#1
In cellular adaptation, hypertrophy is best defined as:
Increase in cell number
Increase in cell size
Change in cell type
Cell death
#2
What is the main function of the endocrine system?
Transport of oxygen
Coordination of voluntary movements
Regulation of body functions through hormones
Digestion of food
#3
What is the primary function of erythrocytes (red blood cells) in the bloodstream?
Carry oxygen to tissues
Fight infections
Clotting of blood
Regulate blood pressure
#4
What is the primary function of the respiratory system?
Pump blood throughout the body
Exchange gases (oxygen and carbon dioxide) with the environment
Filter and eliminate waste products from the blood
Produce and release hormones
#5
Which of the following conditions is characterized by abnormal accumulation of fluid in the interstitial spaces?
Edema
Ascites
Hydrocele
Emphysema
#6
What is the primary function of the lymphatic system?
Produce red blood cells
Maintain electrolyte balance
Filter and return tissue fluid to the bloodstream
Produce digestive enzymes
#7
Which of the following is a characteristic of chronic inflammation?
Rapid onset
Resolution of tissue damage
Predominantly neutrophil infiltration
Prolonged duration and tissue destruction
#8
What is the primary function of the complement system?
Phagocytosis
Blood clotting
Antibody production
Cellular immunity
#9
Which of the following best describes the term 'ischemia'?
Excessive blood flow to a tissue
Inadequate blood flow to a tissue
Abnormal cell proliferation
Enhanced tissue oxygenation
#10
Which of the following is a characteristic feature of autoimmune diseases?
Decreased immune response
Tolerance to self-antigens
Inflammation caused by infection
Immune response against own tissues
#11
Which of the following is a characteristic of septic shock?
Hypotension without infection
Hyperglycemia
Infection leading to systemic inflammation and organ failure
Increased blood viscosity
#12
What is the primary role of platelets in hemostasis?
Dissolve blood clots
Initiate blood clot formation
Transport oxygen
Phagocytosis of bacteria
#13
Which of the following is a hallmark feature of apoptosis?
Cell swelling
Inflammatory response
Nuclear fragmentation
Increased cell size
#14
Which of the following is a characteristic of Type 2 hypersensitivity reaction?
IgE-mediated
Tissue-specific autoimmune
Immune complex-mediated
Delayed-type hypersensitivity
#15
Which of the following is a characteristic of neurodegenerative diseases?
Rapid healing and recovery
Loss of function and structure of neurons
Enhanced neuroplasticity
Increased production of neurons
#16
In the context of cellular communication, what is the role of neurotransmitters?
Transport oxygen in the blood
Facilitate communication between nerve cells
Regulate blood pressure
Initiate immune responses
#17
In the context of coagulation, what is the function of fibrin?
Prevent blood clotting
Promote blood clotting
Transport oxygen
Regulate blood pressure
#18
Which of the following is a characteristic feature of multiple sclerosis?
Increased production of myelin
Inflammation of joints
Degeneration of the myelin sheath in the central nervous system
Enhanced synaptic transmission