TEAS Test Preparation

  1. Arachnoid mater:
    Middle layer of the meninges that acts to cushion the brain
  2. Dura mater:
    Outermost layer of the meninges. It protects the brain by containing thick, tough, and inextensible connective tissue.
  3. Pia Mater:
    Innermost layer of the meninges. Highly vascularized and supplies the underlying neural tissue (brain cells and spinal cord) with nourishment.
  4. What is the primary function of the meninges?
    To protect the CNS
  5. What gland secretes ADH?
    Posterior pituitary gland
  6. Diabetes insipidus is directed associated with which hormone, and how?
    ADH, by the posterior pituitary gland insufficiently secreting ADH. This causes collecting ducts in the kidneys to have decreased permeability to water. Which results in large volumes of dilute urine.
  7. B Cells: (aka)
    aka B Lymphocytes. Secrete antibodies. They also present antigens and secrete cytokines. They do NOT directly kill infected or damaged cells
  8. T cells produce:
    They are a type of:
    Respond to ______, which means they are apart of the _____ immune system.
    • Cytotoxins.
    • WBC.
    • Specific antigens. Adaptive.
  9. CD8+ T cells (AKA), work by:
    (Killer cells) directly killing virus-infected cells and cancer cells by producing cytotoxins.
  10. CD4+ cells (AKA) work by:
    (Helper cells) indirectly killing invading cells by determining and guiding how other parts of the immune system should respond to the perceived threat.
  11. Regulatory T cells (AKA) work by:
    (Suppressor T cells) providing the mechanism called tolerance. Where the immune cells distinguish invading cells by the body’s own cells.
  12. Parathyroid hormone association with bones and calcium.
    How many parathyroid glands does each person have?
    • PTH prompts the bones to release calcium. These glands help to regulate calcium levels within the blood. When calcium levels rise, the parathyroid glands secretes less PTH. As blood calcium levels drop, more PTH is secreted.
    • 4.
  13. Pineal gland secretes which hormone:
    Melatonin
  14. Thyroid gland secretes:
    Which stimulates:
    • Calcitonin.
    • The uptake of calcium by the bone.
    • When calcium levels are too high, calcitonin stimulates bone cells to take up calcium and inhibits it’s release by the kidneys.
  15. What is translation in molecular biology?
    It is the process by which mRNA are translated by ribosomes to produce polypeptide (aka proteins)
  16. What is transcription:
    When DNA is packed into smaller mRNA molecules.
  17. What is the Skene Glands (AKA)? Where are they located? What do they do and when are they activated?
    (Lesser vestibular glands/ paraurethral glands) The Skene glands are only found in females. They sit on the anterior wall of the vagina near the lower end of the urethra. They secrete guild that lubricates the urethral opening. During sexual arousal, the tissue that surrounds them swells.
  18. Cowper Glands, where are the located?
    Only in males. They secrete a fluid that protects the sperm
  19. Another name for ADH
    Vasopressin
  20. What does vasopressin do? What gland is associated with this hormone.
    Promotes water retention in the kidneys and increases blood pressure.
  21. Vasopressin deficiency can lead to:
    Hypernatremia, polyurethane, and polydiopsia.
  22. Excess vasopressin can cause:
    Syndrome of inappropriate ADH (SIADH), in which the kidneys returns too much water into the venous circulation.
  23. Top layer of the epidermis (AKA)
    Stratum corneum (Horny layer)

    Waterproof and hardened layer of flattened cells that protects underlying tissues from infection, dehydration and other threats.
  24. 2nd top layer of the epidermis (AKA)
    • Stratum lucidum (Clear Layer)
    • A thin clear layer of dead cells evident only in the palms of the hands and soles of the feet.
  25. 3rd layer of epidermis (AKA)
    • Stratum granulosum (granular layer)
    • A thin layer of cells with proteins that help to bind the cells in the outer layers of the epidermis together.
  26. 4th layer of epidermis (AKA)
    • Spratum spinosum (Spiny layer)
    • A layer of 8-10 cells that synthesize the protein keratin and secrete a waterproofing glycolipid.

    Langerhans cells(part of the immune system are in this layer)
  27. 5th layer of epidermis
    Houses which cell types
    • Stratum basale (basal layer)
    • A single layer of columnar cells.

    • Melanocytes
    • Meeker cells (touch receptors)
    • Langerhans cells
  28. Appocine glands
    Location and produce what
    • Usually found in groin and armpits.
    • Produce sweat and scent.
  29. Eccrine glands(AKA):
    Location and produce what?
    (Merocrine glands) distributed across the skin. Produce salty but diluted sweat.
  30. Sebaceous glands:
    Make sebum, which supply hair shafts and skin with oily secretions.
  31. Ceruminous glands:
    Produce some sebum but most produce waxy secretions in the ear canals.
  32. What happens to the diaphragm during inhalation?
    It contracts, which enlarges the thoracic cavity, which lowers its pressure relative to the external environment.
  33. What happens to the diaphragm during expiration?
    It flattens and returns to its original position, which increases pressure in the thoracic cavity.
  34. Autocrine signaling:
    Is when a hormone acts on the surface of the cell that produced it
  35. Intracrine signaling:
    Is when a hormone acts on the internal contexts of the cell that produced it
  36. Paracrine signaling:
    Is when a hormone acts locally by diffusing from a source cell to nearby target cells
  37. Endocrine signaling:
    Is when a hormone travels in the bloodstream to distant target cells.
  38. SA node:
    Known as the pace maker of the heart. Produces electrical impulses at regular intervals that pass through cardiac cells and cause atrial contractions.
  39. AV Node:
    Connects the atria with the ventricles and helps to coordinate the timing of atrial and ventricular contractions.
  40. Tendons:
    Ligaments:
    Tendons aren’t elastic but they are flexible cords of fibrous collagen tissue that connects muscles to bones.

