BIOLOGY 115, 5.0 Milestone test,100% CORRECT

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Which gland is called the "master gland?" • Pituitary gland • Thymus gland • Thyroid gland • Adrenal gland 2 What is produced by the ovaries? • Oocytes • Endometr ... ium • Zygote • Granulosa cells 3 Which organ secretes fructose that is used by sperm as an energy source? • Epididymis • Vas deferens • Prostate gland • Seminal vesicle 4 What is it called when one hormone helps another have its full effect? • Synergistic interaction • Supportive interaction • Opposing interaction • Permissive interaction 5 Select the statement that describes the filtration stage of urine formation. • The bloodstream retrieves valuable substances that have been separated out during this second step of urine formation. • Water and other small solutes are separated out of the blood in the Bowman’s capsule. • To maintain the body's acid-base balance, substances move from the blood in the peritubular capillaries into nephron tubules. • During this third step of urine formation, urine filters into the ureters and ultimately to the urinary bladder for storage. 6 A woman has had a miscarriage; what happened to her fetus? • It was overdeveloped. • It was spontaneously expelled from the uterus. • It was underdeveloped. • It was implanted too firmly in the uterus. 7 Which organ processes and stores nutrients from the digestive system? • Liver • All three • Pancreas • Gallbladder 8 What happens when blood is too acidic? • More bicarbonate is released into the bloodstream. • Less bicarbonate is released into the bloodstream. • Nothing, blood is supposed to be acidic. • More hydrogen ions are released. 9 The developing child is surrounded by a fluid filled sac called the __________. • Placenta • Amnion • Yolk sac • Chorion 10 Which of the following statements about steroid hormones is true? • They are lipids that enter the cell and bind to receptors on the nucleus. • They are lipids that bind to receptors on the plasma membrane. • They are proteins that enter the cell and bind to receptors on the nucleus. • They are proteins that bind to receptors on the plasma membrane. 11 Which of the following hormones is secreted by the adrenal medulla? • Mineralocorticoids • Cortisol • Epinephrine • Glucocorticoids 12 Where are sphincters found? • Throughout the small intestine • On the outside of the digestive tract • Between the pharynx and the mouth • Between two parts of the digestive tract 13 What is the term for wave-like contractions of the digestive tract that help move food through? • Palate • Peristalsis • Salivary amylase • Bolus 14 In which stage of labor is the placenta expelled from the uterus? • Second • Fourth • First • Third 15 Which of the following is most likely the cause of Graves' disease? • Lower than normal levels of thyroid hormones in the blood • Higher than normal levels of thyroid hormones in the blood • Higher than normal levels of parathyroid hormone in the blood • Lower than normal levels of parathyroid hormone in the blood 16 Which segment of the small intestine connects to the large intestine? • Ileum • Lipase • Jejunum • Duodenum 17 Which type of pancreatic cells help to lower blood sugar? • Alpha cells • Delta cells • Beta cells • Gamma cells 18 Before an oocyte leaves the ovary, it is surrounded by nourishing cells and is called what? • A follicle • A zona pellucida • An oviduct • A menarche 19 Which type of cells are responsible for the growth of facial hair and the deepening of the voice in males during puberty? • Sertoli cells • Schwann cells • Leydig cells • Stem cells 20 Which of the following statements about aging is true? • The telomeres on our chromosomes grow longer as we age. • As we age, we often become shorter because the discs in between your vertebrae become more compact. • The way in which you age is completely dictated by your genes. • When a male goes through andropause, his testosterone levels drop and he is no longer able to reproduce. 21 Which part of the kidney does the actual filtering of the blood? • Nephrons • Renal cortex • Renal pelvis • Renal medulla 22 After fertilization, the newly formed zygote begins to divide into multiple cells through a process called __________. • Cleavage • Morphogenesis • Gastrulation • Blastomere 23 Which part of the large intestine absorbs water? • Descending colon • Ascending colon • All parts absorb water • Transverse colon 24 Which of the following is a mix of secretions that helps chemically digest food? • Chyme • Pepsins • Bolus • Gastric juice 25 Which of the following describes the role of renin in maintaining homeostasis? • It acts to dilute urine. • Its release is prompted by a decrease in blood volume and blood pressure. • It acts to decrease the amount of water that is reabsorbed. • Its release is prompted by an increase in blood volume and blood pressure. 26 Which part of the digestive system primarily absorbs nutrients? • Pharynx • Small intestine • Stomach • Mouth [Show More]

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