Clinical Science Multiple Choice Questions on “Basics of Endoscopy”.
1. The endoscope that examines the respiratory tract is called as ____________
A. Bronchoscopy
B. Laparoscopy
C. Colonoscopy
D. Arthroscopy
Answer: A
Clarification: Broncoscope is inserted in the body via the nasal passage and it used to image the respiratory tract. It has a very thin tube so that the patient feels minimal discomfort as the scope goes down the track. A laryngoscope can be used to examine the larynx. It is inserted through the mouth and the direction of the scope is changed at the epiglottis. This allows the scope to look at the larynx and not enter the GI tract.
2. Endoscope used to examine the upper GI tract is ___________
A. Laparoscopy
B. Bronchoscopy
C. Esophagogastroduodenoscopy
D. Laryngoscopy
Answer: C
Clarification: As the name suggests, this particular endoscope has a really long range and can be used to view esophagus, stomach and the duodenum. The region till here is mostly considered as the upper GI tract.
3. Capsule endoscope has a ________ for taking images.
A. CCD camera
B. LED camera
C. X-Ray camera
D. US camera
Answer: A
Clarification: The CCD (Charge coupled device) camera is small and is easily fitted in the capsule. It does not require too much energy and the range of the camera is wide enough. It may also be called as CMOS (Complementary Metal Oxide Semiconductor) imager.
4. Extraction of a small piece of the diseased organ is called __________
A. biopsy
B. surgery
C. chemotherapy
D. replacement
Answer: A
Clarification: The smallest unit of any system is its cell. Every organ is made of tissues and tissues are a collection of similar cells. Thus, what a tissue system does is a result of the network of the similar cells. So, when a tissue is diseased or injured, a part of the tissue is extracted to study the nature of the trauma or disease. This extracted part is called a biopsy.
5. The cleaning of the endoscope is done with ____________
i) 2% Glutarldehyde (CIDEX)
ii) Sodium Hypochlorite
iii) Hydrochloric acid
iv) Iodophor (Betadine-providone)
v) 1% Saline Solution
vi) 70% ethyl or isopropyl alcohol
vii) Ethylene oxide (ETO)
viii) Formaldehyde vapour
ix) Phenol Solution
x) Vinegar
A. i,iv, vi, vii, viii
B. i, vii, viii, ix, x
C. ii, iii, ix, x
D. iii, iv, v, ix
Answer: A
Clarification: The body of an endoscope is flexible because it is made of polymers. The cleaning agents used need to be harsh enough for the microbes that may get attached to the endoscope as it is examining the patient but they should not corrode or harm the body of the endoscope.
6. None of the endoscopic procedures require any cuts.
A. True
B. False
Answer: B
Clarification: Some procedures like laparoscopy and arthroscopy require a small cut to allows the devices to go in. Laparoscopy is done for the diaphragm and the organs in that region. It can help look at kidneys and the reproductive organs in women.
7. Which of the following operations can be done with an endoscope?
i. Bypass surgery
ii. Cardiac Catherization
iii. Kidney Stone Removal
iv. Knee Replacement
v. Biopsy
vi. Tracheotomy
vii. Appendix Removal
A. i, ii, iii, iv, vii
B. ii, iii, v, vii
C. iii, vii
D. v, vi, vii