    Ligaments: short bands of fexible fibrous tissue that connect bones or cartilage to each other. They can also hold joints together.
  41. Amylase:
    Lipase:
    Enzyme released during digestion for the chemical breakdown of starch into sugar.

    Enzyme released during digestion for the chemical breakdown of lipids.
  42. Process by which chyme is send down at the beginning of digestion:
    Mastication occurs when food is chewed and enzymes are released. Then send down through the esophagus and into the stomach. From there it enters into the small intestine first at the duodenum. It enters from the stomach to the small intestine by the pyloric sphincter.
  43. What type of protein is released when a virus enters the body and what do these proteins do?
    Interferons are released. They are released in order to produce enzymes that prevent the virus from entering and infecting healthy cells.
  44. Hypoventilation would cause the blood pH to _____. This would also cause: As well as:
    blood pH would FALL. This would cause resiratory acidosis. Resulting from an increase in CO2
  45. Ascending aorta involves which arteries:
    The left and right coronary arteries
  46. The aortic arch includes which arteries:
    Brachiocephalic truck, left common carotid artery, left subclavian artery.
  47. Descending aorta includes:
    Many brashness, some from the thoracic part and other from the abdominal part.
  48. Pleurae :
    Serous membrane that work to moisten and reduce friction during respiratory movement into the lunges.
  49. Rugae:
    Ridge folds/ layers within the bladder that allow it to expland and fill with urine.
  50. Ectoderm layer:
    Mesodermal layer
    Ectoderm layer:
    Outermaost layers that gives rise to the nervous system, epidermis and pigment cells

    Middle derm later of connective tissues, and red blood cells (((((()))))))))

    Innermost derm layer gives rise to the epithelial linings of the GI and Respiratory tract.
  51. What is assimilation in regard to intake and use of food?
    The process of using the products from digestion to produce energy and synthesize cellular material.
  52. Name the 3 cell types that are composed of tubular gastric glands within the mucosa of the stomach:
    Zymogenic (chief) cells: that secrete pepsinogen

    Parietal (oxyntic) cells that secrete hydrochloride acid

    Mucous cells that secrete mucus.

    Collectively the secretion of these cells are call gastric juices. The sight, smell and quality of food regulated the secretion of gastric juices.
  53. 1 of 2 methods of membrane transport. Passive transport (AKA)
    Passive transport (diffusion) , substance moves from higher concerntration to lower concentration region.

    Does NOT require energy
  54. 1 of 2 methods of membrane transport. Active transport
    A substance is pushed from a lower concentration region to a higher concentration region.

    The cell MUST provide metabolic energy for active transport to occur.
  55. Acetylcholine :
    • A hormones released by the parasympathetic nervous system, which works in order to decrease the heart rate.
    • So in cardiac muscles acetylcholine has a relaxing effect.
    • Acetylcholine works the opposite with striated/skeletal muscles. Acetylcholine causes striated/muscles sales to contract.
  56. Norepinephrine and epinephrine
    Hormone used by the sympathetic nervous system to increase heart rate
  57. Adrenals
    Location:
    Function(s):
    Hormone(s):
    • Location: atop the kidneys
    • Function(s):Regulated heart rate and blood pressure
    • Hormone(s): Epinephrine, norepinephrine, and cortisol
  58. Hypothalamus

    Location:
    Function(s):
    Hormone(s):
    • Location:Beneath the brain, below the thalamus
    • Function(s): Links nervous system to endocrine system via pituitary gland, controls autonomic functions
    • Hormone(s): Neurohormones that stimulate or inhibit pituitary hormone secretions.
  59. Parathyroid

    Location:
    Function(s):
    Hormone(s):
    • Location: Neck
    • Function(s):Regulates calcium and phosphate levels in the blood and bones
    • Hormone(s): PTH
  60. Pineal Gland

    Location:
    Function(s):
    Hormone(s):
    • Location: Brain
    • Function(s): Regulates sleep patterns
    • Hormone(s): Melatonin
  61. Pituitary (anterior)

    Location:
    Function(s):
    Hormone(s):
    • Location: Below the hypothalamus , at the base of the brain
    • Function(s): Controls growth and development, metabolism, energy management, and sex organ function
    • Hormone(s): TSH, adrenocoricotropic hormones (FSH), Luteinizing hormone, Prolactin, and growth hormone.
  62. Pituitary (posterior)

    Location:
    Function(s):
    Hormone(s):
    • Location: Below the hypothalamus, at the base of the brain
    • Function(s): Regulate blood pressure, labor contractions, milk production
    • Hormone(s): ADH and oxytocin
  63. Thyroid Gland:

    Location:
    Function(s):
    Hormone(s):
    • Location: Front of the neck
    • Function(s): Regualted growth and metabolism
    • Hormone(s): Thyroxin, triiodothyronine, and calcitonin
  64. Scientific method steps:
    • 1. Question about obersved data
    • 2. Do Research on topic
    • 3. Make Hypothesis
    • 4. Experiment to test hypothesis
    • 5. Analyze data from experiment and draw conclusions
    • 6. Report
    • 7. Evaluate
  65. Gaseous state of a compound has what properties in regard to shape and volume?
    Changing shape and changing volume
  66. Liquid state of a compound has what properties in regard to shape and volume?
    Changing shape but fixed volume
  67. A solid state of a compound has what properties in regard to shape and volume?
    Fixed shape and fixed volume
Author
kmhs320
ID
357266
Card Set
TEAS Test Preparation
Description
Updated