TEAS 7 Science Exam Questions with Answers 3.

ATI TEAS 7 SCIENCE (97% Correct) 1. Which of the following describes the function of tendons? o Tendons attach skeletal muscle to bone o Tendons attach two bones o Tendons attach bones to ligaments o Tendons attach skeletal muscles to ligaments 2. Which of the following substances is excreted by sweet glands in response to the breakdown of protein and the formation of ammonia? o Lysoymes o Water o Urea o Sebum 3. Which of the following terms describes the removal of metabolic waste from the body? o Secretion o catabolism o anabolism o Excretion 4. The shortening of a sarcomere in skeletal muscle is directly due to the interactional of which of the following? o Acetylcholine and acetylcholinesterase o Pepsin and pepsinogen o Myosin and actin o Dynein and kinesin 5. Mutations in which of the following types of cells can be inherited by offspring? o Ovarian o endocrine o neural o muscle 6. Which of the following parts of the central nervous system releases chemicals that regulate the pituitary gland? o Hypothalamus o Cerebellum o Thalamus o Spinal cord 7. A cell is placed in a hypertonic solution. Which of the following describes the resulting osmosis? o There is no flow of water o The net flow of water into and out of the cell is zero o There is a net flow of water out of the cell o There is a net flow of water into the cell. 8. Which of the following is an example of active transport? o Aquaporins in kidney cells that help concentrate urine o Movement of substance from an area of high concentration to an area of low concentration o Movement of a sodium and potassium across the cell membrane against the concentration gradient. o Loss of water from a cell in a hypertonic solution 9. Which of the following vessels is responsible for carrying blood from the upper body to the right atrium of the heart? o Pulmonary veins o Aorta o Pulmonary arteries o Superior vena cava 10. Carbohydrates are composed of which of the following? o Nucleic acids o Monosaccharides o Isoprenoids o Amino acids 11. The following equation summarizes the carbonic acid-bicarbonate ion buffer system of the blood CO2+H2O H2CO3 HCO3- +H+ Which of the following equations shows the reaction that takes place when there are excessive H+ ions? o H2CO3 CO2 + H2O o HCO3- + H+ H2CO3 o CO2 + H2O H2CO3 o H2CO3 HCO3- +H+ 12. A student investigating the importance of wavelengths above and below the visible spectrum for photosynthesis sets up an experiment as follows over a 2 month period, all with illumination at 1 meter distance from plants grown with the same sol and watering conditions 3 Arabidopsis plant exposed to ultraviolet light (UV) 3 Arabidopsis plants exposed to infrared light (IR) 3 Arabidopsis plants exposed to white light At the end of the experiment, she finds that the IR treated plants are scorched, the UV treated plants have wilted, but the white light created plants are growing normally. Which of the following statements is most likely to be correct? o Three plants do not produce sufficient replications to draw a conclusion