Straighterline Anatomy and Physiology 1 Exam Questions With Fully Verified Answers

Straighterline Anatomy and Physiology 1 Exam Questions With Fully Verified Answers An organ system is - answera group of organs with a common set of functions An organelle is - answera small structure within a cell A cell is - answerthe basic structural unit of living organisms What technique creates a three-dimensional dynamic image of blood vessels? - answerdigital subtraction angiography The delivery of a radioactive compound to the body to study the metabolism of tissues is called - answerPET A tissue is a - answergroup of cells with similar structure and function What branch of physiology would study the effects of sunbathing on the skin? - answerorgan physiology Microscopic examination of a frozen tissue specimen is an application of which of the following disciplines? - answerhistology 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?. - answerFor every cell in your body, there are ten microbial cells The study of the body's organization by areas is - answerregional anatomy Medial means - answertoward the middle or midline of the body This is a sagittal section through the abdominopelvic cavity. What structures does "E" represent? - answerretroperitoneal organs Which of the following systems carries necessary compounds like oxygen and nutrients throughout the body? - answercardiovascular The thumb is ___ to the fifth digit (little finger). - answerlateral In reference to the body tempaerature in living organisms, the set point can be defined as the - answerideal normal value The sural region is the - answercalf The visceral pleura is - answerthe serous membrane that covers the lungs The cervical region is the - answerneck 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. - answerpositive The popliteal region is the - answerhollow behind the knee Cations and anions that dissociate in water are sometimes called - answerelectrolytes, 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 - answer20 neutrons A neutral atom contains - answerthe same number of electrons and protons Subatomic particles located around the nucleus of an atom are - answerelectrons Which of the following is not a use of X-ray imaging? - answerbrain 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. - answerlight, absorb; dark, do not absorb Sodium chloride is considered a(n) - answercompound Which of the following factors will influence the rate of chemical reactions? - answerAll of these factors will influence the rate of chemical reactions The four most abundant elements in the human body are - answercarbon, hydrogen, oxygen, and nitrogen The three forms of matter are: - answersolids, liquids, and gases Eicosanoids - answerplay a role in the response of tissues to injuries The sodium chloride molecule breaks apart in water. What does "A" represent? - answersalt crystal Which of the following statements is false? - answerWater evaporation heats the body All of the following terms relate to lipids. Which does not belong with the other four? - answertriglyceride Which of the following is a component of a nucleotide? - answeradenine--a nitrogen base A solution that contains one osmole of solute in one kilogram (kg) of water is called a - answer1 osmolal solution Which of the following is the correct complementary strand to CATGTC? - answerGTACAG Which of the following organic groups does DNA belong to? - answernucleic acid Which of the following molecules is NOT made from cholesterol? - answerprostaglandins The pH value - answeris determined by the concentration of hydrogen ions In order to study in detail the anatomy of internal cell parts, it would be best to use - answera transmission electron microscope (TEM) What structure does "A" represent on the diagram of the plasma membrane? - answerphospholipid bilayer What structure does "D" represent on the diagram of the plasma membrane? - answerintegral protein Which of the following activities is a function of the plasma membrane? - answerrecognition of bacterial cells by the immune system What structure does "B" represent on the diagram of the plasma membrane? - answermembrane channel protein What structure does "E" represent on the diagram of the plasma membrane? - answerinternal membrane surface If 0.9% NaCl (saline) solution is isotonic to a cell, then a 0.5% saline solution - answeris hypotonic to the cell What type of membrane proteins have an exposed site on the outer cell surface that can attach to a ligand? - answerreceptor proteins A cell's ability to replenish ATP is reduced by a metabolic poison. Which organelle is being affected? - answermitochondrion