Straighterline A&P 1 Cumulative Final Exam Questions With 100% Verified Answers

Straighterline A&P 1 Cumulative Final Exam Questions With 100% Verified Answers Which is an example of a normally occurring positive-feedback mechanism? - answerstretching of the uterus near the end of pregnancy Which of the following is the most widely distributed type of muscle in the body? - answerSmooth A doctor performing an autopsy on a patient concludes that part of the brain was likely damaged by trauma due to a large population of which type of cell? - answermicroglia During DNA replication, how does each template strand eventually become two identical DNA molecules? - answerOne strand forms continuously, the other forms in short segments spliced by DNA ligase Which is the most superficial layer of skin that is composed primarily of living cells? - answerstratum spinosum Which of the following components of the bone matrix, when removed, allows the bone to be easily shattered? - answerCollagen The targeted response of the hormone lipotropin is an increase in which of the following? - answerthe breakdown of fat in adipose tissues What is the smallest level of organization in the body that contains the body's genetic information? - answercellular Which sentence best describes the sliding filament model of muscle contraction? - answerSarcomeres and myofibrils contract Which of the following is the definition of a third degree burn? - answera burn that has destroyed the dermis and epidermis Which class of chemical messengers is secreted by neurons into synaptic clefts to activate an adjacent cell? - answerNeurotransmitter Which of the following types of openings in the skeletal system does a "sinus" describe? - answerCavity Which of the following processes generates the most ATP within a human cell? - answerOxidative phosphorylation What type of axons is found in a gray ramus comunicans? - answerunmyelinated, post- ganglionic axons Deep means - answerAway from the surface Which of the following is consistent with homeostasis? - answerAs body temperature rises, sweating occurs to cool the body which of the following describes the position of the nose? - answerSuperior to the mouth An organelle is - answerA small structure within a cell Posterior means - answerToward the back of the body Which body system would be affected by degeneration of cartilage in joints? - answerSkeletal Inferior - answerPointing towards the feet (down) The study of tissues is - answerhistology Cephalic means - answercloser to the head the term "dorsal" means - answertoward the back of the body The thumb is ______ to the fifth digit (little finger). - answerlateral The shoulder is _______ to the elbow - answerproximal The inguinal region is commonly known as the - answerGroin Nerve cells generate electrical signals in response to changes in the environment. This is an example of - answerresponsiveness Magnetic resonance imaging is based on the movement of - answerprotons in a magnetic field The pectoral region is the - answerchest area An increase in the number of cells is - answerGrowth What system removes nitrogenous waste products from the blood and regulates blood pH, ion balance, and water balance? - answerurinary The sural region is the - answercalf An anatomic image created from sound waves is a - answersonogram the lumbar region is the - answerlower back Which of the following systems carries necessary compounds like oxygen and nutrients throughout the body? - answercardiovascular Anatomy is - answerthe study of structure the visceral pleura is - answerthe serous membrane that covers the lungs Which of the following is most similar to the negative feedback mechanism in human physiology? - answerA toilet tank refills itself after a flush The pleural cavity is the - answerspace located between the visceral and parietal pleura The popliteal region is the - answerhollow behind the knee Organize the following structural levels of the human body from simplest to most complex. (1) Cell (2) tissue (3) chemical (4) organ system (5) organ - answer3,1,2,5,4 The cavity of the body immediately inferior to the diaphragm is the ____________ cavity - answerabdominal The change in shape of tissues or organs is called - answermorphogensis Homeostasis is defined as - answerthe maintenance of a relatively constant environment within the body An organism's ability to use energy in order to swim is an example of - answermetabolism A researcher discovered a sensory receptor that detects decreasing oxygen concentrations in the blood. According to the principles of negative feedback, it is likely that stimulation of this sensory receptor will produce which of the following types of responses? - answeran increase in the respiratory rate Which of the following activities would represent a physiological study? - answerdetermining normal blood sugar levels for 20-year-old students Toward the midline of the body is - answermedian