Examl 3:l BIOSl 251l BIOS251l Latestl

Examl 3:l BIOSl 251/l BIOS251l (Latestl

2026/l 2027l Update)l Anatomyl andl Physiologyl Il withl Labl Review|l Q/Al |l Gradel A|l 100%l Correctl (Verifiedl Answers)l -Chamberlain

Q:l Whatl isl thel mostl importantl hormonel inl calciuml regulation?

Answer:

Parathyroidl hormonel (PTH).

Q:l Whyl isl thel parathyroidl hormonel sol important?

Answer:

Itl isl secretedl byl thel parathyroidl glands,l whichl functionl inl activatingl osteoclasts.l This,l inl turn,l instructsl thel kidneysl tol retainl calcium.l Thel kidneysl willl alsol secretel thel hormonel calcitrioll inl responsel tol lowl bloodl calciuml levels,l whichl willl then

Q:l Thel parathyroidl glandl alsol stimulatesl whatl twol hormones?

Answer:

Thel kidneysl willl secretel thel hormonel calcitrioll inl responsel tol lowl bloodl calciuml levels,l whichl willl thenl causel morel absorptionl ofl calciuml froml thel digestivel system.l Ifl thel bloodl calciuml levelsl becomesl tool high,l thel thyroidl glandl willl producel calcitoninl inl orderl tol decreasel osteoclastl activityl andl acceleratel calciuml deposits.

Q:l Axiall Skeleton

Answer: 1 / 4

consistsl ofl thel bonesl thatl arel foundl alongl thel midlinel ofl thel bodyl thatl forml thel centrall supportingl axisl ofl thel body.

Q:l Whatl doesl thel axiall skeletonl consistl of?

Answer:

skull,l bonesl associatedl withl thel skull,l thel vertebrall column,l andl thel thoracicl cage.l Alsol thel sternum,l hyoid,l andl ossiclesl ofl thel ear.

Q:l Appendicularl Skeleton

Answer:

(126l bones)l makel upl thel bonesl ofl thel upperl limbsl andl lowerl limbsl andl thel bonesl thatl comprisel thel twol girdlesl (pectorall orl shoulderl girdlel andl pelvicl girdle)l thatl attachl thel upperl andl lowerl limbsl tol thel otherl skeletall system.

Q:l Whatl isl thel purposel ofl thel axiall skeleton?

Answer:

tol protectl thel body'sl mostl vitall organs,l includingl thel brain,l spinall cord,l heart,l andl lungs.

Q:l Howl manyl bonesl doesl thel axiall skeletonl consistl ofl andl whatl arel theyl exactly?

Answer:

80l bones.l 8l craniall bonesl 14l faciall bonesl 26l vertebrall bonesl 24l ribsl 8l accessoryl bones,l suchl asl thel sternum,l hyoid,l andl ossiclesl ofl thel ear.

Q:l Howl manyl bonesl arel inl thel faciall bone? 2 / 4

Answer:

14l faciall bones

Q:l Namel alll thel faciall bonesl inl thel skull.

Answer:

2l Zygomatic 2l maxillaryl 1l mandiblel 1l vomerl 2l nasall 2l palatinel 2l lacrimal

Q:l Wherel canl thel cheekbonesl bel found?

Answer:

Zygomaticl bones,l totall ofl 2l inl thel skull

Q:l Wherel canl thel upperl jawl bel found?

Answer:

Maxillaryl bone,l totall ofl 2l inl thel skull

Q:l Wherel canl thel lowerl jawl bel found?

Answer:

Mandiblel bone,l onlyl onel inl thel skull.l Itl isl thel onlyl moveablel bonel ofl thel skull.

Q:l Wherel canl thel basel ofl thel nasall septuml bel found?

Answer: 3 / 4

Vomerl bone,l onlyl onel inl thel skull.l Itsl thel cartilagel walll thatl dividesl thel twol nasall cavities.

Q:l Wherel canl youl findl thel upperl partl ofl thel bridgel ofl thel nose?

Answer:

Nasall bone,l 2l inl thel skull.l Theyl alsol forml partl ofl thel nasall septuml andl supportl thel bridgel ofl thel nose.

Q:l Whatl makesl upl thel palatinel bonel andl howl manyl arel there?

Answer:

Thel anteriorl partl ofl thel hardl palatel ofl thel mouthl andl thel floorl ofl thel nose.l 2l totall bonesl inl thel skull.

Q:l Whatl makesl upl thel lacrimall bonel andl howl manyl arel there?

Answer:

Makesl upl thel innerl cornerl ofl eachl orbitl (socketl ofl thel eye)l andl therel arel twol bonesl inl thel skull.

Q:l Howl manyl bonesl makel upl thel cranium?

Answer:

8l bones

Q:l Namel alll ofl thel craniall bones.

Answer:

Frontal Parietal Occipital Temporal

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