Ati teas 7 – Anatomy Practise question and Answers 100% correct

Which of the following best describes the function of melanocytes - CORRECT ANSWER-Production of melanin ( Melanocytes produce melanin that protect the body from ultraviolet radiation. In the human body, which of the following body parts are in a superior position to the lungs? - CORRECT ANSWER-Trachea and brain The part of the arm that is most distal to the shoulder of the human body - CORRECT ANSWER-The thumb is farthest away from the shoulder Which terms add clarity to anatomical position relative to the coronal plane? - CORRECT ANSWER-Coronal or frontal plane is a front and back division (Anterior and posterior). Which two terms are likely to appear in the same discussion related to a part of the body - CORRECT ANSWER-Dorsal and lumbar Which of the following list the primary parts of the heart? - CORRECT ANSWER-Muscle tissue split into four chambers Which of the following blood components is responsible for transporting oxygen? - CORRECT ANSWER-red blood cells Which of the following chambers pumps blood toward the lungs? - CORRECT ANSWER-Right ventricle Which of the following statements best describes the function of veins? - CORRECT ANSWER-Veins carry blood back to the heart. Which of the following structures changes the volume of the lungs? - CORRECT ANSWER-Diaphragm Which of the following statements best explains how the structure of alveoli relates to its function? - CORRECT ANSWER-The walls the alveoli are thin to increase the rate of diffusion Which of the following statements best describes the primary function of the respiratory system? - CORRECT ANSWER-It exchanges gases between the blood and the air in an environment Ati teas 7 – Anatomy Practise question and Answers 100% correct Which of the following correctly describes the make up of the lungs? - CORRECT ANSWER-Right lung, three lobes, left lung, two lobes In which of the following organs does the digestion begin? - CORRECT ANSWERMouth In which of the following organs does the breakdown of proteins begin? - CORRECT ANSWER-Stomach Which of the following structures absorbs nutrients in the small intestines? - CORRECT ANSWER-Microvilli Which of the following statements best describes peristalsis? - CORRECT ANSWERMuscle contractions that move food through the digestive tract. Which of the following actions are controlled by voluntary nerve signals? - CORRECT ANSWER-Walking and Talking Which of the following best describes the function of a nerve synapse? - CORRECT ANSWER-It allows for the passing of signals between neurons and other neurons or between neurons and muscles Which of the following describes the role of the central nervous system? - CORRECT ANSWER-It controls the regulation of body systems. Which of the following types of nerves sends messages to the brain? - CORRECT ANSWER-Sensory Which of the following are thick filaments in a muscle cell? - CORRECT ANSWERMyosin Which of the following best describes the role of tendons? - CORRECT ANSWER-They connect muscle to bone Which of the following types of muscle tissue is voluntary? - CORRECT ANSWERSkeletal Which of the following muscle are located at the shoulder - CORRECT ANSWERDeltoids Which of the following organs produce female gametes? - CORRECT ANSWER-Ovary Which is the location where fertilization typically takes place? - CORRECT ANSWERfallopian tubes Which of the following best describes one function of estrogen? - CORRECT ANSWERMaturation of eggs Which of the following result from the production of luteinizing hormone (LH) in males? - CORRECT ANSWER-. Facial hair growth . Testosterone production . Sperm production Which of the following is the layer of skin that forms a protective, waterproof barrier? - CORRECT ANSWER-Epidermis Which of the following best describes the function of melanocytes? - CORRECT ANSWER-production of melanin Which of the following layers of the skin contains hair follicles - CORRECT ANSWERDermis Which of the following layers of the skin contains a layer of dead cells? - CORRECT ANSWER-Epidermis Which of the following best describes the kind of message sent in the endocrine system? - CORRECT ANSWER-Chemicals signals travel through the bloodstream. Electrical signals are