ATI Teas 6 science-questions** 2023

What cavity is lined by the connective tissue peritoneum? - Abdominal What hormone mediates the fight-or-flight response? - Epinephrine What occurs when the epiglottis does not function properly? - A person coughs because food goes into the trachea What composes the the rings that support the trachea? - Hyaline cartilage What valve prevents back flow of blood from the arteries to the ventricles? - Semilunar What artery supplies the heart with blood? - Coronary Breaking down of what begins in the small intestine? - Fats What are lymphatic capillaries that absorb fat? - Lacteals What occurs to skeletal muscles as a result of acetylcholine released at the neurotransmitter junction? - Contraction What tube carries both sperm and urine for release outside the body? - Urethra What protein is secreted by hair follicles in the skin? - Keratin What is a portion of the brain that integrates nerve signals and hormone secretion? - Hypothalamus What region of the kidney contains the glomerulus of the nephron? - Cortex What antibody-secreting cell is triggered to proliferate upon vaccination? - B-lymphocytes What bone supports the tongue and is the only bone in the body not anchored to another? - Hyoid What produces ammonia by deamination of the liver? - Proteins A cross between two heterozygous F1 plants produces a 15:1 ratio in the F2 offspring. What describes this ration? - Modified dihybrid ratio What is the smallest region of space where two electrons with opposite spins are paired? - Orbital What best describes matter in which the components cannot be broken down into simpler components? - Element What formula represents a single replacement reaction? - AB+C- AC+B What muscle moment has synapses in the spinal cord rather than the brain? - Reflex arc Where is the female egg produced? - Ovary What integumentary structure produces sweat? - Sudoriferous gland What endocrine organ produces insulin? - Pancreas What structure stores urine before exception? - Bladder What part of the human body makes white blood cells? - Bone marrow Name an irregular shaped bone. - Vertebra The parathyroid is a component of what organ system? - Endocrine After passing through the stomach, food continues into the ____? - Duodenum In what stage of embryological development are the main germs (ectoderm, endoderm, & mesoderm) formed? - Gastrula Vaccinations create what type of immunity? - Artificial acquired active immunity Which nervous system directs the skeletal muscles to respond to the body's flight-or-fight response? - Sympathetic What tissue is responsible for contraction during peristalsis in the digestive tract? - Soothe muscle In what organ are immune cells produced? - Bone marrow Exchange of gases occurs in what structure in the respiratory system? - Alveoli What organelles give rough ER its signature rough characteristics? - Ribosomes How many numbers of different types of nucleotide bases are found in DNA ? - 4 A&T C&G