CST Practice Test #3 (1-175) with All
Solutions Correct| Latest Update
2026| Get It Right
The structure that lies along the posterior border of the testis is the:
A. prostate
B. epididymis
C. tunica vaginalis
D. ejaculatory duct - Ans--B. The epididmis is a comma-shaped organ that
lies along the posterior border of the testis.
The valve between the left atrium and left ventricle is the:
A. bicuspid
B. tricuspid
C. aortic semilunar
D. pulmonary semilunar - Ans--A. The valve between the left atrium and left
ventricle is referred to as either the mitral or bicuspid valve.
What is the most abundant ion in the body?
A. calcium
B. sodium
C. potassium
D. magnesium - Ans--A. Calcium is the most abundant ion in the body.
Which of the follwoing is a method of bacterial survival when enviromental
conditions are not conducive to growth and viability?
A. conjugation
B. transduction
C. spore formation
D. genetic mutation - Ans--C. Spore formation happens when enviromental
conditions are not conducive to growth and viability.
What organ detects changes in the level of insulin and releases chemicals
to regulate the level of blood glucose?
A. liver
,B. stomach
C. pancreas
D. gallbladder - Ans--C. The pancreas regulates the concentration of sugar
glucose levels in the circulatory system. When the concentration of blood
glucose increases, the pancreas senses the change and releases insulin,
causing the glucose to move from the blood and be stored in the liver and
muscles. When the blood level of glucose is too low, the pancreas releases
glucagon that causes stored glucose to be released into the circulatory
system.
What does the term strike-through mean?
A. rupture of heat seal during sterilization
B. failure of biological indicator during sterilization
C. perforation of sharp object through sterile wrapper
D. soaking of moisture form unsterile to sterile layers - Ans--D. When
moisture soaks through a drape, gown or package, "strike-through" occurs
and the item is contaminated.
Which of the following monitoring devices would be used within a vessel?
A. ECG lead
B. swan ganz
C. pulse oximeter
D. sphygmomanometer - Ans--B. A swan ganz monitoring device is
inserted within a branch of the pulmonary artery to measure the central
venous pressure, pulmonary artery pressure, pulmonary capillary wedge
pressure and cardiac output.
When adding 30 mL of injectable saline to 30 mL of 0.5% Marcaine, what
strength does the drug become?
A. 0.25%
B. 0.5%
C. 0.75%
D. 1.0% - Ans--A. 30(mL) x .5(%) = 60(mL) x X(%)
60mL / 30mL = .5% / X
30 x .5 = 60 x X
15 = 60X
= 60X / 60
X = 0.25
,What action should be taken if the patient has withdrawn the surgical
informed consent prior to surgery?
A. transport patient to OR; inform surgeon
B. do not transport patient; inform surgeon
C. do not transport patient; inform anesthesia provider
D. transport patient to OR; inform OR supervisor - Ans--B. If a patient has
withdrawn the surgical informed consent prior to surgery, then do not
transport patient ad inform the surgeon.
Confining and containing instruments with bioburden prevents which of the
following?
A. fomite formation
B. personnel injury
C. instrument loss
D. cross-contamination - Ans--D. Cross-contamination is the contamination
of an individual or object upon contact with a contaminated item.
The unsterile size of the perimeter of a sterile wrap is:
A. 1/2 inch
B. 1 inch
C. 2 inches
D. 3 inches - Ans--B. The inside of wrappers is considered sterile except for
the one-inch border / perimeter around the outside edge of the wrapper.
A substance that inhabits the growth and reproduction of microbes on living
tissue is a/an:
A. antiseptic
B. disinfectant
C. sterilant
D. sporicidal - Ans--A. Antiseptic agents are used to perform the patient skin
prep, as well as used by surgical team members to perform the surgical
scrub; the agents are used to "surgically clean" the skin.
What action should be taken by the transporter if a discrepancy occurs in
the identification of a patient in the nursing unit?
A. try to locate family members to verify patient identity
B. transport to OR and inform surgeon of discrepancy
, C. inform unit clerk of discrepancy and return to OR
D. do not transport, inform unit supervisor and OR personnel - Ans--D. Do
not transport, inform unit supervisor, and OR personnel if there is a
discrepancy in the identification of a patient on the nursing unit.
A patient may be asked to shower at home with an antimicrobial soap before
coming to the hospital for surgery to:
A. achieve a cumulative antimicrobial effect
B. determine if the patient is allergic to the soap
C. reduce the amount of time for the pre-op prep
D. leave a visible film so the prep borders will show - Ans--A. Studies have
shown patients that were asked to shower with antimicrobial soap at home
prior to having surgery demonstrate a decrease in the microbial count on
the skin.
What are the sequential steps performed prior to entrance into the sterile
field?
A. gown, glove, scrub
B. glove, scrub, gown
C. scrub, glove, gown
D. scrub, gown, glove - Ans--D. Before donning the sterile gown and gloves,
the sterile members of the OR team must perform the surgical scrub with a
chemical antiseptic.
Which area is prepped last when preforming the skin prep for a Bartholin's
cystectomy?
A. anus
B. mons pubis
C. vagina
D. perineum - Ans--A. For prepping a Bartholin's cystectomy, the anus is
prepped last.
