AIT TEAS 2022- Science Section Questions and answers

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Bronchial epithelial cell membranes possess which of the following? A. microvilli B. cilia C. flagella D. dendrites - B. Cilia Emulsification of fats requires ___ and occurs in the ___. A. amyla ... se; stomach B. bile; stomach C. amylase; small intestine D. bile; small intestine - D. bile; small intestine In immune functions involving T-helper cells, the T-helper cell most likely engages in which of the following? A. phagocytosis B. cell lysis C. circulating antibody production D. intercellular membrane binding - D. Intercellular membrane binding In a normal human, once blood is pumped out of the heart, which of the following statements is always true? A. It passes through capillaries before returning to the internal chambers of the heart. B. It has been fully oxygenated C. It immediately enters the aorta D. It travels to the lungs before returning to the heart. - A. It passes through capillaries before returning to the chambers of the heart Oxygen enters the circulatory system during A. inspiration only B. inspiration and the interval between inspiration and expiration only C. the interval between inspiration and expiration and during expiration only D. continuously throughout the entire respiration cycle - D. continuously throughout the entire respiratory cycle The integrative functions of the nervous system requires which of the following? A. Sensory input B. Hormonal regulation C. Spinal cord reflexes D. Effector cells - A. Sensory input The duodenum releases which of the following biologically active proteins? Which of the following will open at the appropriate intervals to allow stomach consents to pass into the duodenum? A. gastroesophageal (GE) sphincter B. pyloric sphincter C. muscular sphincter D. gastroduodenal sphincter - B. Pyloric sphincter which of the following is NOT a capacity of the human innate immune system? A. Phagocytosis of foreign cells B. Stimulation of fever C. Production of antibodies D. the release of and response to cytokines - C. Production of antibodies Which of the following correctly describes the relative anatomical positional relationship between two anatomical structures in a normal human adult? A. The heart is ventral to the esophagus B. The scapula is proximal to the vertebral column C. The kidneys are medial to the abdominal aorta D. The urinary bladder is rostral to the pancreas - A. The heart is ventral to the esophagus In humans, urea is produced in which of the following locations? A. the liver B. the kidney C. the pancreas D. red blood cells - A. The liver In humans, Which organs listed below dose NOT receive supplies of both oxygenated and deoxygenated blood? A. the lungs B. the heart C. the liver D. the large intestine - D. the large intestine In humans, which of the skeletal muscles listed below are more often than not under involuntary rather than voluntary control? A. the masseters B. the diaphragm C. the biceps D. the tongue - B. the diaphragm In humans, the majority (>50%) of water obtained through oral intake is absorbed into the body through which of the following? A. the oral mucosa and the esophagus B. the esophagus and the stomach C. the small intestines D. the large intestines - C. the small intestines [Show More]

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