BIO 100 Unit 5 Pre-Test _ 2020 – Troy University | BIO 100 Unit 5 Pre-Test _ 2020

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1 BIO 100 Unit 5 Pre-Test _ 2020 – Troy University About how long is a typical menstrual cycle? • 28 days • 30-31 days • 5-7 days • 21 days CONCEPT Ovarian Cycle and Menstrual C ... ycle 2 Under normal conditions, most nutrients are reabsorbed in which part of the nephron? • Bowman's capsule • Collecting tubules • Distal tubules •Proximal tubules CONCEPT Urine Formation 3 In which stage of labor does the amniotic sac rupture? • First • Second • Third • Fourth CONCEPT Labor and Birth 4 What does it mean that the pancreas, gallbladder and liver are "accessory organs?" • They help with digestion but are not actually necessary for the system to function properly. • They play a role in the digestive system but are not part of the digestive tract. • Their main purpose is to fill unused space in the abdomen so as to keep the digestive system in place. • They aren't really a part of any system but support several body systems. CONCEPTPancreas, Gallbladder, & Liver 5 How many parts do nephrons have? • Three • Four • Two • Five CONCEPT Kidneys 6 Some hormones don't enter the cell, so they depend on __________ to effect changes in the cell. • non-steroid hormones • steroid hormones • enzymes • secondary messengers CONCEPT Steroid and Non-Steroid Hormones 7 Rick has been gaining weight and feeling sluggish. What might this be symptomatic of?• Hypothyroidism • Hyperthyroidism • Graves' disease • Simple goiter CONCEPT Thyroid and Parathyroid 8 Where in the human body are the adrenal glands located? • In the brainstem • Below the heart • Above the kidneys • On the pancreas CONCEPT Adrenal Glands 9 What is responsible for diluting urine and causing the body to lose water? • Aldosterone • Renin •ADH • Diuretic CONCEPT Fluid Balance and Blood Pressure 10 Which of the following is part of the alimentary canal? • The nasal cavity • The bronchi • The esophagus • The bladder CONCEPT The Alimentary Canal 11 "Oogenesis" describes which process? • The formation of egg cells • The development of the embryo • The fertilization of egg cells • The expulsion of the unfertilized egg during menses CONCEPT Female Reproductive System12 Which pairing of sex chromosomes is impossible? • YY • XY • XX • All three are possible CONCEPT Embryonic and Fetal Development 13 Which of these is an enzyme that aids in the breakdown of starch? • Salivary amylase • Endonuclease • Topoisomerase • Ligase CONCEPT Chewing and Swallowing 14 Which hormone is thought to regulate the functioning of alpha and beta cells? • Somatostatin• Epinephrine • Insulin • Glucagon CONCEPT Pancreatic Hormones 15 What carries food from the mouth to the stomach? • Small intestine • Esophagus • Large intestine • Pharynx CONCEPT Digestion 16 Various conditions are associated with aging. Which of the following describes a condition in which a male's testosterone levels decline? • Alzheimer's disease • Menopause •Andropause • Senescence CONCEPT Effects of Aging on Your Body 17 What is it called when two different hormones have similar effects but work differently? • Parallel interaction • Synergistic interaction • Permissive interaction • Opposing interaction CONCEPT Endocrine System 18 Which gland plays a role in metabolism? • Thymus gland • Pituitary gland • Spleen • Thyroid gland CONCEPTOrgans of the Endocrine System 19 What normally prevents the expulsion of an embryo by the breakdown of endometrium? • HCG • Placenta • Acrosome • FSH CONCEPT Placenta 20 Which of the following statements is true? • Normal pH for the body is slightly less than neutral pH. • Neutral pH is 7.0. • Normal pH for the body is the same as neutral pH. • Neutral pH is between 7.37 and 7.43. CONCEPT Blood pH 21 Which body part develops from the endoderm? •Eyes • Stomach • Skin • Arteries CONCEPT Fertilization and Early Development 22 Which part of the large intestine connects to the small intestine? • Descending colon • Transverse colon • Appendix • Ascending colon CONCEPT Large Intestine 23 What is the highly acidic substance found in the stomach that chemically breaks down food and kills microbes that have been ingested? • Bolus • Chyme •Salivary lipase • Gastric juice CONCEPT Stomach 24 Which segment of the small intestine connects to the stomach? • Jejunum • Duodenum • Ileum • Lipase CONCEPT Small Intestine 25 What carries sperm from the epididymis during sexual arousal? • Vas deferens • Prostate gland • Urethra • Seminal vesicle CONCEPT Male Reproductive System26 Where is testosterone released from? • Pituitary gland • Hypothalamus • Testes • Thyroid gland CONCEPT Sperm Formation [Show More]

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