عالم تخدير

Forwarded from -تبـليغات الرسميّة لقسم التخدير / المرحلة الرابعة

Correct Answer: B) Measure gas flow rate

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Question 19: Which airway device provides best seal?
A) Face mask
B) Nasal airway
C) Oral airway
D) Laryngeal mask airway
E) Endotracheal tube

Correct Answer: E) Endotracheal tube

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Question 20: What is the most common complication of endotracheal intubation?
A) Pneumothorax
B) Bradycardia
C) Trauma to airway
D) Pulmonary edema
E) Gastric rupture

Correct Answer: C) Trauma to airway

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Question 21: What is the most commonly used length of a spinal needle?
A) 5 cm
B) 7 cm
C) 10 cm
D) 12 cm
E) 15 cm

Correct Answer: C) 10 cm

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Question 22: Which gauge spinal needle often requires an introducer?
A) 18G
B) 20G
C) 22G
D) 25G or smaller
E) 16G

Correct Answer: D) 25G or smaller

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Question 23: Why does CSF flow more slowly from smaller needles?
A) Increased pressure
B) Smaller lumen diameter
C) Needle blockage
D) Longer needle
E) Presence of stylet

Correct Answer: B) Smaller lumen diameter

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Question 24: What is a characteristic of a 22G spinal needle?
A) Very flexible
B) Difficult to control
C) More rigid with better tactile feedback
D) Causes minimal CSF leakage
E) Rarely used

Correct Answer: C) More rigid with better tactile feedback

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Question 25: Continuous spinal anesthesia can be achieved by:
A) Large bore needle only
B) Repeated injections
C) Inserting a microcatheter into subarachnoid space
D) Using epidural catheter
E) Increasing dose

Correct Answer: C) Inserting a microcatheter into subarachnoid space

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Question 26: Which feature improves safety and prevents wrong-route drug administration?
A) Larger needles
B) Transparent hub
C) Special connectors incompatible with IV Luer
D) Longer catheter
E) Use of stylet

Correct Answer: C) Special connectors incompatible with IV Luer

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Question 27: Epidural needles are designed with:
A) Sharp straight tip
B) Blunt curved bevel (15–30°)
C) No bevel
D) Side holes only
E) Double lumen

Correct Answer: B) Blunt curved bevel (15–30°)

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Question 28: The purpose of the curved tip of an epidural needle is to:
A) Increase CSF flow
B) Reduce pain
C) Direct catheter away from dura
D) Pierce dura easily
E) Increase rigidity

Correct Answer: C) Direct catheter away from dura

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Question 29: Which material is commonly used for epidural catheters?
A) Steel
B) Silicone only
C) Nylon or PVC
D) Rubber
E) Glass

Correct Answer: C) Nylon or PVC

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Question 30: Which of the following describes the tip of an epidural catheter?
A) Sharp and open
B) Closed with lateral holes
C) Straight without openings
D) Metallic
E) Very rigid

Correct Answer: B) Closed with lateral holes

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Question 31: What is the recommended insertion length of an epidural catheter into the epidural space?
A) 1–2 cm
B) 2–3 cm
C) 3–5 cm
D) 6–8 cm
E) 10 cm

Correct Answer: C) 3–5 cm

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Question 32: The epidural catheter should appear at the hub of the needle at approximately:
A) 5–10 cm
B) 10–12 cm
C) 15–18 cm
D) 20–25 cm
E) 25–30 cm

Correct Answer: C) 15–18 cm

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Question 33: Which color represents an 18G epidural catheter?
A) Yellow
B) Green
C) Dark blue
D) Light blue
E) Red

Correct Answer: C) Dark blue

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Question 34: A disadvantage of combined spinal–epidural anesthesia is:
A) Easy catheter placement
B) No complications
C) Difficulty passing epidural catheter after spinal injection
D) Short duration
E) Limited use

Correct Answer: C) Difficulty passing epidural catheter after spinal injection

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