ATI TEAS SCIENCE QUESTION Real Exam Questions And Answers Graded A+.

which of the following describes the function of a ribosome? - correct answer protein synthesis because muscle cells require large amounts of energy to function correctly, which organelle would be prevalent in those types of cells? - correct answer mitochondria Which of the following organelles is responsible for storing genetic information? - correct answer nucleus in the human body, which of the following organs is in a superior position to the lungs? - correct answer brain 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 of the alveoli are thin to increase the rate of diffusion What is the primary function of the respiratory system? - correct answer exchanges gases between the blood and the air in an environment Which of the following conditions causes a narrowing of airways in the respiratory system? - correct answer asthma 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 towards the lungs? - correct answer Right ventricle What is the function of veins? - correct answer Veins carry blood back to the heart. In which of the following organs does digestion begin? - correct answer mouth which of the following organs does the breakdown of proteins begin? - correct answer stomach which of the following structures absorbs nutrients in the small intestine? - correct answer microvilli Which of the following statements best describes peristalsis? - correct answer muscle contractions that move food through the digestive tract Which of the following actions is controlled by voluntary nerve signals? - correct answer walking which of the following best describes the function of a nerve synapse? - correct answer it allows for the passing of signals between neurons and muscles which of the following types of muscle cells are often voluntary? - correct answer skeletal which of the following types of nerves sends messages to the brain? - correct answer sensory (afferent) Which of the following organs produce female gametes? - correct answer ovary which is the location where fertilization typically takes place? - correct answer fallopian tubes which of the following best describes one function of estrogen? - correct answer maturation of eggs which of the following results from the production of luteinizing hormone (LH) in males? - correct answer testosterone production Which layer of skin forms a protective, waterproof barrier? - correct answer Epidermis Which of the following best describes the function of melanocytes? - correct answer production of melanin which layer of skin contains hair follicles? - correct answer dermis which layer of skin contains a layer of dead cells? - correct answer epidermis what kind of message is sent in the endocrine system? - correct answer chemical signals that travel through the bloodstream which structure secretes releasing hormones? - correct answer hypothalamus What is the function of the pineal gland? - correct answer releasing melatonin what gland releases epinephrine during stress? - correct answer adrenal glands what part of the male genitourinary system also transports sperm? - correct answer urethra What waste product from digestion does the kidney remove? - correct answer nitrogen which of the following best describes the outcome if the kidneys stopped functioning? - correct answer blood would fill with waste and the human body would not be able to maintain homeostasis what structure is the functional unit of a kidney? - correct answer nephron which of the following helps prevent pathogens from invading the body? - correct answer mucus a bacteria cells enters the body through a cut in the skin. which of the following describes the immune response that would occur next? - correct answer histamines are released which of the following types of cells produce antibodies? - correct answer plasma cells What is the purpose of a vaccine? - correct answer produce antibodies in case of future infection which of the following breaks down bone material? - correct answer osteoclasts which of the following is considered a short bone? - correct answer carpals and tarsals What is the purpose of hyaline cartilage in the skeletal system? - correct answer reduces friction at the joints What is the cause of osteoporosis? - correct answer osteoclasts break down bone faster than osteoblasts deposits minerals which of the following groups is synthesized from monosaccharides like glucose? - correct answer carbohydrates Which macromolecule stores genetic information? - correct answer nucleic acid which monomer forms enzymes? - correct answer amino acids Which of the following foods contain mostly lipids? - correct answer oil which nucleotide pairs with adenine? - correct answer thymine how many chromosomes are found in a human cell? - correct answer 46 (23 pairs) which statement about nucleotides and genes is correct? - correct answer nucleotides form strings of DNA that make up genes which of the following is the name for a segment of DNA that codes for a protein? - correct answer gene which of the following best describes non-mendelian inheritance patterns? - correct answer heterozygous mo