Soft Palate And Larynx
The soft palate is the term given to the soft tissue constituting the back of the roof of the mouth. The larynx is more commonly known as the voice box. What do you know about these parts of the body?
Questions and Answers
- 1.
The palatoglossal muscle forms the posterior tonsillar pillar
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
palatopharyngealRate this question:
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- 2.
When the uvula contracts it becomes elongated
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
shortenedRate this question:
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- 3.
There are 6 pairs of soft palate muscles
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
5Rate this question:
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- 4.
The tensor veli palatini originates from the medial pterygoid plate and the auditory tube
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The tensor veli palatini muscle is indeed connected to both the medial pterygoid plate and the auditory tube. The muscle originates from the cartilaginous portion of the auditory tube and the adjacent medial pterygoid plate of the sphenoid bone. It plays a crucial role in the opening and closing of the auditory tube, which helps regulate pressure in the middle ear. Therefore, the statement is true.Rate this question:
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- 5.
The soft palate separates the oral pharynx from the nasal pharynx
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The soft palate is a muscular structure located at the back of the roof of the mouth. It plays a crucial role in separating the oral pharynx (the throat) from the nasal pharynx (the nasal cavity). When we swallow, the soft palate lifts up to close off the nasal passage, preventing food and liquid from entering the nose. This action ensures that the food and liquid go down the esophagus and into the stomach, rather than up into the nasal cavity. Therefore, the statement that the soft palate separates the oral pharynx from the nasal pharynx is true.Rate this question:
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- 6.
The salpingopharyngeus originates from teh bony end of the eustachian tube
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
cartilagenousRate this question:
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- 7.
All of the pharyngeal are innervated by the X (XI) cranial nerve
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
stylopharyngeus - 9thRate this question:
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- 8.
As food is moved to the posterior part of the tongue, it is important to close off the oral and nasal pharynxes from one another
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
When food is moved to the posterior part of the tongue, it is necessary to close off the oral and nasal pharynxes to prevent food from entering the nasal cavity. This is important for proper swallowing and to avoid choking or aspiration of food into the lungs. Closing off the oral and nasal pharynxes ensures that food travels down the esophagus and into the stomach, while also allowing for the proper passage of air through the nasal passages.Rate this question:
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- 9.
The overlapping of the pharyngeal constrictor muscles adds thickness and strenght to the middle part of the pharyngeal wall
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The overlapping of the pharyngeal constrictor muscles refers to how these muscles in the throat layer on top of each other. This overlapping adds thickness and strength to the middle part of the pharyngeal wall. This is important for the proper functioning of the throat and helps in swallowing and preventing food or liquid from entering the airway. Therefore, the statement is true.Rate this question:
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- 10.
During swallowing, the bolus of food passes through the larynx
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
During swallowing, the bolus of food does not pass through the larynx. The larynx is responsible for preventing food and liquid from entering the airway and directing it towards the esophagus. The epiglottis, a flap of tissue in the larynx, covers the opening of the trachea to ensure that food goes down the esophagus and not into the lungs.Rate this question:
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- 11.
Which of the muscles dilates the pharynx?
- A.
Palatoglossus
- B.
Palatopharynngeus
- C.
Tensor veli palatini
- D.
Stylopharyngeus
Correct Answer
D. StylopharyngeusExplanation
The stylopharyngeus muscle is responsible for dilating the pharynx. It is a long, slender muscle that originates from the styloid process of the temporal bone and inserts into the pharynx. When it contracts, it helps widen the pharynx, allowing for the passage of food and fluids during swallowing. The palatoglossus muscle helps elevate the back of the tongue, the palatopharyngeus muscle helps close off the nasopharynx during swallowing, and the tensor veli palatini muscle helps tense the soft palate.Rate this question:
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- 12.
Which muscle tenses the anterior portion of the soft palate?
- A.
Tensor veli palatini
- B.
Levatator veli palatini
- C.
Faucial pillars
- D.
Palatoglossal muscle
Correct Answer
A. Tensor veli palatiniExplanation
The tensor veli palatini muscle is responsible for tensing the anterior portion of the soft palate. This muscle helps to control the movement and position of the soft palate during swallowing and speaking. When the tensor veli palatini contracts, it pulls the soft palate forward and upward, helping to close off the nasal cavity from the oral cavity. This action is important for preventing food and liquids from entering the nasal passages during swallowing.Rate this question:
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- 13.
The palatopharyngeal muscle originates from the anterolateral part of the soft palate. it narrows the fauces and elevates the pharynx
- A.
Both statements are true
- B.
The 1st statement is true; the 2nd is false
- C.
The 1st statement is false; the 2nd is true
- D.
Both statements are false
Correct Answer
C. The 1st statement is false; the 2nd is trueExplanation
The first statement is false because the palatopharyngeal muscle does not originate from the anterolateral part of the soft palate. The second statement is true because the palatopharyngeal muscle does narrow the fauces and elevate the pharynx.Rate this question:
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- 14.
Which of these muscles does not elevate the pharynx?
- A.
Salpingopharyngeus
- B.
Palatopharyngeus
- C.
Stylopharyngeus
- D.
A and b
- E.
All of the above
Correct Answer
E. All of the aboveExplanation
All of the muscles listed in the options, salpingopharyngeus, palatopharyngeus, and stylopharyngeus, are responsible for elevating the pharynx. Therefore, none of these muscles can be considered as the one that does not elevate the pharynx. Hence, the correct answer is "all of the above."Rate this question:
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- 15.
The pharyngeal constrictor muscle have a role in all of the following finctions except
- A.
Moving food into the esophagus
- B.
Compressing in the upper part of the oral pharynx
- C.
Promoting elevation and dilation of the pharynx
- D.
