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CST Practice Test -3 (1-175) Questions and Complete Solutions Graded A+
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CST Practice Test -3 (1-175) Questions and Complete Solutions Graded A+
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CST Practice Test#3 (1-175)
Questions and
Complete Solutions
Graded A+
Denning [Date] [Course title]
,The structure that lies along the posterior border of the testis is the:
A. prostate
B. epididymis
C. tunica vaginalis
D. ejaculatory duct - Answer: 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 - Answer: 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 - Answer: 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 - Answer: 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 - Answer: 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 - Answer: 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 - Answer: 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% - Answer: 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 - Answer: 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 - Answer: 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 - Answer: 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
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