HESI A2 ANATOMY AND PHYSIOLOGY QUESTIONS AND ANSWERS

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HESI A2 ANATOMY AND PHYSIOLOGY
QUESTIONS AND ANSWERS

What is histology? - correct answer- The study of tissues
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What is a tissue? - correct answer- A group of cells that act together
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to perform a specific function.
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What are the fundamental tissues? - correct answer- Epithelial
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| Connective
Muscle
Nerve
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(Elephants Can Make News) | | |




What is the function of epithelial cells? - correct answer- Cover,
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line, and protect the body and the internal organs.
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What is the function of connective tissue? - correct answer-
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Framework of the body. Provides support and structure to organs.
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What is neuroglia? - correct answer- The neurons and connective
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tissue cells that compose nerve tissue.
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What ability does muscle tissue have? - correct answer- Ability to
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contract and shorten.
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What is muscle tissue classified as? - correct answer-
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Voluntary(skeletal muscles) and involuntary(smooth & cardiac)
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What is meiosis? - correct answer- The cell division that takes
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place in the gonads, i.e. the ovaries and testes.
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What two layers compose the skin? - correct answer- Epidermis
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and dermis.
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What is the epidermis? - correct answer- The outermost protective
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layer of dead keratinized epithelial cells.
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What is the dermis? - correct answer- The underlying layer of
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connective tissue with blood vessels, nerve endings, and the
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associated skin tissues.
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What are the layers of the epidermis? - correct answer- Corneum
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Lucidum
Granulosum
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Germivatum ( basale & spinosum) Mnemonic: | | | | |




Candy Lions Growl Great.
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What does the protein pigment melanin protect against? - correct
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answer- Radiation from the Sun
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What is the dermis composed of? - correct answer- Fibrous
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connective tissue with nerve endings, blood vessels, sensory
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nerve endings, hair follicles, and glands.
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What are the 2 types of sweat glands? - correct answer- ecrine &
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apocrine
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What do ecrine sweat glands produce? - correct answer- Sweat.
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Regulate body temperature.
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What do apocrine sweat glands produce? - correct answer-
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Secretions contain bits of cytoplasm from cells, attracting bacteria
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that produces body odor.
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What do sebaceous glands secrete? - correct answer- They
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secrete sebum through the hair follicles, which lubricates the
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skin and prevents drying.
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What secretion produces oil? - correct answer- Holocrine
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secretion.
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What are sebaceous glands prone to during adolescence? -
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correct answer- Becoming clogged and attracting bacteria.
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What protein composes the hair and skin? - correct answer-
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Keratin
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What makes the body's framework? - correct answer- Bone,
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cartilage, ligaments & joints.
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