Human Biology Concepts: Hormones, Aging, and Organ Systems

25/26 that's 96% RETAKE 25 questions were answered correctly . 1 question was answered incorrectly . 1 Which of the following hormones is secreted by the adrenal medulla?  Glucocorticoids  Mineralocorticoids  Epinephrine  Cortisol CONCEPT Adrenal Glands Report an issue with this question 2 After being removed from the blood in the Bowman's capsule, filtrate moves into the __________.  proximal convoluted tubule  glomerulus  loop of Henle  distal convoluted tubule CONCEPT Kidneys Report an issue with this question 3 An individual's blood volume and blood pressure decrease. Which of the following will be the body's response to maintain homeostasis and increase the blood volume and blood pressure?

 ADH is released, less water is reabsorbed, the urine becomes more diluted  ADH is released, the kidneys conserve water, urine becomes concentrated  ADH is released, the kidneys conserve water, the urine becomes more diluted  ADH is released, less water is reabsorbed, the urine becomes more concentrated CONCEPT Fluid Balance and Blood Pressure Report an issue with this question 4 Which of the following statements about aging is true?  Signs of aging may include changes in your skin, height, muscle mass, bones and organ function.  All of these statements are correct.  The way in which you age is completely dictated by your lifestyle.  As a woman ages, she enters andropause and can no longer reproduce. CONCEPT Effects of Aging on Your Body Report an issue with this question 5 Which of the following is associated directly with the endocrine system?  Hormones  Lymph nodes  Phagocytes  Skeletal muscle

CONCEPT Endocrine System Report an issue with this question 6 Which of the following statements about non-steroid hormones is true?  They are lipids that bind to receptors on the plasma membrane.  They are proteins that bind to receptors on the plasma membrane.  They are proteins that enter the cell and bind to receptors on the nucleus.  They are lipids that enter the cell and bind to receptors on the nucleus. CONCEPT Steroid and Non-Steroid Hormones Report an issue with this question 7 Which part of the digestive system primarily absorbs nutrients?  Stomach  Small intestine  Mouth  Pharynx CONCEPT Digestion Report an issue with this question 8 Which organ(s) of the endocrine system is/are shared with another system?  Pituitary gland  Thyroid gland  Testes and ovaries  Adrenal glands

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CONCEPT Organs of the Endocrine System Report an issue with this question 9 Which part of the large intestine absorbs water?  Descending colon  Transverse colon  All parts absorb water  Ascending colon CONCEPT Large Intestine Report an issue with this question 10 What stimulus will cause the baby to take its first breath?  The cutting of the umbilical cord  The presence of air after birth  Increased levels of oxytocin  Carbon dioxide in the bloodstream CONCEPT Labor and Birth Report an issue with this question 11 Which of these produces blood cells and germ cells at the early stages of fetal development?  Allantois  Placenta  Yolk sac  Amnion

CONCEPT Placenta Report an issue with this question 12 What is produced by the ovaries?  Endometrium  Zygote  Oocytes  Granulosa cells CONCEPT Female Reproductive System Report an issue with this question 13 Which of the following is most likely the cause of Graves' disease?  Higher than normal levels of thyroid hormones in the blood  Lower than normal levels of thyroid hormones in the blood  Lower than normal levels of parathyroid hormone in the blood  Higher than normal levels of parathyroid hormone in the blood CONCEPT Thyroid and Parathyroid Report an issue with this question 14 What happens when blood is too acidic?  Nothing, blood is supposed to be acidic.  Less bicarbonate is released into the bloodstream.  More bicarbonate is released into the bloodstream.  More hydrogen ions are released. CONCEPT

Blood pH Report an issue with this question 15 Which organ secretes fructose that is used by sperm as an energy source?  Vas deferens  Prostate gland  Epididymis  Seminal vesicle CONCEPT Male Reproductive System Report an issue with this question 16 Which is true about the cells found on the villi of the small intestine?  They are a part of the lumen that removes harmful substances.  They are composed of microvilli.  They are found on the microvilli.  There are small, hair-like projections called microvilli attached to them. CONCEPT Small Intestine Report an issue with this question 17 Select the statement that describes the filtration stage of urine formation.  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.  Water and other small solutes are separated out of the blood in the Bowman’s capsule.

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 The bloodstream retrieves valuable substances that have been separated out during this second step of urine formation. CONCEPT Urine Formation Report an issue with this question 18 Which type of digestion occurs in the mouth?  Both mechanical and chemical  Neither mechanical nor chemical  Chemical  Mechanical CONCEPT Chewing and Swallowing Report an issue with this question 19 Which organ releases enzymes that help neutralize the acids in chyme?  Pancreas  All three  Gallbladder  Liver CONCEPT Pancreas, Gallbladder, & Liver Report an issue with this question 20 Which type of pancreatic cells help to lower blood sugar?  Beta cells  Delta cells  Gamma cells

 Alpha cells CONCEPT Pancreatic Hormones Report an issue with this question 21 What body part develops from the mesoderm?  Brain  Fingernails  Bones  Hair CONCEPT Fertilization and Early Development Report an issue with this question 22 Where are sphincters found?  On the outside of the digestive tract  Throughout the small intestine  Between the pharynx and the mouth  Between two parts of the digestive tract CONCEPT The Alimentary Canal Report an issue with this question 23 After conception, how long does it take an embryo to develop a basic body plan?  1 week  5 weeks  6 weeks

 8 weeks CONCEPT Embryonic and Fetal Development Report an issue with this question 24 Which of the following is a mix of secretions that helps chemically digest food?  Chyme  Bolus  Pepsins  Gastric juice CONCEPT Stomach Report an issue with this question 25 Where is follicle stimulating hormone secreted from?  Thyroid gland  Pituitary gland  Hypothalamus  Testes CONCEPT Sperm Formation Report an issue with this question 26 Before an oocyte leaves the ovary, it is surrounded by nourishing cells and is called what?  A zona pellucida  A menarche  A follicle

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 An oviduct

Biology Milestone 5

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