#1
Which of the following is a symptom of diabetes mellitus?
Increased thirst and urination
Persistent cough
Visual hallucinations
Joint pain
#2
What is the primary function of insulin in the human body?
To increase blood sugar levels
To decrease blood sugar levels
To regulate blood pressure
To aid digestion
#3
Which vitamin deficiency is associated with the disease known as scurvy?
Vitamin A
Vitamin B12
Vitamin C
Vitamin D
#4
What is the primary function of red blood cells in the human body?
Transporting oxygen to tissues
Digesting nutrients
Producing antibodies
Regulating body temperature
#5
Which organ is affected by chronic obstructive pulmonary disease (COPD)?
#6
What is the recommended treatment for a patient with hypertension?
Antibiotics
Beta-blockers
Anticoagulants
Antihistamines
#7
What is the main characteristic of autoimmune diseases?
Excessive blood clotting
Overactive immune system attacking healthy cells
Decreased heart rate
High levels of cholesterol
#8
In which part of the digestive system does nutrient absorption primarily occur?
Stomach
Small intestine
Large intestine
Esophagus
#9
What is the primary cause of the condition known as osteoporosis?
Excessive vitamin D intake
Low calcium levels
High potassium intake
Overactive thyroid gland
#10
Which of the following is a classic symptom of migraine headaches?
Photophobia (sensitivity to light)
Hearing loss
Skin rash
Muscle weakness
#11
Which neurotransmitter is often associated with mood regulation and mental health?
Serotonin
Dopamine
Acetylcholine
GABA (Gamma-Aminobutyric Acid)
#12
What is the common cause of peptic ulcers?
Bacterial infection (H. pylori)
Excessive alcohol consumption
High intake of spicy foods
Genetic factors
#13
Which hormone is responsible for regulating metabolism in the body?
Insulin
Thyroid hormone
Estrogen
Testosterone
#14
What is the recommended first aid for someone experiencing an anaphylactic reaction?
Apply a cold compress
Offer water with lemon
Administer epinephrine (adrenaline)
Provide painkillers
#15
What is the primary treatment for celiac disease?
Antibiotics
Gluten-free diet
High-impact exercise
Blood transfusion
#16
Which neurotransmitter plays a key role in muscle contraction?
Serotonin
Dopamine
Acetylcholine
GABA (Gamma-Aminobutyric Acid)