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19 February, 2016 - 10:43
  1. When faced with a sudden drop in environmental temperature, an endothermic animal will     .
  1. experience a drop in its body temperature
  2.  wait to see if it goes lower
  3. increase muscle activity to generate heat
  4. add fur or fat to increase insulation
  1. How are wastes carried to the kidney for removal?
  1. in cells
  2. in the urine
  3. in blood
  4. in interstitial fluid
  1. What is the cause of a fever of 38.3 °C (101 °F)?
  1. too much heat produced by the body
  2. upward adjustment of the body temperature set point
  3. inadequate cooling mechanisms in the body
  4. the heat caused by a viral or bacterial infection
  1. Where does the majority  of fat digestion take place?
  1. mouth
  2. stomach
  3. small intestine
  4. large intestine 
  1. The bile from the liver is delivered to the         .
  1. stomach
  2. liver
  3. small intestine
  4. colon
  1. Which of the following statements is not true?
  1. Essential nutrients can be synthesized by the body.
  2. Vitamins are required in small quantities for bodily function.
  3. Some amino acids can be synthesized by the body, while others need to be obtained from diet.
  4. Vitamins come in two categories: fat- soluble and water-soluble.
  1. The respiratory system   .
  1. provides body tissues with oxygen
  2. provides body tissues with oxygen and carbon dioxide
  3. establishes how many breaths are taken per minute
  4. provides the body with carbon dioxide
  1. Which is the order of airflow during inhalation?
  1. nasal cavity, trachea, larynx, bronchi, bronchioles, alveoli
  2. nasal cavity, larynx, trachea, bronchi, bronchioles, alveoli
  3. nasal cavity, larynx, trachea, bronchioles, bronchi, alveoli
  4. nasal cavity, trachea, larynx, bronchi, bronchioles, alveoli
  1. Where does the right ventricle send blood?
  1. the head
  2. the upper body
  3. the lungs
  4. the lower body
  1. During  the systolic  phase of the cardiac cycle, the heart is         .
  1. contracting
  2. relaxing
  3. contracting and relaxing
  4. filling with blood
  1. How do arteries differ from veins?
  1. Arteries have thicker wall layers to accommodate the changes in pressure from the heart.
  2. Arteries carry blood.
  3. Arteries have thinner wall layers and valves and move blood by the action of skeletal muscle.
  4. Arteries are thin walled and are used for gas exchange.
  1. Most of the hormones produced by the anterior pituitary perform what function?
  1. regulate growth
  2. regulate the sleep cycle
  3. regulate production of other hormones
  4. regulate blood volume and blood pressure
  1. What is the function of the hormone erythropoietin?
  1. stimulates production of red blood cells
  2. stimulates muscle growth
  3. causes the fight-or-flight response
  4. causes testosterone production
  1. Which endocrine glands are associated with the kidneys?
  1. thyroid glands
  2. pituitary glands
  3. adrenal glands
  4. gonads
  1. Among other bones, the axial skeleton includes the      .
  1. thoracic cage and vertebral column
  2. thoracic cage and pectoral girdle
  3. skull and pelvic girdle
  4. pectoral and pelvic girdles  
  1. The pectoral girdle supports the     
  1. arms
  2. legs
  3. skull
  4. thoracic cage
  1. Which component is responsible for initially stimulating  a muscle contraction?
  1. proteins
  2. electrochemical signals
  3. plasma membranes
  4. striations
  1. What kind of muscle tissue is found surrounding the urinary bladder?
  1. cardiac
  2. skeletal
  3. striated
  4. smooth
  1. Neurons contain   , which can receive signals from other neurons.
  1. axons
  2. mitochondria
  3. dendrites
  4. Golgi bodies
  1. The part of the brain that is responsible for coordination during movement is the       .
  1. limbic system
  2. thalamus
  3. cerebellum
  4. parietal lobe
  1. Which part of the nervous system directly controls the digestive system?
  1. parasympathetic nervous system
  2. central nervous system
  3. spinal cord
  4. sensory-somatic nervous system