#1
Which of the following is a common symptom of a sexually transmitted infection (STI)?
Rash
ExplanationSTIs like herpes or syphilis can cause skin rashes as a symptom.
#2
What blood type is considered the 'universal donor'?
O
ExplanationBlood type O lacks A and B antigens, making it compatible with other blood types.
#3
What is the primary mode of transmission for the Human Immunodeficiency Virus (HIV)?
Blood and sexual contact
ExplanationHIV is primarily transmitted through blood and sexual contact.
#4
Which blood component is responsible for clotting and preventing excessive bleeding?
Platelets
ExplanationPlatelets play a crucial role in blood clotting to prevent excessive bleeding.
#5
What is the primary method of preventing the transmission of bloodborne infections in healthcare settings?
Wearing gloves
ExplanationWearing gloves is a key preventive measure to avoid the transmission of bloodborne infections in healthcare settings.
#6
What is the primary function of red blood cells in the circulatory system?
Transporting oxygen
ExplanationRed blood cells primarily function to transport oxygen in the circulatory system.
#7
What is the most effective method to prevent the transmission of STIs?
Abstinence from sexual activity
ExplanationAbstaining from sexual activity eliminates the risk of STI transmission.
#8
Which STI is caused by the Human Papillomavirus (HPV) and can lead to cervical cancer?
Genital Warts
ExplanationGenital warts are caused by HPV, a known risk factor for cervical cancer.
#9
Which STI is known as the 'silent infection' because it often has no symptoms?
Chlamydia
ExplanationChlamydia is often asymptomatic, leading to its classification as a 'silent infection.'
#10
Which sexually transmitted infection (STI) is caused by a bacterium and can lead to pelvic inflammatory disease in women?
Chlamydia
ExplanationChlamydia, a bacterial STI, can cause pelvic inflammatory disease, particularly in women.
#11
Which STI is caused by a parasite and often presents with itching and discomfort in the genital area?
Trichomoniasis
ExplanationTrichomoniasis, caused by a parasite, leads to genital itching and discomfort.
#12
Which STI can cause genital warts and is associated with an increased risk of cancer?
Human Papillomavirus (HPV)
ExplanationHPV causes genital warts and is linked to an elevated risk of cancer.
#13
Which blood disorder is characterized by a deficiency of red blood cells or hemoglobin?
Anemia
ExplanationAnemia results from a shortage of red blood cells or hemoglobin, causing fatigue and weakness.
#14
What is the Rh factor in blood types, and why is it important during pregnancy?
It can cause complications if Rh-negative mother and Rh-positive father conceive
ExplanationRh factor mismatch during pregnancy may lead to complications, especially for an Rh-negative mother with an Rh-positive partner.
#15
In blood typing, what does the term 'positive' or 'negative' refer to?
The presence or absence of antigens on red blood cells
ExplanationPositive or negative refers to the presence or absence of antigens on red blood cells in blood typing.
#16
Which blood-related health issue is characterized by an abnormal increase in white blood cells and is often associated with cancer?
Leukemia
ExplanationLeukemia is characterized by an abnormal increase in white blood cells and is often associated with cancer.
#17
What is the purpose of the Rhesus (Rh) factor in blood typing?
Indicating the presence of antigens on red blood cells
ExplanationThe Rh factor indicates the presence of antigens on red blood cells in blood typing.
#18
What is the primary function of platelets in the blood?
Clotting and preventing bleeding
ExplanationPlatelets play a crucial role in blood clotting, preventing excessive bleeding.