Portage Learning BIOL 101 anatomy physiology EXAM A+ GRADE ASSURED COMPLETE SOLUTIONS AND VERIFIED ANSWERS

ANATOMY EXAM zm




Exam Solution zm




Portage Learning A&P 1 Module 4 Skeletal System 202 zm zm zm zm zm zm zm zm




6 A+ GRADE ASSURED COMPLETE SOLUTIONS AND VE
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RIFIED ANSWERS (6D525) zm zm




QUESTION 1 zm




What are the main functions of the skeletal system?
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ANSWER

1. Protection - of internal organs 2. Storage -
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of minerals, calcium and phosphorus salts 3. Attachment -
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sites for muscles, tendons and ligaments 4. Movement -
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particularly long bones 5. Support against gravity - large, heavier bones of the legs
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QUESTION 2 zm




Name and describe the five types of bone and an example of each.
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ANSWER

Long - support body weight, enable movement / tibia Flat -
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flat, thin; designed for protection / cranium Short -
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small, cube shaped / carpals and tarsals Irregular -
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varying shapes; protection and movement / vertebrae, pelvic bones Sesamoid -
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small and flat, reinforce tendons / patella
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QUESTION 3 zm




What are bone landmarks?
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ANSWER

distinct markings, ridges, grooves, or holes found on each bone
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QUESTION 4 zm

,What types of bone landmarks are a channel for nerves or blood vessels?
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ANSWER

foramen, canal, fissure
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QUESTION 5 zm




What is a sinus?
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ANSWER

hollow chamber in a bone, typically filled with air
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QUESTION 6 zm




Which bone landmarks are elevations on the bone?
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ANSWER

process, ramus zm




QUESTION 7 zm




Which bone landmarks are projections for tendon or ligament attachment?
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ANSWER

trochanter, tuberosity, tubercle, crest, line, spine
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QUESTION 8 zm




Name the bone landmarks that articulate with adjacent bones.
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ANSWER

head, neck, condyle, trochlea, facet
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QUESTION 9 zm




Name bone landmarks that are depressions in bone.
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ANSWER

fossa, sulcus
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QUESTION 10 zm

, How many bones are in the skull?
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ANSWER

22 (8 cranial, 14 facial)
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QUESTION 11 zm




Fontanelles
ANSWER

soft spots which are gaps between the bones of an infant's skull that allow compression of the skull
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mduring childbirth. these begin to fuse around 2 months and are fully fused by 2 years of age.
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QUESTION 12 zm




name the bones of the skull.
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ANSWER

occipital, frontal, 2 parietal, 2 temporal, sphenoid (butterfly shape), ethmoid (last two are internal)
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QUESTION 13 zm




foramen magnum zm




ANSWER

large opening in the base of the skull in the occipital bone, through which the spinal cord passes as
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mit turns into the brainstem. it is the only non-paired foramen in the skull.
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QUESTION 14 zm




frontal sinuses zm




ANSWER

sinuses in the frontal bone, these give a resonant sound to the voice and reduce the weight of the s
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kull



QUESTION 15 zm




sinusitis
ANSWER

inflammation of the sinuses, caused by virus, bacteria, or an allergy
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