Please answer all questions

1		Sexually transmitted diseases are __________
			A)	rare
			B)	a major worldwide health problem
			C)	caused only by bacteria
			D)	None of these is correct.
2		The pathogens that cause AIDS and genital herpes in humans are _____.
			A)	bacteria
			B)	fungi
			C)	viruses
			D)	protozoans
3		Two types of human immunodeficiency viruses (HIV) are known to exist. What type of more common in the Unites States?
			A)	HIV-1
			B)	HIV-2
			C)	HIV-1C
			D)	HIV-3
4		During the first stage of HIV infection, the affected individual is a highly contagious ________ carrier.
			A)	infected
			B)	affected
			C)	asymptomatic
			D)	primary
5		Symptoms of the third (final) stage of HIV infection, known as AIDS, are ___________.
			A)	T lymphocyte count of less than 200 per mm3
			B)	at least one opportunistic infection
			C)	antibiotic resistance
			D)	Both A and B are correct.
6		Human papillomaviruses cause ______________.
			A)	genital warts
			B)	plantar warts
			C)	common warts
			D)	All of these are correct.
7		Human papilloma viruses (HPVs) are associated with ____________.
			A)	cancer of the cervix
			B)	skin cancer
			C)	lung cancer
			D)	none of the above
8		The age group that seems particularly susceptible to HPV infections is ______________.
			A)	students of college age
			B)	teenagers
			C)	middle-aged adults
			D)	senior citizens
9		Herpes simplex virus type 2 usually causes ________.
			A)	genital herpes
			B)	cold sores/fever blisters
10		What type of hepatitis is transmitted in the same manner as HIV and can lead to liver failure?
			A)	Hepatitis A
			B)	Hepatitis B
			C)	Hepatitis C
			D)	Hepatitis E
11		Chlamydia is caused by _______________.
			A)	a virus
			B)	a bacterium
			C)	a fungus
12		The bacterium Neisseria gonorrhoeae causes ________.
			A)	botulism
			B)	strep throat
			C)	gonorrhea
			D)	syphilis
13		Symptoms of gonorrhea include _____________.
			A)	painful urination
			B)	milky urethral discharge
			C)	Infected individuals may be asymptomatic.
			D)	All of these are correct.
14		Syphilis has ________ stages.
			A)	one
			B)	two
			C)	three
			D)	four
15		Vaginitis can be caused by _____________.
			A)	a virus
			B)	yeast
			C)	protozoan
			D)	both B and C
16		Pubic lice can ________.
			A)	be self-diagnosed and treated
			B)	be spread by contact with infected clothing or bedding
			C)	both A and B
			D)	neither A nor B