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HESI A2 Anatomy and Physiology Questions and Correct Answers
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  • August 15, 2024
  • 32
  • 2024/2025
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  • Questions & answers

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  • hesi a2 anatomy and physiology questions and corr

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HESI A2 Anatomy and Physiology Questions
and Correct Answers
What is histology?

✓ ~~~ The study of tissues




What is a tissue?

✓ ~~~ A group of cells that act together to perform a specific function.



What are the fundamental tissues?

✓ ~~~ Epithelial
Connective

Muscle

Nerve

(Elephants Can Make News)




What is the function of epithelial cells?

✓ ~~~ Cover, line, and protect the body and the internal organs.




What is the function of connective tissue?

✓ ~~~ Framework of the body. Provides support and structure to organs.




What is neuroglia?

, ✓ ~~~ The neurons and connective tissue cells that compose nerve tissue.




What ability does muscle tissue have?

✓ ~~~ Ability to contract and shorten.




What is muscle tissue classified as?

✓ ~~~ Voluntary(skeletal muscles) and involuntary(smooth & cardiac)



What is meiosis?

✓ ~~~ The cell division that takes place in the gonads, i.e. the ovaries and testes.



What two layers compose the skin?

✓ ~~~ Epidermis and dermis.




What is the epidermis?

✓ ~~~ The outermost protective layer of dead keratinized epithelial cells.



What is the dermis?

✓ ~~~ The underlying layer of connective tissue with blood vessels, nerve endings,
and the associated skin tissues.




What are the layers of the epidermis?

✓ ~~~ Corneum
Lucidum

,Granulosum

Germivatum ( basale & spinosum)

Mnemonic: Candy Lions Growl Great.




What does the protein pigment melanin protect against?

✓ ~~~ Radiation from the Sun




What is the dermis composed of?

✓ ~~~ Fibrous connective tissue with nerve endings, blood vessels, sensory nerve
endings, hair follicles, and glands.




What are the 2 types of sweat glands?

✓ ~~~ ecrine & apocrine



What do ecrine sweat glands produce?

✓ ~~~ Sweat. Regulate body temperature.




What do apocrine sweat glands produce?

✓ ~~~ Secretions contain bits of cytoplasm from cells, attracting bacteria that
produces body odor.




What do sebaceous glands secrete?

✓ ~~~ They secrete sebum through the hair follicles, which lubricates the skin and
prevents drying.

, What secretion produces oil?

✓ ~~~ Holocrine secretion.



What are sebaceous glands prone to during adolescence?

✓ ~~~ Becoming clogged and attracting bacteria.




What protein composes the hair and skin?

✓ ~~~ Keratin




What makes the body's framework?

✓ ~~~ Bone, cartilage, ligaments & joints.




What are the functions of the skeletal system?

✓ ~~~ Support, movement, blood cell formation, protection of internal organs,
detoxification, muscle attachment, mineral storage. *A MIME BATHED SEALS
SINGING "MY PONY"*



How are bones classified?

✓ ~~~ By shape.
Long

Short

flat

irregular

sesamoid

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