Nightingale - SCI220 - Human Anatomy with Lab(153 questions with 100% correct answers).doc, Exams of Biology

Download Nightingale - SCI220 - Human Anatomy with Lab(153 questions with 100% correct answers).doc and more Exams Biology in PDF only on Docsity! Nightingale - SCI220 - Human Anatomy with Lab(153 questions with 100% correct answers) The number of abdominal regions is: - answer nine A frontal section divides the body into _____ portions. - answer front and back A surgeon removing a gallbladder should know to find it in the _____ region. - answer right hypochondriac Blood production is a function of which system? - answer Skeletal The gallbladder lies in the: - answer abdominal cavity. What is the anatomical direction term that means nearer the surface? - answer Superficial Two major cavities of the human body are: - answer ventral/dorsal. The mediastinum contains all of the following except the: - answer right lung. An organ is one organizational level higher than a(n): - answer tissue. An x-ray technician has been asked to make x-ray films of the liver. Which of the abdominopelvic regions must be included? - answer Right hypochondriac, epigastric, and left hypochondriac The abdominopelvic cavity contains all of the following except the: - answer heart The structure that is called the "powerhouse" of the cell is the: - answer mitochondria. Mitochondria, Golgi apparatus, and endoplasmic reticulum are examples of: - answer organelles The abdominal quadrants are located with what structure as their midpoint? - answer Umbilicus A sagittal section divides the body into _____ portions - answer right and left The reproductive system includes all of the following except the: - answer ureter The smallest living units of structure and function in the body are: - answer cells Popliteal refers to the: - answer area behind the knee. Physiology is defined as the study of the _____ of a living organism. - answer function The body as a whole can be subdivided into two major divisions. They are - answer axial and appendicular. Which structure is located entirely within the right upper quadrant? - answer gallbladder As an anatomical region, lumbar refers to - answer the infero-medial aspect of the back. The chest is ________ to the abdomen. - answer superior Which letter indicates the mental region? - answer A Which branch of anatomy studies the structural changes that occur as one ages? - answer developmental anatomy The abdominopelvic cavity is subdivided into the _____ cavities. - answer abdominal and pelvic Which letter indicates the umbilical region? - answer B Another name for the midsagittal plane is - answer median Regarding directional terms, superior means - answer toward the head. Which letter indicates the femoral region? - answer D The inguinal region lies - answer where the thigh joins the trunk. The space that encloses the brain and spinal cord forms one continuous cavity called the _____ cavity. - answer dorsal The body as a whole can be subdivided into two major divisions. They are - answer axial and appendicular. All of the following are characteristics of human life except - answer synthesis by scientists. The process of the digestion of food is an example of which type of reaction? - answer Decomposition The most abundant and important compound(s) in the body is(are): - answer water. When atoms combine, they may gain, lose, or share: - answer electrons. As the concentration of hydrogen ions (H+) increases, the: - answer solution becomes more acidic. The hydrogen isotope tritium consists of: - answer one proton and two neutrons. An ionic bond is formed by: - answer a positive and a negative ion attracting each other. Acids: - answer are proton donors. taste sour. release hydrogen ions in an aqueous solution. An example of a catabolic process is: - answer hydrolysis. Which of the following represents properties of water? - answer High specific heat High heat of vaporization Strong polarity The approximate pH of gastric fluid is: - answer 2. An example of an element would be: - answer Ne. Which of the following represents a trace element in the body? - answer Iron The study of metabolism includes examination of: - answer catabolism. anabolism. ATP requirements. Which of the following elements is least likely to combine with another element? - answer Helium A magnesium atom has an atomic number of 12, an atomic mass of 25, and a +2 charge. This atom would contain _____ protons, _____ neutrons, and _____ electrons. - answer 12; 13; 10 An example of a catabolic process is: - answer hydrolysis. A solution that contains a greater concentration of hydroxide ions (OH-) than hydrogen ions (H+) is a(n) _____ solution. - answer alkaline (basic) The kind of element is determined by the number of: - answer protons The type of reaction in which substances are combined to form more complex substances is called a(n) _____ reaction. - answer synthesis Carbon has an atomic number of 6. The number of electrons found in the first shell is: - answer two. Which of the following statements about integral proteins in the plasma membrane is false? - answer They are more abundant by volume than the membrane phospholipids. This organelle primarily modifies products from the rough ER, and it resembles a stack of hollow saucers, one cupped inside the next. - answer Golgi apparatus Of the following, the only organelle that has a double membrane structure is the - answer mitochondrion. This membranous organelle contains oxidase and catalase enzymes. - answer peroxisome In the matrix of the plasma membrane, a variety of proteins are embedded. Some of these proteins serve as passageway for Na+ ions or glucose. These proteins are called - answer transport proteins. Ribosomes may be either free within the cytoplasm or bound to a membrane system known as the - answer rough endoplasmic reticulum. A spherical membrane-bound structure that contains the genetic material of the cell and is often referred to as the "command center" of the cell is the - answer nucleus. The outer boundary of a human cell is called the - answer plasma membrane. Which of the following cytoskeleton elements are the largest in diameter? - answer microtubules Which of the following is a type of cell extension that lines the intestines and other areas of the body? - answer microvilli The plasma membrane is composed of all of the following except - answer tubulin protein. This organelle has both a cis and a trans face. - answer Golgi apparatus A major function of the cell membrane is to - answer control what enters and leaves the cell. Rafts are stiff groupings of membrane molecules. What is their function? - answer Help organize the various components of the plasma membrane Play an important role in the pinching of a parent cell into two daughter cells Sometimes allow the cell to form depressions that form a means of carrying substances into the cell The structure in cells that is associated with the enzymatic breakdown (digestion) of foreign material is the: - answer lysosome. Which are the organelles that allow for the recycling of amino acids in the cell? - answer Proteasomes Tiny indentations of the plasma membrane that resemble caves are called: - answer caveolae ATP production occurs within which organelle? - answer Mitochondrion Which of the following does not describe a structure or function of the proteasome? - answer Breaking down abnormal and misfolded proteins released from the ER Looks like a hollow cylindrical drum made of protein subunits Requires the small protein called ubiquitin to pull proteins in The fundamental organizational unit of life is the: - answer cell. DNA is a major constituent of which cell organelle? - answer Nucleus Projections from the cell that move materials and mucus are called: - answer cilia. Which organelle processes and packages material to be secreted? - answer Golgi apparatus Skin cells (epithelial) are held tightly together by: - answer desmosomes. Which cell extension lacks a central pair of microtubules, is not found in blood cells, and The identification function of the cell membrane is carried out by the: - answer glycoprotein molecules. In the cell membrane, the hydrophilic part of the phospholipid molecule: - answer faces the exterior of the cell. faces the interior of the cell. The presence of which substance in the cell membrane keeps it from breaking too easily? - answer Cholesterol The membranous structure containing substances that protect the cell from harm are: - answer ribosomes. peroxisomes. The enzyme catalase is an important chemical in the functioning of the: - answer peroxisomes Which of the following is not true about ribosomes? - answer Surrounded by a membrane structure Which of the following is not a function of the smooth endoplasmic reticulum? - answer Provides a site for ribosome attachment Granules or threads within the nucleus are called: - answer chromatin. Which of the following is not true of the rough endoplasmic reticulum? - answer It makes lipids and carbohydrates. Which of the following organelles is considered a nonmembranous organelle? - answer Ribosome