part of the nervous system. Physical, audio, and visual signals are received by the nervous systems. Which of the following structures secretes releasing hormones? - CORRECT ANSWERThe hypothalamus integrates the endocrine and nervous system. it secretes both releasing and inhibiting hormones, which are sent to the pituitary gland. pituitary gland - CORRECT ANSWER-it secretes a number of hormones sent to other cells. Which of the following is a function of the pineal gland? - CORRECT ANSWER-The pineal gland secrets melatonin, which helps regulate the body's sleep cycle. which of the following glands releases epinephrine during stress - CORRECT ANSWER-Adrenal glands Which of the following parts of the male urinary system also transports sperm? - CORRECT ANSWER-Urethra Which of the following waste products from digestion does the kidney remove? - CORRECT ANSWER-Nitrogen Which of the following best describe the outcome if the kidney stopped functioning? - CORRECT ANSWER-Blood would fill with waste and the human body would not be able to maintain homeostasis. Which of the following structures is the structural and functional unit of the kidney? - CORRECT ANSWER-Nephron Which of the following helps to prevent patho gens from invading the body? - CORRECT ANSWER-Mucus A bacteria cell enters the body through a cut in the skin. which of the following describes the immune response that would occur nest? - CORRECT ANSWER-Histamine. Histamine are released to stimulate blood flow to the area of the cut, allowing white blood cells to infiltrate the area. Which of the following types of cells produces antibodies? - CORRECT ANSWERPlasma cells Which of the following best describe the purpose of a vaccine? - CORRECT ANSWERto produce antibodies in case of future infection which of the following break down bone material? - CORRECT ANSWER-Osteoclast break down bone material Osteoblasts - CORRECT ANSWER-osteoblasts build up bone material canaliculi - CORRECT ANSWER-canaliculi are channels in the matrix osteocytes - CORRECT ANSWER-they are mature bone cells Which of the following are considered short bones? - CORRECT ANSWER-Carpals and tarsal Which of the following best describes the purpose of hyaline cartilage in the skeletal system? - CORRECT ANSWER-It reduces friction at the joints which of the following best explains the cause of osteoporosis? - CORRECT ANSWEROsteoclasts break down bone faster than osteoblasts deposit minerals List the six components of the biological hierarchy of the body, from least to most complex? - CORRECT ANSWER--chemicals -cells -tissues -organs -organ system -organism which of the following describes the function of the ribosome? - CORRECT ANSWERProtein synthesis Because muscle cells require large amounts of energy to function correctly, which organelles would be abundant in those types of cells. - CORRECT ANSWERMitochondria which of the following organelles houses the genetic material - CORRECT ANSWERNucleus which of the following nucleotides pairs with adenine in DNA? - CORRECT ANSWERThymine Cytosine - CORRECT ANSWER-Guanine Which of the following is the number of chromosomes found in a human cell? - CORRECT ANSWER-46(23)pairs. Humans have 23 pairs of Chromosomes Which of the following statements about nucleotides and genes are corrects? - CORRECT ANSWER-Nucleotides form string of DNA that make up genes. Genes make up chromosomes Which of the following is the name for a segment of DNA that codes for a protein? - CORRECT ANSWER-A gene codes for a protein Apply concepts underlying Mendel's law of inheritance - CORRECT ANSWER-Capital letters are used for dominants alleles. Homozygous genotypes have two of the same alleles. Pea plants have seeds that are either green or yellow. Green seeds are dominant to yellow seeds. Two pea plants that are heterozygous for seed color are crossed. What percentage of their offspring will have green seeds? - CORRECT ANSWER-75% Which of the following best describes the expression of alleles? - CORRECT ANSWERPhenotype Which of the following best describes non-mendelian in heritance patterns? - CORRECT ANSWER-Non- Mendelian traits are due to the presence of more than simple dominances recessiveness. Which of the following groups is synthesized from