TEAS test 6, science Questions with 100% Correct Answers

which of the following pairs correctly matches a cellular organelle with its function? A. golgi apparatus- protein synthesis B. smooth endoplasmic reticulum- energy C. Cytoskeleton- movement D. cell membrane- storage - Correct Answer-cytoskeleton- movement which of the following describes an anatomical relationship between two structures in the human body? A. the mouth is anterior to the nose B. the ribs are lateral to the sternum C. the patella is inferior to the tibia D. muscles are superficial to skin - Correct Answer-the ribs are lateral to the sternum which of these organs is directly involved in the synthesis of red blood cells in an adult? A. liver b. spleen c. bone marrow d. lymph nodes - Correct Answer-bone marrow at the end of a sprint, a runner breathes hard because the medulla oblongata senses which of the following? a. low oxygen levels in the blood b. low carbon dioxide levels in blood c. blood becoming more alkaline d. blood becoming more acidic - Correct Answer-blood becoming more acidic which of the following situations would result in increased oxygen diffusion from alveoli into the blood? a. increase in perfusion and decrease in ventilation b. an increase in oxygen concentration of blood c. reduction in alveolar surface area d. reduction in residual volume of the lung - Correct Answer-reduction in residual volume of the lung which of the following describes a property of cardiac cells? a. generation of electrical impulses b. production of red blood cells c. immune protection functions d. removal of waste products from the body - Correct Answer-generation of electrical impulses which of the following blood component levels would be expected to increase following vaccination? a. red blood cells b. antibodies c. dissolved gases d. leukocytes - Correct Answer-antibodies which of the following statements regarding the circulatory system is correct? a. the sinoatrial node is present in the top section of the right atrium b. all veins carry deoxygenated blood back to the heart c. the heart's "lub-dub" sound is caused by the electrical impulse generation d. the heart's atria have thicker walls than the ventricles - Correct Answer-the sinoatrial node is present in the top section of the right atrium which of the following physiological responses follows eating a large meal? a. pulse rate increases b. peristalsis rate increases c. enzyme production decreases d. parasympathetic nervous activity decreases - Correct Answer-peristalsis rate increases which of the following describes why liver failure is a critical health emergency? a. the liver produces the majority of digestive enzymes b. food is filtered through the liver before digestion takes place c. the liver helps digested food products to be pumped around the body d. the liver filters digestion products and produces urea as waste - Correct Answer-the liver filters digestion products and produces urea as waste salivary amylase - Correct Answer-carbohydrate- digesting enzyme produced by salivary glands pepsinogen - Correct Answer-zymogen form of protease produced by the stomach parietal cells - Correct Answer-cells that produce acid in the stomach pyloric sphincter - Correct Answer-valve through which chyme passes from stomach to duodenum gastrin - Correct Answer-hormone produced by stomach that induces stomach secretions cholecystokinin - Correct Answer-hormone that induces bile and pancreatic juice secretion jejunum - Correct Answer-second secretion of small intestine where majority of absorbtion occurs hepatic portal vein - Correct Answer-blood vessel that carries nutrients directly from small intestine to liver water - Correct Answer-substance mainly absorbed from waste in large intestine rectum - Correct Answer-region of large intestine in which feces is stored before elimination which of the following actions is controlled by the autonomic nervous system?