Exam #1 Practice Exam
Respiratory, Endocrine, & Skeletal
Supplemental Instruction
Iowa State University / Leader: / Victoria Hegstrom
Course: / AnS 214
Instructor: / Dr. Koltes
Date: / 2/1/18
  1. Which of the following routes is the most commonroute of CO2 transport?
  1. CO2 attaches to plasma
  2. CO2 goes into the RBC and binds to hemoglobin
  3. CO2 diffuses out of the body directly not through the lungs
  4. CO2 enters the red blood cell and reacts with H2O with help from CAH, bicarbonate gets transported out of the RBC and Cl-comes in
  1. Which of the following is NOT a function of the upper respiratory system?
  2. Heat inhaled air
  3. Humidify inhaled air
  4. Cleansing of inhaled air
  5. Gas exchange
  1. Which term is INCORRECTLY matched with its description
  1. Pulmonary ventilation—act of breathing
  2. External respiration—gas exchange from air in lungs with blood
  3. Transportation of respiratory gases—use cardiovascular system
  4. Internal respiration—gas exchange from air in lungs with blood
  1. The major function of the respiratory system is:
  2. Move oxygenated blood throughout the body
  3. Transport Oxygen and remove CO2 from the body
  4. Change gases in the atmosphere
  5. None of the above
  1. Which is NOT part of the Respiratory Zone?
  2. Alveoli
  3. Alveolar duct
  4. Bronchus
  5. Respiratory bronchioles
  1. What muscle(s) is responsible for movement of the lungs?
  2. Intercostal muscles
  3. Diaphragm
  4. Outer costal muscles
  5. A & B
  6. None of the above
  1. What type of cell produces surfactant in the mammalian lung?
  2. Type 1 alveolar
  3. Type 2 alveolar
  4. Macrophage
  5. None of the above
  1. Which is INCORRECLTY matched with its description?
  2. Compliance—ability to be able form any cell type
  3. Surface Tension—ability of like molecules to attract other like molecules
  4. Elasticity—ability to return to normal size
  5. Surfactant—detergent like complex that reduces surface area
  1. Is inspiration and expiration passive/active in mammals?
  2. Inspiration—passiveExpiration—passive
  3. Inspiration—passiveExpiration—active
  4. Inspiration—active Expiration—passive
  5. Inspiration—active Expiration—active
  1. Is inspiration and expiration passive/active in avians?
  2. Inspiration—passiveExpiration—passive
  3. Inspiration—passiveExpiration—active
  4. Inspiration—active Expiration—passive
  5. Inspiration—active Expiration—active
  1. What does Boyle’s Law describe?
  2. Relationship between air in lungs and air in atmosphere
  3. Relationship between pressure and volume
  4. Relationship between thorax cavity and Intrapleural pressure
  5. None of the above
  1. Which of the following is the most common route for oxygen transport?
  2. Dissolved in plasma
  3. Loosely bound to hemoglobin
  4. Transformed into iron
  5. Combined with carbon as CO or CO2
  1. All of these EXCEPT one decrease oxygen’s affinity with hemoglobin:
  2. Low pH
  3. High Temperature
  4. 2, 3 Diphosphoglyceric acid
  5. Glucose blood levels
  1. Based on partial pressure, gases move from______.
  2. High concentration to low concentration
  3. Low concentration to high concentration
  4. Freely throughout the body
  5. Only bound to plasma or hemoglobin within the blood
  1. What rapidly and reversibly catalyzes the bicarbonate reaction within the Red Blood Cell?
  2. Hydrogen
  3. Chlorine ions
  4. Carbonic anhydrase
  5. Catalyst Enzyme
  1. How is avian respirationdifferent from mammalian?
  2. Lacks a diaphragm
  3. Air sacs present
  4. Lung is not elastic and compliant
  5. All of the above
  1. True/False. Alveolar dead space consists of air within the conducting zone that doesn’t contribute to gas exchange versus anatomical dead space is due to an obstruction or collapse that doesn’t allow gas exchange to occur.
  1. Which one is INCORRECTLY matched to its description?
  2. Exocrine—produces hormones to be secreted by endocrine system
  3. Endocrine—secretes hormones directly into blood or lymph without ducts
  4. Autocrine—self-signaling, releases something to cause change within itself
  5. Paracrine—adjacent signaling, signals cells next to each other
  6. The posterior pituitary stores and releases two hypothalamic hormones and they are?
  7. Oxytocin and antidiuretic hormone (ADH)
  8. Oxytocin and growth hormone (GH)
  9. GH and ADH
  10. GH and prolactin (PRL)
  1. Thyroid hormone (TH) includes thyroxine (T4) and triiodothyronine (T3), which is more active?
  2. T3
  3. T4
  1. The pancreas produces what two hormone that help regulate blood glucose levels?
  2. Insulin and GH
  3. GH and PRL
  4. Insulin and glucagon
  5. Thyroid stimulating hormone (TSH) and adrenocorticotropic hormone (ACTH)
  1. Which of the following elements is required for the synthesis of thyroid hormone?
  2. Copper
  3. Sulfur
  4. Iron
  5. Iodine
  6. Steroid hormones and TH circulate in the blood ______while all other hormones circulate freely.
  1. Due to Chylomicrons
  2. With the help of Micelles
  3. Bound to Plasma proteins
  4. Looking for a Receptor
  1. You eat a donut for breakfast and your glucose levels become elevated. The GLUT 2 receptor in your pancreas detects these high amounts of glucose and as a result insulin is released to bring your glucose levels back to a normal range. What type of FEEDBACK LOOP is being described here? Stimuli?
  1. Negative, hormonal
  2. Positive, humoral
  3. Negative, humoral
  4. Positive, neural
  1. A litter of piglets suckling on a sow’s teats results in continued milk release. What FEEDBACK LOOP is being described here? Stimuli?
  1. Positive, neural
  2. Negative, neural
  3. Negative, humoral
  4. Positive, hormonal
  1. The effectiveness of a hormone depends on what?
  1. Concentration of hormone
  2. Number of receptors
  3. Affinity between hormone and receptor
  4. All of the above
  1. Which is not a purely endocrine organ?
  2. Kidney
  3. Thyroid
  4. Adrenal Gland
  5. Pituitary
  1. Hormones are removed from the body in all these ways EXCEPT:
  2. Degrading enzymes
  3. Kidney
  4. Degrading/inhibiting hormones
  5. Liver
  1. Which is NOT a hormone released by the anterior pituitary?
  2. Growth hormone
  3. Thyroid Hormone
  4. Follicle Stimulating hormone
  5. Prolactin
  6. The pancreas endocrine functions have specific cells in the Islets of Langerhans, which is matched INCORRECTLY?
  7. Glucagon—alpha cells
  8. Insulin—beta cells
  9. Somatostatin—delta cells
  10. All of the above are correct
  1. True/False. Gonadotropins do not have an inhibiting hormone but are regulated by the blood levels of the hormones they produce.
  1. True/False. Prolactin and oxytocin stimulate the production of milk.
  1. Recombinant Bovine Somatrophin causes dwarfism and is caused by the lack of which proper functioning hormone?
  2. FSH
  3. GH
  4. TSH
  5. TH
  1. Production of T3 and T4 involves:
  2. Translation of the T3 and T4 messenger RNA to a protein
  3. A series of enzymatic steps in the cytosol of the Parafollicular cell
  4. Joining of iodine to thyroglobulin in the lumen of the follicular cell, endocytosis of the T3 and T4 bound thyroglobulin, lysosomal processing of T3 and T4 bound thyroglobulin to produce T3 and T4 which can be secreted into the blood stream
  5. A series of enzymatic steps the cytosol of the follicle cell
  1. Which is the most abundant type of skeletal cartilage?
  2. Fibrocartilage
  3. Hyaline
  4. Elastic
  5. None of the above
  1. All are functions of the skeletal system EXCEPT:
  2. Support
  3. Anchorage
  4. Red Blood cell formation
  5. Movement
  1. Organic compounds like collagen are important for bone to:
  2. Maintain tensile strength
  3. Maintain hardness
  4. Maintain rigidness
  5. Maintain posture
  1. Inorganic compounds like mineral salts are important for bone to:
  2. Maintain tensile strength
  3. Maintain hardness
  4. Store them for the body to use later
  5. Maintain posture

