#1
What is the primary function of the lymphatic system in the body?
Transport oxygen to cells
Filter and return lymph to the bloodstream
Produce and release hormones
Digest and absorb nutrients
#2
What is the primary role of the renin-angiotensin-aldosterone system (RAAS) in the body?
Regulation of blood pressure
Digestion of fats
Oxygen transport
Muscle contraction
#3
What is the primary role of bile in digestion?
Emulsification of fats
Neutralization of stomach acid
Absorption of water
Activation of enzymes
#4
Which of the following is a characteristic of hyperplasia?
Decreased cell number
Abnormal cell size
Increased cell division
Loss of cell function
#5
Which of the following is a characteristic feature of inflammation?
Vasoconstriction
Decreased blood flow
Increased vascular permeability
Reduced leukocyte migration
#6
In which organ does gluconeogenesis primarily occur?
#7
Which of the following is a characteristic of autoimmune diseases?
Enhanced immune tolerance
Attacks against self tissues
Normal functioning of the immune system
High susceptibility to infections
#8
What is the primary function of surfactant in the lungs?
Promote inflammation
Facilitate gas exchange
Digest nutrients
Store blood
#9
What is the primary function of the parathyroid hormone (PTH) in the body?
Regulation of blood sugar
Maintenance of calcium homeostasis
Control of body temperature
Promotion of water reabsorption
#10
In which phase of the cardiac cycle does ventricular contraction occur?
Atrial systole
Ventricular diastole
Ventricular systole
Atrial diastole
#11
What is the primary function of insulin in the body?
Stimulate glycogen breakdown
Promote glucose uptake by cells
Increase blood pressure
Inhibit protein synthesis
#12
What is the primary role of the complement system in the immune response?
Phagocytosis of bacteria
Stimulate insulin secretion
Produce antibodies
Inhibit blood clotting
#13
What is the primary function of bile in digestion?
Emulsify fats
Neutralize stomach acid
Absorb nutrients
Stimulate insulin production
#14
What is the primary role of the thymus in the immune system?
Filtering blood
Maturation of T lymphocytes
Storage of red blood cells
Synthesis of antibodies
#15
Which of the following is a characteristic of Type 2 diabetes mellitus?
Insulin resistance
Autoimmune destruction of beta cells
Dependence on insulin injections
Rapid onset in childhood
#16
Which of the following is a key component of the coagulation cascade?
Fibrinolysis
Platelet aggregation
Complement activation
Nitric oxide synthesis
#17
What is the role of cytokines in the immune response?
Inhibit cell division
Promote inflammation
Store energy
Synthesize antibodies
#18
Which hormone is responsible for stimulating the production of red blood cells?
Insulin
Cortisol
Erythropoietin
Thyroxine
#19
Which of the following is a common feature of neurodegenerative diseases?
Rapid cell division
Increased synaptic plasticity
Progressive loss of neurons
Enhanced memory formation
#20
Which of the following is a characteristic feature of chronic inflammation?
Rapid onset
Presence of neutrophils
Tissue destruction and repair
Limited duration
#21
Which of the following is a neurotransmitter associated with pleasure and reward?
Serotonin
Dopamine
GABA
Acetylcholine
#22
Which of the following is a characteristic of chronic inflammation?
Short duration
Presence of neutrophils
Tissue repair and healing
Limited tissue damage
#23
Which of the following is a characteristic feature of apoptosis?
Inflammation
Cell shrinkage and fragmentation
Uncontrolled cell growth
Enhanced cell division
#24
Which of the following is a characteristic of hypernatremia?
Low blood sodium levels
Excessive water retention
Increased urine production
High blood sodium levels