HESI A2 Anatomy and Physiology Questions and Answers Already Graded A
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. 1 / 4
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 2 / 4
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.
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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
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