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Twelfth Grade (Grade 12) Respiration, Digestion, and Excretion Questions

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Grade 12 Respiration, Digestion, and Excretion
This system of the body delivers blood to all the cells and carries away waste.
  1. systemic circulation
  2. pulmonary circulation
  3. organismal circulation
  4. none of the above
Grade 12 Respiration, Digestion, and Excretion
When there is increased muscle activity, what occurs?
  1. higher oxygen demands and a decrease in heart rate
  2. higher oxygen demands and an increase in heart rate
  3. lower oxygen demands and an increase in heart rate
  4. lower oxygen demands and a decrease in heart rate
Grade 12 Respiration, Digestion, and Excretion
What does antidiuretic hormone do?
  1. promotes processes that lead to an increase in the volume of urine
  2. promotes processes that lead to a decrease in the volume of urine.
  3. acts on the proximal tubules of nephrons in the kidney
  4. is produced by the adrenal cortex
Grade 12 Respiration, Digestion, and Excretion
Match the infection with the correct organ of the urinary system.
__ cystitis A. urethra
__ urethritis B. urinary bladder
__ pyelonephritis C. kidney
Grade 12 Respiration, Digestion, and Excretion
Most of the nutrient absorption that takes place during digestion occurs in the
  1. liver
  2. large intestine.
  3. stomach.
  4. small intestine.
Grade 12 Respiration, Digestion, and Excretion
The large intestine is longer than the small intestine.
  1. True
  2. False
Grade 12 Respiration, Digestion, and Excretion
Which function is not a function of the urinary system?
  1. regulating blood volume and blood pressure
  2. excreting organic waste products
  3. assisting the liver
  4. conserving valuable nutrients
  5. purification of the renal hilus
Grade 12 Respiration, Digestion, and Excretion
What long tube carries food from the mouth to the stomach?
  1. trachea
  2. urethra
  3. esophagus
  4. pharynx
Grade 12 Respiration, Digestion, and Excretion
After oxygen passes into the lungs, what does it enter?
  1. bronchioles
  2. bloodstream
  3. pharynx
  4. trachea
Grade 12 Respiration, Digestion, and Excretion
The movement in the small intestine that churns the materials being digested and mixes them with intestinal secretions is
  1. peristalsis.
  2. pendular motility.
  3. segmentation.
  4. haustral churning.
Grade 12 Respiration, Digestion, and Excretion
The three pairs of multicellular salivary glands that secrete into the oral cavity are the                                        glands.
  1. alpha, beta, and gamma
  2. parotid, submandibular, and sublingual
  3. palatine, lingual, and pharyngeal
  4. serous, mucous, and mixed
Grade 12 Respiration, Digestion, and Excretion
What are the two layers of the kidneys?
  1. renal corpuscle and nephral lobe
  2. renal cortex and renal medulla
  3. renal lobe and renal pelvis
  4. renal cortex and renal medulla oblongata
Grade 12 Respiration, Digestion, and Excretion
Which is not an essential feature for an animal's gas-exchange surface?
  1. large surface area in proportion to body size
  2. a protective, wear-resistant covering
  3. thin cell layers
  4. living cells
  5. continuous moistness
Grade 12 Respiration, Digestion, and Excretion
For a cell surface to be a respiratory cell surface, it must be
  1. thick, dry, and covered with hair.
  2. moist and glandular.
  3. expansive.
  4. thin and moist.
  5. internal.
Grade 12 Respiration, Digestion, and Excretion
The movement of muscle that aids in food digestion is
  1. hydrolysis.
  2. fundus.
  3. peristalsis.
  4. contraction.
Grade 12 Respiration, Digestion, and Excretion
What organ produces bile for the breakdown of fats?
  1. stomach
  2. liver
  3. gallbladder
  4. pancreas
Grade 12 Respiration, Digestion, and Excretion
Normal urine characteristics do not include
  1. cloudiness.
  2. color of pale yellow to amber.
  3. an acidic pH.
  4. being clear.
Grade 12 Respiration, Digestion, and Excretion
What organ produces the bodily juice called bile?
  1. liver
  2. pancreas
  3. gallbladder
  4. pharynx
Grade 12 Respiration, Digestion, and Excretion
From deep to superficial, what are the tunics of the intraperitoneal portions of the GI tract?
  1. serosa, muscularis, submucosa, and mucosa
  2. mucosa, submucosa, muscularis, and serosa
  3. adventitia, muscularis, submucosa, and mucosa
  4. mucosa, submucosa, muscularis, and adventitia
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