#1
Which of the following is a symptom of diabetes mellitus?
Increased thirst and urination
ExplanationCommon symptoms due to high blood sugar levels.
#2
What is the common name for the infectious disease varicella?
Chickenpox
ExplanationCharacterized by itchy rash and fever.
#3
Which of the following is a neurodegenerative disorder characterized by memory loss and cognitive decline?
Alzheimer's disease
ExplanationProgressive brain disorder affecting memory and thinking.
#4
Which autoimmune disorder affects the joints, causing pain, swelling, and stiffness?
Rheumatoid arthritis
ExplanationBody's immune system attacks joint tissues.
#5
Which of the following is a chronic skin condition characterized by red, itchy, and scaly patches?
Psoriasis
ExplanationImmune-mediated skin disorder.
#6
What is the primary function of the respiratory system?
Transportation of oxygen
ExplanationFacilitates oxygen delivery to cells and removes carbon dioxide.
#7
Which condition is characterized by the inflammation of the joints?
Arthritis
ExplanationInflammation causing pain and stiffness in joints.
#8
Which of the following is a characteristic symptom of a migraine headache?
Throbbing pain on one side of the head
ExplanationPain often accompanied by nausea and sensitivity to light.
#9
What is the primary cause of chronic obstructive pulmonary disease (COPD)?
Long-term exposure to irritating gases or particulate matter
ExplanationLeading cause is cigarette smoking.
#10
What is the primary function of the spleen in the human body?
Immune response and blood filtration
ExplanationFilters blood and stores white blood cells.
#11
Which of the following is a viral infection that affects the liver?
Hepatitis
ExplanationInflammation of liver caused by viral infection.
#12
What is the role of insulin in the human body?
To promote glucose uptake by cells
ExplanationRegulates blood sugar levels by facilitating glucose absorption.
#13
In which organ does the majority of nutrient absorption occur in the digestive system?
Small intestine
ExplanationLining of small intestine absorbs nutrients into bloodstream.
#14
Which hormone is responsible for regulating the sleep-wake cycle?
Melatonin
ExplanationSecreted by pineal gland, regulates sleep patterns.
#15
What is the role of the kidneys in the human body?
Filtration of blood and waste excretion
ExplanationRegulate fluid balance and remove waste products.
#16
What is the primary cause of peptic ulcers?
Bacterial infection
ExplanationHelicobacter pylori bacteria or NSAID use.
#17
Which hormone is responsible for regulating metabolism and energy balance?
Thyroxine (T4)
ExplanationSecreted by thyroid gland, controls metabolism.