All of the above
Correct Answer
C. Promoting elevation and dilation of the pharynxExplanation
The pharyngeal constrictor muscle plays a role in moving food into the esophagus and compressing in the upper part of the oral pharynx. However, it does not have a role in promoting elevation and dilation of the pharynx.Rate this question:
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- 16.
Which pharyngeal constrictor muscle inserts into the median raphe?
- A.
Superior pharyngeal constrictor
- B.
Middle pharyngeal constrictor
- C.
Inferior pharyngeal constrictor
- D.
A and b
- E.
All of the above
Correct Answer
E. All of the aboveExplanation
The correct answer is "all of the above." The pharyngeal constrictor muscles are a group of muscles located in the pharynx. They help in swallowing by contracting and narrowing the pharynx. The superior, middle, and inferior pharyngeal constrictor muscles all insert into the median raphe, which is a fibrous structure in the midline of the pharynx. Therefore, all three muscles insert into the median raphe, making "all of the above" the correct answer.Rate this question:
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- 17.
Voluntary control of swallowing end in the _________ 3rd of the esophagues
- A.
Upper
- B.
Middle
- C.
Lower
- D.
None of the above
Correct Answer
B. MiddleExplanation
The voluntary control of swallowing ends in the middle third of the esophagus. This means that once food or liquid is swallowed, it is initially under voluntary control until it reaches the middle portion of the esophagus. After this point, the swallowing process becomes involuntary and is controlled by the muscles of the esophagus.Rate this question:
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- 18.
Which of the following palatal muscles is innervated by the 5th cranial nerve?
- A.
UVULA
- B.
Palatopharyngeus
- C.
Palatoglossus
- D.
Levator veli palatini
- E.
Tensor veli palatini
Correct Answer
E. Tensor veli palatiniExplanation
The tensor veli palatini muscle is innervated by the 5th cranial nerve, also known as the trigeminal nerve. This muscle is responsible for tensing the soft palate and opening the auditory tube, which helps to equalize pressure between the middle ear and the nasopharynx.Rate this question:
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- 19.
The stylopharyngeus muscle ____________ the pharynx
- A.
Elevates
- B.
Dilates
- C.
Pulls forward
- D.
A and b
Correct Answer
D. A and bExplanation
The stylopharyngeus muscle both elevates and dilates the pharynx. When it contracts, it pulls the pharynx upward, helping in the process of swallowing and speech production. Additionally, it also helps in widening the pharynx, allowing for the passage of food and air. Therefore, options "a" and "b" are both correct as they accurately describe the actions of the stylopharyngeus muscle.Rate this question:
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- 20.
Which of the following muscles pull the soft palate into contact with the posterior pharyngeal wall?
- A.
Uvula
- B.
Palatopharyngeus
- C.
Palatoglossus
- D.
Levator veli palatini
- E.
None of the above
Correct Answer
D. Levator veli palatiniExplanation
The levator veli palatini muscle is responsible for pulling the soft palate into contact with the posterior pharyngeal wall. The uvula is a part of the soft palate but does not have the specific function mentioned in the question. Palatopharyngeus and palatoglossus muscles are also part of the soft palate, but they do not pull it into contact with the posterior pharyngeal wall. Therefore, the correct answer is levator veli palatini.Rate this question:
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- 21.
Which of the following muscles would help move the bolus of food upward and backward to the oral pharynx?
- A.
Palatoglossus
- B.
Palatopharyngeus
- C.
Levator veli palatini
- D.
Tensor veli palatini
Correct Answer
A. PalatoglossusExplanation
The palatoglossus muscle is responsible for elevating the back of the tongue and depressing the soft palate. This action helps to move the bolus of food upward and backward towards the oral pharynx. The other muscles listed, palatopharyngeus, levator veli palatini, and tensor veli palatini, are not directly involved in this specific movement.Rate this question:
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- 22.
Which of the following muscles would help to open the auditorytube if it was closed because of edema?
- A.
Palatoglossus
- B.
Styloglossus
- C.
Uvula
- D.
Levator veli palatini
- E.
All of the above
Correct Answer
D. Levator veli palatiniExplanation
The levator veli palatini muscle is responsible for elevating the soft palate, which helps in opening the auditory tube. If the auditory tube is closed due to edema, the contraction of the levator veli palatini muscle can help to open it and restore normal functioning. The other muscles listed, such as palatoglossus and styloglossus, are not directly involved in opening the auditory tube.Rate this question:
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- 23.
Which of the following muscles would narrow the fauces in swallowing?
- A.
Levator veli palatini
- B.
Palatoglossus
- C.
Tensor veli palatini
- D.
Salpingopharyngeus
- E.
All the above
Correct Answer
B. PalatoglossusExplanation
The palatoglossus muscle is responsible for narrowing the fauces during swallowing. It is located in the oropharynx and connects the soft palate to the tongue. When it contracts, it pulls the soft palate and the posterior part of the tongue upwards, closing off the opening between the oral cavity and the oropharynx. This action helps prevent food and liquids from entering the nasal cavity during swallowing.Rate this question:
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- 24.
Which of the pharyngeal constrictors takes its origin from the thyroid cartilage?
- A.
Superior constrictor
- B.
Middle constrictor
- C.
Inferior constrictor
- D.
A and b
- E.
B and c
Correct Answer
C. Inferior constrictorExplanation
The inferior constrictor is the correct answer because it is the only pharyngeal constrictor that takes its origin from the thyroid cartilage. The superior constrictor originates from the pterygoid hamulus and the mandible, while the middle constrictor originates from the hyoid bone. Therefore, the only constrictor that has its origin from the thyroid cartilage is the inferior constrictor.Rate this question:
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Current Version
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Mar 22, 2023Quiz Edited by
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Dec 14, 2008Quiz Created by
Msarjudeen
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