University Of Pennsylvania

Ace your HOSA Nursing Assisting competition and coursework with our comprehensive guide. Master vital skills, patient care techniques, safety protocols, and ethical considerations. Gain a strong foundation in key nursing assisting concepts, preparing you for success in healthcare and your future career. Your essential resource starts here

Unlock the complexities of lifespan development with our Growth and Development Nursing resources. Master crucial theories, developmental milestones across all age groups, and nursing interventions tailored to each stage. Ace your exams and confidently apply this essential knowledge in pediatric, maternal, and family health settings. Get clear, concise study materials now

muscle fiber - Answer an individual muscle cell fasicle - Answer a group of muscle cells within the belly of a muscle sarcolemma - Answer plasma membrane of skeletal muscle cells sarcoplasm - Answer the cytoplasm of a skeletal muscle cell sarcomere - Answer Contractile unit of a muscle cell that make a myofibirl sarcoplasmic reticulum - Answer Modified endoplasmic reticulum that regulates calcium in the cell T (transverse) tubules - Answer Tubes continuous ...

synapse - Answer space between neurons, where the conversion from an electrical signal to a chemical signal occurs neruotransmitter - Answer chemical messenger released at the end of a nerve cell presynaptic cell - Answer neuron that sends message, gives off the electrical signal postsynaptic cell - Answer neuron that receives message voltage-gated calcium channels - Answer A membrane protein forming a pore that is permeable to Ca2+ ions and gated by depolarization of ...

Epiphysis - Answer End of a long bone Diaphysis - Answer shaft of long bone Periosteum - Answer (outside) -Contains fibrous & osteogenic layers Endosteum - Answer (inside) -Lining of medullary cavity -Contain osteogenic cells articular cartilage - Answer Covers joint to reduce friction medullary cavity - Answer Site of bone marrow production ephiphyseal plate/line - Answer Spongy (trabecular) bone - Answer Many spaces for vessels and marrow Com...

At the neuromuscular junction, an electrical signal from the motor neuron is translated to a chemical signal and then back to an electrical signal in the muscle cell. What proteins interact with the released chemical to cause the electrical signal in the muscle cell? - Answer Cation chemical-gated channels Which of the following processes directly require binding of or the use of ATP? Choose all that apply. - Answer - Release of cross-bridge (interaction) between actin and myosin. - Mo...

endocrine system - Answer glands secret hormones directly to the blood nervous tissue - Answer fast and direct to target functions of neurons - Answer excitable, conductive, secrete neurotransmitters, respond to stimuli dendrites - Answer receive signals from other neurons cell body - Answer contain nucleus axons - Answer can be myelinated or not, help with faster transmission synapse - Answer point in between two neurons unipolar neurons - Answer axo...

homeostasis - Answer the body's ability to maintain a constant environment two types of control systems in the body - Answer negative and positive feedback loops negative feedback loops - Answer body senses change and reacts to negate or reverse the condition positive feedback loops - Answer self-amplifying cycles in which an initial change leads to a greater change four major categories of organic molecules - Answer carbohydrates, lipids, proteins, nucleic acids ...

In a chemical synapse, the axon terminal of the presynaptic neuron is in direct contact with the dendrite of the postsynaptic neuron. - Answer False What molecules are located INSIDE synaptic vesicles? - Answer Neurotransmitters In a resting (or unexcited) neuron, calcium is at a higher concentration ______________ of the cell. - Answer outside What molecule DIRECTLY causes a vesicle to merge (or fuse) to the membrane of the presynaptic neuron? - Answer calcium ion Releas...

Red bone marrow - Answer produces blood cells Skeletal System Functions - Answer -Supports soft tissues and provides attachment points for tendons of skeletal muscles -Protects the most important internal organs -Assists in movement by acting as levers for skeletal muscles -Osseous tissue stores and releases minerals, particularly calcium and phosphorus -Red marrow within bones produces blood cells -Yellow marrow within bones stores triglycerides, a source of potential energy Ye...