AST Practice Exam #6 Questions and
Answers 100% Pass
The plicae circulares, microvilli and villi:
A. Produce bacteria
B. Increase absorption area
C. Secrete digestive enzymes
D. Initiate peristalsis - ✔✔B. Increase absorption area
The microvilli, villi, and the plicae circulares increase the surface area for absorption
and digestion in the small intestine.
Which of the following come as numbered sets frequently used in neurosurgical
procedures?
A. Lacrimal probes
B. Hegar dilators
C. Van Buren sounds
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,D. Penfield dissectors - ✔✔D. Penfield dissectors
Penfield dissectors are used to separate the dura mater from the cranium during a
craniotomy. The Penfield is atraumatic and its use prevents tearing the dura mater.
What pathogen is most commonly associated with surgical wound infections?
A. Staphylococcus aureus
B. Klebsiella pneumonia
C. Bacteroides fragilis
D. Clostridium tetani - ✔✔A. Staphylococcus aureus
Staphylococcus aureus is a common flora of the skin and also thrives in the nares of the
nose which are the primary source of the microorganism in the operating room.
Padgett and Reese are types of:
A. Retractors
B. Catheters
C. Dermatomes
D. Implants - ✔✔C. Dermatomes
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,Padgett and Reese are types of dermatomes used to take skin grafts.
Which of the following is a uterine dressing forceps?
A. Schubert
B. Bozeman
C. Staude
D. Ballantine - ✔✔B. Bozeman
Bozeman forceps are long with a double curve and are included in a D & C instrument
set.
Which burn degree classification involves erythema without blisters?
A. First
B. Second
C. Third
D. Fourth - ✔✔A. First
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, A sunburn usually only involves the epidermis (first degree) and is characterized by
erythema, but not blisters.
What instrument is used to remove plaque during a carotid endarterectomy?
A. Allis
B. Freer
C. Ferris-Smith
D. Potts-Smith - ✔✔B. Freer
During an endarterectomy, loosely attached plaque can be removed from the carotid
artery with the use of a Freer elevator.
Which of the following neuroglia are star-shaped?
A. Ependyma
B. Oligodendroglia
C. Astrocytes
D. Dermoid - ✔✔C. Astrocytes
Astrocytes are starshaped neuroglia that attach neurons to their blood vessels.
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Answers 100% Pass
The plicae circulares, microvilli and villi:
A. Produce bacteria
B. Increase absorption area
C. Secrete digestive enzymes
D. Initiate peristalsis - ✔✔B. Increase absorption area
The microvilli, villi, and the plicae circulares increase the surface area for absorption
and digestion in the small intestine.
Which of the following come as numbered sets frequently used in neurosurgical
procedures?
A. Lacrimal probes
B. Hegar dilators
C. Van Buren sounds
Katelyn Whitman, All Rights Reserved © 2025 1
,D. Penfield dissectors - ✔✔D. Penfield dissectors
Penfield dissectors are used to separate the dura mater from the cranium during a
craniotomy. The Penfield is atraumatic and its use prevents tearing the dura mater.
What pathogen is most commonly associated with surgical wound infections?
A. Staphylococcus aureus
B. Klebsiella pneumonia
C. Bacteroides fragilis
D. Clostridium tetani - ✔✔A. Staphylococcus aureus
Staphylococcus aureus is a common flora of the skin and also thrives in the nares of the
nose which are the primary source of the microorganism in the operating room.
Padgett and Reese are types of:
A. Retractors
B. Catheters
C. Dermatomes
D. Implants - ✔✔C. Dermatomes
Katelyn Whitman, All Rights Reserved © 2025 2
,Padgett and Reese are types of dermatomes used to take skin grafts.
Which of the following is a uterine dressing forceps?
A. Schubert
B. Bozeman
C. Staude
D. Ballantine - ✔✔B. Bozeman
Bozeman forceps are long with a double curve and are included in a D & C instrument
set.
Which burn degree classification involves erythema without blisters?
A. First
B. Second
C. Third
D. Fourth - ✔✔A. First
Katelyn Whitman, All Rights Reserved © 2025 3
, A sunburn usually only involves the epidermis (first degree) and is characterized by
erythema, but not blisters.
What instrument is used to remove plaque during a carotid endarterectomy?
A. Allis
B. Freer
C. Ferris-Smith
D. Potts-Smith - ✔✔B. Freer
During an endarterectomy, loosely attached plaque can be removed from the carotid
artery with the use of a Freer elevator.
Which of the following neuroglia are star-shaped?
A. Ependyma
B. Oligodendroglia
C. Astrocytes
D. Dermoid - ✔✔C. Astrocytes
Astrocytes are starshaped neuroglia that attach neurons to their blood vessels.
Katelyn Whitman, All Rights Reserved © 2025 4
