𝟏𝟏. 𝐑𝐞𝐬𝐩𝐢𝐫𝐚𝐭𝐨𝐫𝐲 𝐬𝐲𝐬𝐭𝐞𝐦 (𝐌𝐂𝐐𝐬) 🫁 & ⁉️🤔🫵✔ الجهاز التنفسي (اختيار من متعدد)

"𝗧𝗵𝗶𝘀 𝘃𝗶𝗱𝗲𝗼 𝗰𝗼𝗻𝘁𝗮𝗶𝗻𝘀 𝗺𝘂𝗹𝘁𝗶𝗽𝗹𝗲-𝗰𝗵𝗼𝗶𝗰𝗲 𝗾𝘂𝗲𝘀𝘁𝗶𝗼𝗻𝘀 𝗰𝗼𝘃𝗲𝗿𝗶𝗻𝗴 𝗮𝗹𝗹 𝗽𝗮𝗿𝘁𝘀 𝗼𝗳 𝘁𝗵𝗲 𝗿𝗲𝘀𝗽𝗶𝗿𝗮𝘁𝗼𝗿𝘆 𝘀𝘆𝘀𝘁𝗲𝗺, 𝗮𝗹𝗼𝗻𝗴 𝘄𝗶𝘁𝗵 𝗶𝗱𝗲𝗮𝗹 𝗮𝗻𝘀𝘄𝗲𝗿𝘀 𝗮𝗻𝗱 𝗲𝘅𝗽𝗹𝗮𝗻𝗮𝘁𝗶𝗼𝗻𝘀."

𝐈𝐧𝐬𝐭𝐫𝐮𝐜𝐭𝐢𝐨𝐧𝐬: 🔑🗝️
-- Read each question carefully, then pause the video and answer it. After that, play the video and revise your answer and explanation using the diagrams offered. Repeat several times.

𝐌𝐂𝐐: 💪
1. What is the origin of the third posterior intercostal artery?
A. Subclavian artery
B. Costocervical trunk
C. Internal thoracic artery
D. Descending thoracic aorta

2. Which of the following drains into the hiatus semilunaris?
A. Posterior ethmoidal air sinus
B. Middle ethmoidal air sinus
C. Frontal air sinus
D. Nasolacrimal duct

3. During thyroidectomy, care is taken to preserve the recurrent laryngeal nerve. This nerve lies in which of the following locations?
A. Lateral to the common carotid artery
B. Between the cricoid and thyroid cartilage
C. In the tracheoesophageal groove
D. Superficial to the sternothyroid muscle

6. Which structure is used as a landmark to identify the external laryngeal nerve during thyroid surgery?
A. Cricothyroid membrane
B. Superior thyroid artery
C. Inferior thyroid artery
D. Common carotid artery

7. The laryngeal inlet is protected during swallowing by the contraction of which muscle?
A. Aryepiglottic
B. Cricothyroid
C. Posterior cricoarytenoid
D. Thyroarytenoid

8. Which of the following is most likely preserved in bilateral recurrent laryngeal nerve injury?
A. Phonation
B. Whispering
C. Deep breathing
D. Normal swallowing

9. What is the most likely clinical sign of unilateral recurrent laryngeal nerve injury?
A. Loss of cough reflex
B. Hoarseness of voice
C. Aphonia
D. Stridor

10. Which of the following muscles is spared in external laryngeal nerve injury?
A. Posterior cricoarytenoid
B. Cricothyroid
C. Thyroarytenoid
D. Lateral cricoarytenoid

11. What is the only abductor muscle of the vocal cords?
A. Lateral cricoarytenoid
B. Cricothyroid
C. Posterior cricoarytenoid
D. Transverse arytenoid

12. Which vocal cord movement will be affected by injury of the external laryngeal nerve during thyroidectomy?
A. Adduction
B. Abduction
C. Tension
D. Relaxation

13. Which of the following acts as a sphincter of the laryngeal inlet?
A. Arytenoid muscles
B. Thyroarytenoid
C. Oblique arytenoid and aryepiglottic muscle
D. Posterior cricoarytenoid

14. Which is the upward recess located deep to the vestibular fold?
A. Rima glottidis
B. Rima vestibule
C. Saccule
D. Ventricle

15. A 63-year-old lady undergoes a parathyroidectomy for the treatment of an inferior parathyroid adenoma. The following morning, she complained of hoarseness of voice, which she had not experienced before the operation. What is the most likely cause of her symptoms?
A. Intubation
B. Unilateral damage to the recurrent laryngeal nerve
C. Bilateral damage to the recurrent laryngeal nerve
D. Hematoma of the neck

16. A patient presents with a monotonous voice and an inability to modulate pitch. Which nerve is most likely affected?
A. Recurrent laryngeal
B. Vagus
C. Glossopharyngeal
D. External branch of the superior laryngeal

😂💞 🤣 𝓦𝓪𝓲𝓽𝓲𝓷𝓰 𝓕𝓸𝓻 𝓨𝓸𝓾𝓻 𝓐𝓷𝓼𝔀𝓮𝓻 😂💞 🤣

𝐀𝐧𝐬𝐰𝐞𝐫𝐬 𝐭𝐨 𝐌𝐂𝐐𝐬: 👇😀
𝟭. 𝗗
𝟮. 𝗖
𝟯. 𝗖
𝟰. 𝗕
𝟱. 𝗔
𝟲. 𝗕
𝟳. 𝗕
𝟴. 𝗔
𝟵. 𝗖
𝟭𝟬. 𝗖
𝟭𝟭. 𝗖
𝟭𝟮. 𝗗
𝟭𝟯. 𝗕
𝟭𝟰. 𝗗

𝐅𝐨𝐫 𝐜𝐨𝐧𝐭𝐚𝐜𝐭: 📢
📌𝐄𝐦𝐚𝐢𝐥: [email protected]
📌𝐅𝐚𝐜𝐞𝐛𝐨𝐨𝐤 𝐩𝐞𝐫𝐬𝐨𝐧𝐚𝐥 𝐚𝐜𝐜𝐨𝐮𝐧𝐭:   / drayman.khanfour  
📌𝐅𝐚𝐜𝐞𝐛𝐨𝐨𝐤 𝐠𝐫𝐨𝐮𝐩:   / 314015989895733  
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📞𝐌𝐨𝐛𝐢𝐥𝐞 (𝐚𝐧𝐝 𝐖𝐡𝐚𝐭𝐬𝐀𝐩𝐩): +20 1223815866

𝐇𝐚𝐬𝐡𝐭𝐚𝐠: 🔍
#respiratory_system_MCQs
#nose_lung_pleura
#diaphragm
#congenital_anomalies