monosaccharides like glucose? - CORRECT ANSWER-Carbohydrates (glucose is a carbohydrate monomer). Which of the following macromolecules store genetic information - CORRECT ANSWER-Deoxyribonucleic acid, or DNA, stores copies of genetic information. Which of the following monomers form enzymes? - CORRECT ANSWER-Enzymes are proteins. So, they are made up of amino acids Which of the following food contain mostly lipids - CORRECT ANSWER-oil. oil is made up of lipids What term is used to describe all disease causing microorganism? - CORRECT ANSWER-Pathogens are disease causing micro organism Which if the following is at the core of every virus particle? - CORRECT ANSWER-DNA or RNA Which microscope achieves the greatest resolution and highest magnification? - CORRECT ANSWER-Electron (the Electron microscope is able to achieve magnification of specimens that far exceeds that of any light microscope and with greater resolution. Which of the following are considered micro-organism - CORRECT ANSWER--Protozoa -Bacteria -fungi Which of the following neutral atoms would have 10 protons, 11 neutrons, and 10 electrons. A. Neon B. Sodium C. Calcium D. Boron - CORRECT ANSWER-A.Neon Two Isotopes of carbon are found, one with an atomic mass of 12 and the other 14. which of the following best describes how these isotopes differ? - CORRECT ANSWERThe atomic mass is determined by adding the protons and neutrons. Because all carbon atoms have six protons, the number of neutrons must have changed A neutral atom of calcium has two electrons in its outer shell. Which of the following will occur when calcium forms an ion? - CORRECT ANSWER-Calcium will give away the two electrons to have a full valance shell. Which of the following best describes an oxygen atom with 8 protons and 10 electrons? - CORRECT ANSWER-This ion of oxygen has 8 protons and electrons, giving a + a charge of -2 Which of the following phase changes require the loss of heat? - CORRECT ANSWERFreezing is a phase change from liquid to solid as a result of the loss of heat. Which of the following is true of liquids? - CORRECT ANSWER-They have no definite shape, but the have definite volume. What is the density in grams per cubic centimeter of a substanvce that has a mass of 22.5 and a volume of 5 cm3? - CORRECT ANSWER-this is the correct ratio of mass to volume: 22.5:5=4 4g/cm3 or 4g/ml which of the following best describes the triple point? - CORRECT ANSWER-Point where a substance can exist as a solid, liquid, and gas. Which of these elements have the same number of valence electrons and similar chemicals properties as strontium (sr)? - CORRECT ANSWER-Elements in the same group have similar properties and the same number of valence electron. Which of the following substances are ionic compounds? - CORRECT ANSWERK(potassium) and sodium (na) aremetals, and cl (chlorine) is a nonmetal Which of the following sets of coefficients balances the following chemical reactions _n2+_h2-> -nh3 - CORRECT ANSWER-1,3,2 Solutions has a concentration of 0.05kg /L of glucose. What is its concentration in ppm? - CORRECT ANSWER-0.05kg= 0.05*10,000=50,000mg=55pm A solution has a concentration of 0.05kg/l of glucose what is its concentration in ppm? - CORRECT ANSWER-0.05kg= 0.05x10,000=50,000mg=55 Which of the following statement is true? - CORRECT ANSWER-The solubility of most solid and liquid solutes increases with increase in temperature Which of the following describes the process of diffusion - CORRECT ANSWER-It is the movement of a substance from areas of high concentration to low concentration. Concentration of sodium dissolved in water are higher inside the cell than outside. Which of the following best predicts which way the water will flow? - CORRECT ANSWER-During osmosis water moves from areas of high concentration to low concentration. Which of the following substances is an example of an acid - CORRECT ANSWER-hl is hydroiodic acid, and in water it dissociates, forming h+ and lWhich of the following substances are examples of a base - CORRECT ANSWER--koh -nh3 -naoh Can produce oh- in water orange juice, stomach acid, and coffee are all acid. which of the following is the ph level for these substances - CORRECT ANSWER-acids have a Ph lower than 7 - CORRECT ANSWER-