Straighterline Anatomy and Physiology 1 Exam Questions and Answers, A+

An organ system is - a group of organs with a common set of functions An organelle is - a small structure within a cell A cell is - the basic structural unit of living organisms What technique creates a three-dimensional dynamic image of blood vessels? - digital subtraction angiography The delivery of a radioactive compound to the body to study the metabolism of tissues is called - PET A tissue is a - group of cells with similar structure and function What branch of physiology would study the effects of sunbathing on the skin? - organ physiology Microscopic examination of a frozen tissue specimen is an application of which of the following disciplines? - histology There are more microbial cells than human cells in your body and the health of this microbiota clearly influences human well-being. How many microbes are there?. - For every cell in your body, there are ten microbial cells The study of the body's organization by areas is - regional anatomy Medial means - toward the middle or midline of the body This is a sagittal section through the abdominopelvic cavity. What structures does "E" represent? - retroperitoneal organs Which of the following systems carries necessary compounds like oxygen and nutrients throughout the body? - cardiovascular The thumb is ___ to the fifth digit (little finger). - lateral In reference to the body tempaerature in living organisms, the set point can be defined as the - ideal normal value The sural region is the - calf The visceral pleura is - the serous membrane that covers the lungs The cervical region is the - neck Imagine the following scenario: Blood pressure decreases below normal levels.→ Blood flow to the heart decreases → Heart is unable to pump as much blood.→ Blood pressure decreases even more. This is an example of _____ feedback. - positive The popliteal region is the - hollow behind the knee Cations and anions that dissociate in water are sometimes called - electrolytes, because they can conduct an electrical current An atom has an atomic number of 19 and a mass number of 39. This atom will have - 20 neutrons A neutral atom contains - the same number of electrons and protons Subatomic particles located around the nucleus of an atom are - electrons Which of the following is not a use of X-ray imaging? - brain tumor progression In an x-ray film of the skeletal system, the dense tissue areas appear ______ because they ______ the x-rays; and the less dense tissues appear ______ because they ______ the x-rays. - light, absorb; dark, do not absorb Sodium chloride is considered a(n) - compound Which of the following factors will influence the rate of chemical reactions? - All of these factors will influence the rate of chemical reactions The four most abundant elements in the human body are - carbon, hydrogen, oxygen, and nitrogen The three forms of matter are: - solids, liquids, and gases Eicosanoids - play a role in the response of tissues to injuries The sodium chloride molecule breaks apart in water. What does "A" represent? - salt crystal Which of the following statements is false? - Water evaporation heats the body All of the following terms relate to lipids. Which does not belong with the other four? - triglyceride