Mock Exam 21/22 Flashcards
During inspiration, how does alveolar pressure compare to atmospheric pressure?
A) Alveolar pressure is greater than atmospheric
B) Alveolar pressure is less than atmospheric
C) Alveolar pressure is the same at atmospheric
D) Alveolar pressure is one of the few pressures where the reference pressure is not atmospheric.
Answer = B
Structures found in the lower respiratory tract include…
A) Left main bronchus
B) Epiglottis
C) Larynx
D) Pharynx
Answer = A
Cell bodies in the peripheral nervous system generally occur in clusters called…
A) Nuclei
B) Ganglia
C) Collaterals
D) Neuroglia
Answer = B
Freshly oxygenated blood enters the heart through the…
A) Right atrium
B) Left atrium
C) Right ventricle
D) Left ventricle
Answer = B
Which one of the following statements is true of ALL spinal nerves?
A) The dorsal roots contain sensory neurons and the ventral roots contain motor neurons.
B) The dorsal roots contain motor neurons and the ventral roots contain sensory neurons.
C) The dorsal roots contain autonomic neurons and the ventral roots contain motor neurons.
D) The dorsal roots contain motor neurons and the ventral roots contain autonomic neurons.
Answer = A
Sarcomeres, the basic unit of striated muscle tissue, run from…
A) A band to A band
B) Z line to Z line
C) H zone to H zone
D) I band to I band
Answer = B
Which muscle has its origin on the sternum and inserts on the mastoid process of the temporal bone?
A) Sternocleidomastoid
B) Stern hyoid
C) Semispinalis capitis
D) Trapezius
Answer = A
The lateral pterygoid muscle is attached to the…
A) Condylar process and protrudes the mandible
B) Condylar process and elevates the mandible
C) Coronoid process and protrudes the mandible
D) Coronoid process and elevates the mandible.
Answer = Condylar process and protrudes the mandible
Which nerve has been damaged if a patient has difficulty speaking, swallowing, and protruding the tongue?
A) Accessory
B) Hypoglossal
C) Glossopharyngeal
D) Facial
Answer = Hypoglossal
The intrinsic muscles of the larynx are derived from which pharyngeal arch?
A) 1st
B) 2nd
C) 3rd
D) 4th
Answer = D
Sensory innervation to the face is supplied by…
A) CN V ———- 5
B) CN VII ———7
C) CN IX ———-9
D) CN X ———-10
Answer = A
If the anterior midline of the neck is palpated from the mandible down toward the sternum, it should be possible to feel, in order, the:
A) hyoid bone, cricoid cartilage, thyroid cartilage.
B) thyroid cartilage, cricoid cartilage, and hyoid bone.
C) hyoid bone, thyroid cartilage, and cricoid cartilage.
D) thyroid cartilage, hyoid bone, and cricoid cartilage.
Answer = C
Which of these statements about the facial nerve is NOT correct?
A) Has terminal branches which include temporal and zygomatic.
B) Is a purely motor nerve.
C) Emerges from the stylomastoid foramen.
D) Traverses the internal acoustic meatus with the vestibulocochlear nerve.
Answer = B
The cavity inside the blastula is called the…
A) Gastrula
B) Morula
C) Blastomere
D) Blastocoel
Answer = D
The rapid depolarization phase of the neural action potential is mediated by sodium channels. How are these sodium channels stimulated to open?
A) They open spontaneously.
B) Activation by neurotransmitters.
C) Hyperpolarisation of the membrane potential.
D) Depolarisation of the membrane potential.
Answer = D
