WorksheetsLaryngeal Muscles Quiz
Total questions: 20
Worksheet time: 10mins
A swimmer develops cough during otoscopy. Explanation states the nerve supplying the external auditory meatus triggers this response. Which specific branch is implicated?
Auriculotemporal nerve
Great auricular nerve
Auricular branch of vagus
Chorda tympani
The right kidney lies slightly lower as it relates only to which rib?
10th rib
11th rib
12th rib
No rib relationship
Which site best matches the anatomical location referred to as "Coffin's corner," known for difficulty of clinical detection due to anatomical obscurity?
Posterosuperior to soft palate
Behind lower 3rd molar and anterior to ascending ramus
Infratemporal fossa near maxillary tuberosity
Behind tonsillar fossa and below superior constrictor
Which action most strongly identifies the cricothyroid muscle?
Relaxation and thickening of cords
Lengthening and tension of cords for high pitch
Abduction of vocal cords
Closure of posterior glottis
Identify the nerve responsible for innervating the majority of laryngeal muscles
External laryngeal nerve
Recurrent laryngeal nerve
Accessory nerve
Lingual nerve
Maxillary artery explanation states third part branches supply palate. Which is best inferred?
Greater and lesser palatine arteries arise from descending palatine artery
Lesser palatine arteries arise from middle meningeal
Infraorbital artery ends as posterior palatine
Buccal artery supplies palatal vault
Origin of trigeminal nerve states origin . Which inference is correct?
It originates between pons and medulla
Origin is strictly from medulla
Sensory root emerges at level of pons
Motor root emerges at occipital condyle
Zenker’s diverticulum explanation identifies a weak zone between two muscular components. Which correctly reflects the boundaries?
Cricothyroid above, thyrohyoid below
Thyropharyngeus above, cricopharyngeus below
Stylopharyngeus above, cricothyroid below
Sternothyroid above, omohyoid below
A patient has difficulty swallowing due to pouching of pharyngeal mucosa. Based on explanations, what mechanism best explains it?
Excess relaxation of cricopharyngeus
Failure of cricopharyngeus relaxation producing high intraluminal pressure
Hypercontractility of thyropharyngeus
Weak stylopharyngeus attachment
Retropharyngeal space explanation mentions it lies between two fascial layers. Which accurately reflects its definition?
Buccopharyngeal fascia and sternocleidomastoid sheath
Prevertebral fascia and carotid sheath
Alar fascia and true prevertebral fascia
Visceral fascia and alar fascia
Early morning concentrated urine is used to assess kidney tubular function. According to explanation, which outcome most strongly suggests impaired tubular concentrating ability?
USG >1.025 in morning sample
USG >1.030 with mild dehydration
USG near 1.010 despite overnight dehydration
USG <1.005 with oliguria
Explanation on “glial binding cells of retina” identifies a structural support function spanning entire retinal thickness. Which cell possesses these features?
Astrocytes
Müller cells
Amacrine
Horizontal
Propionyl-CoA formation explanation states it results from metabolism of:
Even chain fatty acids
Odd chain fatty acids
Ketone bodies
Essential fatty acids
Explanation on Legionella states transmission via aerosolized water. Which setting creates greatest risk?
Desert climate
Sealed ventilated AC and cooling towers
Soil dust exposure
Fomite transfer by surfaces
Explanation of dimorphic fungi classification identifies Cryptococcus as:
Yeast
Yeast-like
Dimorphic
Mould
Bone-softening explanation mentions failure to convert cholecalciferol to 1,25-dihydroxycholecalciferol causing defective osteoid calcification with normal osteoid production. Which condition is this?
Osteopetrosis
Osteomalacia
Osteogenesis imperfecta
Paget's disease
If a biopsy shows fragmented RBCs due to mechanical injury, which pathogenesis best fits?
Immune hemolysis by complement
RBC fragmentation by microthrombi in small vessels
Hypersplenism
Direct marrow suppression
Which muscle is primarily responsible for depressing the hyoid bone during swallowing?
Sternohyoid
Sternothyroid
Omohyoid
Thyrohyoid
What is the primary function of the recurrent laryngeal nerve?
Innervate the cricothyroid muscle
Provide sensory innervation to the larynx
Innervate all intrinsic muscles of the larynx except cricothyroid
Control the muscles of the pharynx
Which artery is primarily responsible for supplying blood to the nasal cavity?
Maxillary artery
Facial artery
Ophthalmic artery
Superficial temporal artery
