HM2 Advancement EXAM [2026/2027] | Hospital Corpsman Second Class | UPDATED QUESTIONS | CORRECT ANSWERS

HM2 Advancement EXAM [2026/2027] | Hospital Corpsman
Second Class | UPDATED QUESTIONS | CORRECT ANSWERS

• Leukocytosis can be caused by which of the following infections? -✓✓ANSWER:
meningitis

• As most ships of stations are not equipped with photometers, which of the following
test is the hemoglobin determination method this is most commonly used aboard ships?
-✓✓ANSWER: Sahili-Hellige

• A normal WBC should contain what minimum to maximum number of cells per cubic
millimeter of whole blood? -✓✓ANSWER: 4,000 to 11,000

• what chemical is considered to be the best urine preservation? -✓✓ANSWER: Toluene

• Gram-positive organisms are easily seen on a smear because they stain what color? -
✓✓ANSWER: deep blue

• The Rapid Plasma Reagin (RPR) card test is a screening test for what infection or
disease? -✓✓ANSWER: syphilis

• A hematocrit value below an individual's normal range for the sex and age indicates
which of the following conditions? -✓✓ANSWER: anemia

• The normal hematocrit value for adult female is within what range of percentages? -
✓✓ANSWER: 40%-48%

• When potable water aboard ship is tested for available chlorine residual, which
technique should be used? -✓✓ANSWER: Palin-DPD method

• The Medical Department Representative aboard ship is required to test the water for
bacteria content at what minimum interval? -✓✓ANSWER: once a week

• Early stages of cholera, the infection is transmitted by what agent? -✓✓ANSWER:
contaminated water

• Aboard ship, what minimum residual should be required in all potable water when
taken aboard from an approved source? -✓✓ANSWER: 0.2 parts per million

• Aboard ship, which of the following is the only form of chlorine that may be carried? -
✓✓ANSWER: calcium hypochlorite 70%

, • Which of the following chemicals is used in a canteen so that the water can be purified
for human consumption? -✓✓ANSWER: calcium hypochlorite

• Which of the following diseases is not a principal waterborne disease of concern in the
United States? -✓✓ANSWER: giardiasis

• The use of nonpotable water is prohibited for which of the following activities? -
✓✓ANSWER: Industrial cleaning

• Before collecting a water sample for bacteriological testing aboard ship, you should
run the water for what minimum period of time? -✓✓ANSWER: 3 minutes

• Your ship just obtain water from an area where amebiasis is endemic, what chlorine
residual must you obtain following a 30 minute contact period to make the water safe for
drinking? -✓✓ANSWER: 2.00 parts per million

• Detailed information on water supply ashore and afloat can be found in which source?
-✓✓ANSWER: Manual of Naval Preventative Medicine chapters 5&6

• Which of the following combination of water sources is not correctly matched? -
✓✓ANSWER: Surface water - Wells

• Which of the following methods should be used to control chiggers at permanent
campsites? -✓✓ANSWER: clearing and removing vegetation at the site

• What rodentcide is considered being the safest for use by medical personnel? -
✓✓ANSWER: warfarin

• What is the most common cockroach found aboard ships? -✓✓ANSWER: german

• Of the following foods used in conjuction with rat posion, which is preferred by the
Black Roof Rat? -✓✓ANSWER: fruits

• When inspecting thawed fish for freshness, which of the following signs would signal
that it has been refrozen? -✓✓ANSWER: soft flesh

• What infectious agent specifically identifies syphilis? -✓✓ANSWER: treponema
pallidum

• A sudden onset of profuse vomiting, watery diarrhea, rapid dehydration and collapse
are symptoms of which quarantinable disease? -✓✓ANSWER: cholera

• Staphylococcal Infectious agents are known to be responsible for which of the
following conditions? -✓✓ANSWER: carbuncles