#1
Which of the following is a vector-borne disease?
Malaria
ExplanationMalaria is transmitted by vectors like mosquitoes.
#2
What is the major risk factor for developing Type 2 diabetes?
Genetic factors
ExplanationGenetics plays a significant role in Type 2 diabetes development.
#3
Which organ is primarily affected by cirrhosis?
Liver
ExplanationCirrhosis mainly affects the liver.
#4
Which of the following is a non-communicable disease?
Hypertension
ExplanationHypertension is not transmitted between individuals.
#5
Which of the following is a risk factor for developing cardiovascular diseases?
Smoking tobacco
ExplanationSmoking tobacco is a significant risk factor for cardiovascular diseases.
#6
What is the primary function of insulin in the body?
Facilitating the absorption of glucose by cells
ExplanationInsulin helps cells absorb glucose for energy.
#7
In which phase of the cell cycle does DNA replication occur?
S phase
ExplanationDNA replication happens during the Synthesis (S) phase.
#8
What is the primary mode of transmission for the Human Immunodeficiency Virus (HIV)?
Sexual contact
ExplanationHIV is primarily transmitted through sexual contact.
#9
What is the primary cause of antibiotic resistance?
Excessive antibiotic use
ExplanationOveruse of antibiotics leads to antibiotic resistance.
#10
What is the main function of the respiratory system in the human body?
Transporting oxygen to cells and removing carbon dioxide
ExplanationThe respiratory system ensures oxygen transport and carbon dioxide removal.
#11
What is the primary route of transmission for the Zika virus?
Mosquito bites
ExplanationZika virus is primarily transmitted through mosquito bites.
#12
What is the primary function of red blood cells in the circulatory system?
Transporting oxygen
ExplanationRed blood cells primarily transport oxygen.
#13
What is the role of histamine in allergic reactions?
Causing vasodilation and increased permeability
ExplanationHistamine widens blood vessels and increases their permeability.
#14
Which of the following is a characteristic feature of autoimmune diseases?
Attacks on the body's own tissues
ExplanationAutoimmune diseases involve the immune system attacking the body's own tissues.
#15
Which of the following is a characteristic symptom of Parkinson's disease?
Tremors and stiffness
ExplanationParkinson's disease is characterized by tremors and stiffness.
#16
What is the primary function of the lymphatic system?
Filtering and draining excess fluids from tissues
ExplanationThe lymphatic system filters and drains excess fluids from tissues.
#17
Which of the following is a characteristic feature of Alzheimer's disease?
Memory loss and cognitive decline
ExplanationAlzheimer's disease is characterized by memory loss and cognitive decline.
#18
What is the primary mode of transmission for the Ebola virus?
Blood and bodily fluids
ExplanationEbola virus is mainly transmitted through blood and bodily fluids.
#19
What is the primary function of the endocrine system in the human body?
Regulating hormones and signaling
ExplanationThe endocrine system regulates hormones and intercellular communication.