Which is now the leading cause of throat (oropharyngeal) cancer in the US?
A) Tobacco
B) Alcohol
C) HPV infection (often linked to oral sex exposure)
D) Air pollution
Bonus: What type of cancer is this referring to in the throat region?
Which antibody passes from mother to baby through the placenta, and is different from the antibody mainly found in colostrum?
A) IgA
B) IgM
C) IgG
D) IgE
Bonus hint:
One gives protection before birth, the other protects the baby’s gut after birth through breast milk.
Which situation carries the HIGHEST risk of HIV transmission from a single exposure?
A) Unprotected vaginal sex
B) Unprotected anal sex
C) Needle-stick injury in a healthcare worker
D) Oral sex
Bonus: Why is the risk different?
A man crashes his motorcycle and strikes the fuel tank before being thrown off.
Soon after, he develops: • Blood at the urinary opening
• Severe pain between the legs
• Rapid scrotal swelling
• Inability to pass urine
The video shows the next step in management.
Should a catheter be inserted through the urethra?
What procedure is being performed in the video?
What injury does this patient most likely have?
A person with diabetes skips meals. After some time, he starts feeling shaky, sweaty, weak, and confused.
What is happening?
A) Brain stroke
B) Low blood sugar
C) Kidney failure
D) Food poisoning
Bonus: What causes these sudden symptoms?