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CCEB PART A - ANATOMY EXAM WITH QUESTIONS AND VERIFIED ANSWERS
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CCEB PART A - ANATOMY EXAM WITHQUESTIONS AND VERIFIED ANSWERS
What about me? Protein [if absent] can induce a drop in m. Strength, weakness, and
wasting - ANSWER dystrophin
Somites produce what - ANSWER skeletal millimetres.
Skeletal millimetres are formed from the paraxial mesoderm.
smooth mm. is formed from the visceral splanchnic mesoderm.
Joints, ligaments, and intraarticular discs are generated from mesenchyme.
What brachial arch provides sensation to the front 2/3 of the tongue? ANSWER 1:
mandibular.
What brachial arch provides feeling to the posterior 2/3 of the tongue? ANSWER
2: hyoid.
What brachial arch provides taste and sensation to the posterior 1/3 of the tongue?
ANSWER 3: Thymus.
The second brachial arch is made up of CN, which innervates the posterior belly of
the digastric muscle. - ANSWER CN VII: Facial
The first brachial arch is made up of CN, which also innervates the anterior belly of
the digastric muscle. - ANSWER CN V: trigeminal.
,What CN makes up the third brachial arch and innervates the stylopharyngeus?
ANSWER: CN IX - glossopharyngeal
What CN does the fourth and sixth brachial arch? ANSWER: CN X - vagus.
Recurrent laryngeal n. is placed in what brachial arch? ANSWER: 4th and 6th.
[thyroid and cricoid = CN X].
This is a contractile unit made up of myosin and actin filaments - answer:
myofibrils.
Which type of m. has light [I bands] and dark [A bands] cross-bands, ANSWER
striated.
The strength of a millimeter depends on the quantity and thickness of its fibers.
What type of m. is multinucleated and striated - ANSWER skeletal muscle.
Which type of m. is fusiform in shape and has no striations, t-tubules, or troponin -
ANSWER smooth m.
Which type of m. has intercalated discs, gap junctions, and a large number of
mitochondria--ANSWER cardiac m.
Which type of m. has a natural beat and contracts spontaneously - ANSWER heart
muscle.
,Bone is mostly composed of type 1 collagen.
What cells are situated in the lacunae* with cytoplasmic processes that extend into
canaliculi and communicate via gap junctions - ANSWER osteocyte
What cell is involved in bone resorption and remodelling*? ANSWER: osteoclast.
What is a multinucleated giant cell located within Howship's lacunae*? ANSWER:
osteoclasts.
What bone cell is governed by calcitonin and parathyroid hormone*? - Answer:
osteoclast.
What cell secretes a matrix to aid in bone production* and then becomes an
osteocyte once contained in bone matrix? ANSWER: osteoblast.
Bone production =
bone resorption/remodelling = -- ANSWER osteoblast
osteoclast
, Where are osteoclasts found? ANSWER Howship's lacunae
bone Haversian networks are connected via perpendicular systems known as
Volkmann's canals.
What sort of bone lines the marrow cavity? ANSWER: trabecular/cancellous.
[spongy]
What type of bone makes up the diaphysis of a long bone? ANSWER compact.
[lamellae]
What kind of matrix does compact bone have? ANSWER: lamellae.
What type of bone is "spongy bone"? [2] - ANSWER trabecular and cancellous
Bone osteocytes are situated in ANSWER lacunae.
What skull bone contains the coronal suture and bregma? Answer: frontal bone.
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