The sterile surgical technoligist should drape a table from:
A. side to side
B. back to front
C. front to back
Solutions Correct| Latest Update
2026| Get It Right
The structure that lies along the posterior border of the testis is the:
A. prostate
B. epididymis
C. tunica vaginalis
D. ejaculatory duct - Ans--B. The epididmis is a comma-shaped organ that
lies along the posterior border of the testis.
The valve between the left atrium and left ventricle is the:
A. bicuspid
B. tricuspid
C. aortic semilunar
D. pulmonary semilunar - Ans--A. The valve between the left atrium and left
ventricle is referred to as either the mitral or bicuspid valve.
What is the most abundant ion in the body?
A. calcium
B. sodium
C. potassium
D. magnesium - Ans--A. Calcium is the most abundant ion in the body.
Which of the follwoing is a method of bacterial survival when enviromental
conditions are not conducive to growth and viability?
A. conjugation
B. transduction
C. spore formation
D. genetic mutation - Ans--C. Spore formation happens when enviromental
conditions are not conducive to growth and viability.
What organ detects changes in the level of insulin and releases chemicals
to regulate the level of blood glucose?
A. liver
,B. stomach
C. pancreas
D. gallbladder - Ans--C. The pancreas regulates the concentration of sugar
glucose levels in the circulatory system. When the concentration of blood
glucose increases, the pancreas senses the change and releases insulin,
causing the glucose to move from the blood and be stored in the liver and
muscles. When the blood level of glucose is too low, the pancreas releases
glucagon that causes stored glucose to be released into the circulatory
system.
What does the term strike-through mean?
A. rupture of heat seal during sterilization
B. failure of biological indicator during sterilization
C. perforation of sharp object through sterile wrapper
D. soaking of moisture form unsterile to sterile layers - Ans--D. When
moisture soaks through a drape, gown or package, "strike-through" occurs
and the item is contaminated.
Which of the following monitoring devices would be used within a vessel?
A. ECG lead
B. swan ganz
C. pulse oximeter
D. sphygmomanometer - Ans--B. A swan ganz monitoring device is
inserted within a branch of the pulmonary artery to measure the central
venous pressure, pulmonary artery pressure, pulmonary capillary wedge
pressure and cardiac output.
When adding 30 mL of injectable saline to 30 mL of 0.5% Marcaine, what
strength does the drug become?
A. 0.25%
B. 0.5%
C. 0.75%
D. 1.0% - Ans--A. 30(mL) x .5(%) = 60(mL) x X(%)
60mL / 30mL = .5% / X
30 x .5 = 60 x X
15 = 60X
= 60X / 60
X = 0.25
,What action should be taken if the patient has withdrawn the surgical
informed consent prior to surgery?
A. transport patient to OR; inform surgeon
B. do not transport patient; inform surgeon
C. do not transport patient; inform anesthesia provider
D. transport patient to OR; inform OR supervisor - Ans--B. If a patient has
withdrawn the surgical informed consent prior to surgery, then do not
transport patient ad inform the surgeon.
Confining and containing instruments with bioburden prevents which of the
following?
A. fomite formation
B. personnel injury
C. instrument loss
D. cross-contamination - Ans--D. Cross-contamination is the contamination
of an individual or object upon contact with a contaminated item.
The unsterile size of the perimeter of a sterile wrap is:
A. 1/2 inch
B. 1 inch
C. 2 inches
D. 3 inches - Ans--B. The inside of wrappers is considered sterile except for
the one-inch border / perimeter around the outside edge of the wrapper.
A substance that inhabits the growth and reproduction of microbes on living
tissue is a/an:
A. antiseptic
B. disinfectant
C. sterilant
D. sporicidal - Ans--A. Antiseptic agents are used to perform the patient skin
prep, as well as used by surgical team members to perform the surgical
scrub; the agents are used to "surgically clean" the skin.
What action should be taken by the transporter if a discrepancy occurs in
the identification of a patient in the nursing unit?
A. try to locate family members to verify patient identity
B. transport to OR and inform surgeon of discrepancy
, C. inform unit clerk of discrepancy and return to OR
D. do not transport, inform unit supervisor and OR personnel - Ans--D. Do
not transport, inform unit supervisor, and OR personnel if there is a
discrepancy in the identification of a patient on the nursing unit.
A patient may be asked to shower at home with an antimicrobial soap before
coming to the hospital for surgery to:
A. achieve a cumulative antimicrobial effect
B. determine if the patient is allergic to the soap
C. reduce the amount of time for the pre-op prep
D. leave a visible film so the prep borders will show - Ans--A. Studies have
shown patients that were asked to shower with antimicrobial soap at home
prior to having surgery demonstrate a decrease in the microbial count on
the skin.
What are the sequential steps performed prior to entrance into the sterile
field?
A. gown, glove, scrub
B. glove, scrub, gown
C. scrub, glove, gown
D. scrub, gown, glove - Ans--D. Before donning the sterile gown and gloves,
the sterile members of the OR team must perform the surgical scrub with a
chemical antiseptic.
Which area is prepped last when preforming the skin prep for a Bartholin's
cystectomy?
A. anus
B. mons pubis
C. vagina
D. perineum - Ans--A. For prepping a Bartholin's cystectomy, the anus is
prepped last.
The sterile surgical technoligist should drape a table from:
A. side to side
B. back to front
C. front to back
