ZOOL. 251 EXAM QUESTIONS - INTRODUCTION

[1-9] [10-19]

[Exam Questions - Directory]

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1-10

  1. The most common regulatory mechanism or system associated with homeostasis is:
    1. positive feedback
    2. negative feedback
    3. positively laid-back
    4. efferent pathways
    5. none of the above [top]
  1. A solid understanding of physiology is important to the study of medicine, because disease is simply a disruption in the body's ability to maintain:
    1. temperature
    2. homeostasis
    3. movement
    4. blood sugar levels
    5. energy [top]
  1. The phrase "the lungs rid the body of excess carbon dioxide" is a description of
    1. anatomy
    2. physiology [top]
  1. In an attempt to maintain relatively constant internal conditions, the body responds to a decrease in blood glucose concentration by:
    1. increasing glucagon secretion
    2. stimulating glycogen production
    3. increasing insulin secretion
    4. decreasing glucagon secretion
    5. secreting more glucose in the urine [top]
  1. Heat production is the function of which organ system?
    1. skeletal
    2. respiratory
    3. lymphatic
    4. cardiovascular
    5. muscular [top]
  1. Jenny, who has been having headaches, goes to her physician for a test to check for a tumor in her brain. The physician uses a device that employs X-rays to produce a 3-dimensional image of her brain. This technique is known as:
    1. MRI
    2. PET scan
    3. CT scan
    4. ultrasound
    5. angiography [top]
  1. The body is made of roughly ______________ different elements.
    1. 4
    2. 15
    3. 26
    4. 37
    5. 49 [top]
  1. Each organ system functions independently of most other organ systems.
    1. true
    2. false [top]
  1. "Epithelial cells of the skin provide protection against abrasion." This statement describes:
    1. anatomy
    2. physiology
    3. organic chemistry
    4. organ systems
    5. functional systems [top]

10-19

  1. Place the following in correct sequence from complex to simple:

1. tissue. 2. organ. 3. molecule. 4. atom. 5. cell.

  1. 1, 2, 3, 4, 5
  2. 3, 1, 2, 4, 5
  3. 2, 1, 5, 3, 4
  4. 4, 5, 3, 1, 2
  5. 4, 3, 5, 1, 2 [top]
  1. Homeostasis is the ability to maintain:
    1. potential energy
    2. physiology
    3. synthetic reactions
    4. dynamic balance
    5. none of the above [top]