A+P Midterm Arizona College; Questions and Answers 100% Solved

A+P Midterm Arizona College; Questions and Answers 100% Solved Transverse - ANSWER -Top and bottom Frontal/Coronal - ANSWER -divides the body into anterior and posterior parts What is homeostasis? - ANSWER -the ability to maintain a relatively stable internal environment in an ever-changing outside world Negative feedback loop - ANSWER -Mechanism by which hormonal systems function. Positive feedback loop - ANSWER -Mechanism where more of the stressor is added ex: contractions during labor Name the 4 tissues of the body - ANSWER -epithelial, connective, muscle, nervous Receptor - ANSWER -protein that detects a signal molecule and performs an action in response Effector - ANSWER -an organ or cell that acts in response to a stimulus. control center - ANSWER -Sends information to the hypothalamus of the brain What tissue is bone made of? - ANSWER -osseous tissue examples of long bones - ANSWER -humerus, radius, ulna, femur, tibia, fibula examples of short bones - ANSWER -carpals and tarsals examples of flat bone - ANSWER -sternum, ribs, cranial bones, scapula Examples of an irregular bone - ANSWER -vertebrae and facial bones examples of sesamoid bones - ANSWER -patella and pisiform Sinus - ANSWER -cavity within a bone Foramen - ANSWER -Round or oval opening through a bone Meatus - ANSWER -Long tube like passage Fossa - ANSWER -General term for any depression or cavity in a bone What is an osteon - ANSWER -structural unit of compact bone What is an osetocyte? - ANSWER -living bone cell- mature What is the endosteum - ANSWER -lines the medullary cavity What is the periosteum? - ANSWER -the tough membrane that covers the outside of the bone What are the types of ribs - ANSWER -True and floating How many pairs of true ribs do we have? - ANSWER -7 pairs of true ribs How many false ribs are there? - ANSWER -3 (8-10) What is the most common cartilage - ANSWER -hyaline 9 regions of the abdomen - ANSWER -right hypochondriac, epigastric, left hypochondriac, right lumbar, umbilical, left lumbar, right iliac, hypogastric, left iliac What is origin of the muscle - ANSWER -less moveable of the two bones is considered to be the starting point of the muscle What is the insertion point of a muscle - ANSWER -more movable end Which group of muscles make the hamstrings - ANSWER -Rectus femoris, vastus lateralis, vastus medialis Which group of muscles make the quadriceps - ANSWER -Semitendinosus, Semimembranus, Bicep femoris What is spongy bone? - ANSWER -cancellous bone- honey comb of trabeculae Axel Skeleton - ANSWER -Skull and vertebral column appendicular skeleton - ANSWER -Bones of the limbs and limb girdles that are attached to the axial skeleton 4 quadrants of the abdomen - ANSWER -RUQ, LUQ, RLQ, LLQ Hyoid - ANSWER -horse shoe shape, attached to the cervical spine Cervical spine - ANSWER -The portion of the spinal column consisting of the first seven vertebrae that lie in the neck. thoracic vertebrae - ANSWER -the second set of 12 vertebrae; form the outward curve of the spine and are known as T1 through T12 lumbar vertebrae - ANSWER -lower back (5) Cardiac and smooth muscle share a similarity in that they - ANSWER -Both have gap junctions Smooth muscle lacks microfibrils(true/false) - ANSWER -True Skeletal muscle has multiple nuclei (true/false) - ANSWER -True