NBME HISTOLOGY TEST |ACTUAL QUESTIONS AND VERIFIED ANSWERS|BRAND NEW UPDATE|GRADED A+

Question 1

10% formalin is the same as which one of the following?

A) 1% formaldehyde

B) 4% formaldehyde

C) 37% to 40% formaldehyde

D) 10% formaldehyde
CORRECT ANSWER

B) 4% formaldehyde




Question 2

Which of the following applies to glutaraldehyde?

A) remains stable even if ph level falls

B) tissues are fixed rapidly

C) best for thick tissue specimens

D) tissues are fixed as it penetrates
CORRECT ANSWER

D) tissues are fixed as it penetrates




Question 3

To prevent formalin pigment formation in tissues, formalin should be:

A) precipitated


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,B) coagulated

C) acidified

D) buffered

CORRECT ANSWER

D) buffered




Question 4

Which of the following must be removed with a volatile hydrocarbon prior to
impregnation?

A) cedarwood oil

B) chloroform

C) carbon bisulfide

D) carbon tetrachloride

CORRECT ANSWER

A) cedarwood oil




Question 5

What is the meaning of the W in the diagram?

A) water soluble

B) water based

C) water neutral

D) water reactive

CORRECT ANSWER

Water reactive




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, Question 6

Which one of the following elements would absolute ethanol be a poor choice to select to
use as a fixative?

A) glycogen

B) pigments

C) blood

D) lipids

CORRECT ANSWER

D) lipids




Question 7

Refer to the schedule shown below. If processing was scheduled to begin at 8:00 am on
Monday, at what time on Tuesday will the tissues be ready to embed?

A) 5:00pm

B) 7:00 pm

C) 6:00 pm

D) 4:00 pm

CORRECT ANSWER

A) 5:00pm




Question 8

Which of the following types of extinguishers should be used on a fire involving
formaldehyde?

A) A

B) B

C) C


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