBody's inability to produce insulin leading to high blood sugar.
#16
What is the primary cause of peptic ulcers?
Helicobacter pylori infection
ExplanationBacterial infection causing ulcers in the stomach lining.
#17
What characterizes the pathophysiology of Alzheimer's disease?
Amyloid plaques and neurofibrillary tangles
ExplanationAccumulation of abnormal protein deposits in the brain.
#18
In which condition is there a defect in the clotting factor VIII, leading to prolonged bleeding?
Hemophilia A
ExplanationGenetic deficiency of clotting factor VIII causing bleeding disorders.
#19
What is the primary pathophysiological change in chronic myeloid leukemia (CML)?
Uncontrolled myeloid cell proliferation
ExplanationAbnormal growth and accumulation of myeloid cells in the bone marrow.