IMPORTANT TERMS—Respiratory

  • Negative Feedback Loop
  • Positive Feedback Loop
  • Anatomy
  • Physiology
  • Homeostasis
  • Pulmonary Ventilation
  • External Respiration
  • Internal Respiration
  • Respiratory Zone
  • Conducting Zone
  • Upper Respiratory System
  • Lower Respiratory System
  • Type 1 alveolar cells
  • Type 2 alveolar cells
  • Macrophages
  • Compliance
  • Elasticity
  • Surface tension
  • Atmosphere pressure
  • Intrapulmonary pressure
  • Intrapleural pressure
  • Transpulmonary pressure
  • Boyles law
  • Tidal volume
  • Inspiratory reserve volume
  • Expiratory reserve volume
  • Residual volume
  • Vital capacity
  • Dead space
  • Anatomical and alveolar
  • Alveolar Ventilation
  • Dalton’s Law of Partial Pressures
  • Henry’s Law
  • Oxyhemoglobin
  • Deoxyhemoglobin
  • Carbaminohemoglobin
  • Carboxyhemoglobin
  • Partial Pressure
  • Chemoreceptors

IMPORTANT TERMS—Endocrine

  • Purely endocrine organs
  • Endocrine gland
  • Exocrine gland
  • Autocrine
  • Paracrine
  • Hormone
  • Peptide hormone
  • Amino acid hormone
  • Steroid hormone
  • Humoral stimuli
  • Neural stimuli
  • Hormonal stimuli
  • Anterior pituitary
  • Posterior pituitary
  • Hypothalamic hypophyseal portal
  • Alpha cells
  • Beta cells
  • Delta cells
  • Glycogenolysis
  • Gluconeogenesis
  • Permisssiveness
  • Synergism
  • Antagonism