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College Zoology
Which of these statements about tetrapod blood vessels is correct?
  1. Arteries carry blood toward the atria of the heart.
  2. The pulmonary artery carries oxygen-rich blood from the lungs to the heart.
  3. Pulmonary veins carry oxygen-rich blood from the lungs to the heart.
  4. Arteries carry oxygenated blood; veins carry oxygen-poor blood.
College Nervous and Endocrine Systems
The gray matter of the cerebral cortex, where most higher-level thinking occurs, is composed mostly of                         .
  1. motor neuron cell bodies
  2. glial cells
  3. interneuron cell bodies
  4. axons of sensory cells
College Adaptations and Behavior
Compound eyes are advantageous for small prey species to detect a potential predator because                                                                      .
  1. compound eyes allow animals to detect ultraviolet radiation
  2. with compound eyes, the brain forms many separate visual images
  3. light is not necessary for compound eyes to produce action potentials
  4. they permit sensitive motion detection
College Anatomy and Physiology
A baby is born with the normal number and distribution of rods, but no cones. We would expect that the baby would                                              .
  1. be completely color-blind
  2. have poor night vision
  3. only be able to see colors under bright light
  4. be totally blind
College Zoology
One feature that amphibians and humans have in common is                                                  .
  1. a complete separation of circuits for circulation
  2. the number of heart chambers
  3. a low blood pressure in the systemic circuit
  4. the number of circuits for circulation
College Biology
The following are all considered ultraradian cycles, EXCEPT:
  1. Urinating
  2. Menstrual Cycle
  3. Surfing the Net
  4. Eating
College Nervous and Endocrine Systems
Which branch of the nervous system includes all of the others?
  1. parasympathetic
  2. motor
  3. sympathetic
  4. autonomic
  5. efferent peripheral
College Nervous and Endocrine Systems
The brain determines the pitch of a sound from the                                                        .
  1. part of the brain receiving nerve impulses from the ear
  2. intensity of nerve impulses received
  3. part of the basilar membrane stimulated by sound
  4. rate of nerve pulses received
College Zoology
Which of the following is an example of a fixed action pattern?
  1. A spider tracks its prey.
  2. A hamster becomes active at the same time each evening.
  3. A stickleback fish attacks a wood block with a red bottom.
  4. A robin eats a noxious bug, spits it out, and never eats a bug that looks like that again.
College Zoology
Which is an example of a circannual rhythm?
  1. Mosquitoes are most active at dawn and dusk.
  2. Just as the sun sets, bats leave their cave in large swarms.
  3. Every spring, cardinals gather in the park to build nests and reproduce.
  4. Fiddler crabs exhibit courtship behavior based on the phase of the moon.
College Nervous and Endocrine Systems
If the following events are arranged in the order in which they occur for an animal hiding and holding still in response to seeing a predator, which is the fourth event in the series?
  1. signaling by an efferent PNS neuron
  2. information processing in the CNS
  3. signaling by an afferent PNS neuron
  4. activation of a sensory receptor
College Zoology
Circulatory systems compensate for what?
  1. The problem of communication between the nervous system and respiratory system.
  2. The slow rate at which diffusion occurs over large distances.
  3. Temperature differences between the lungs and the active tissue.
  4. The need endothermic organisms have for maintaining an optimal body temperature.
College Zoology
Which of the following statements regarding the adult mammalian heart is correct?
  1. When the right atrium contracts, it forces blood into the left atrium.
  2. Blood in the right chambers of the heart cannot enter the left chambers without passing through the lungs.
  3. Blood is pumped from the heart via the atria.
  4. Blood arrives at the heart via the ventricles.
College Zoology
Air-breathing insects carry out gas exchange                                                              .
  1. in their specialized internal gills.
  2. across all parts of their thin exoskeleton.
  3. across the finest branches of the trachea and cell membranes.
  4. in the alveoli of their lungs.
College Nervous and Endocrine Systems
The part of the lymphatic system that is also part of the endocrine system is the
  1. spleen.
  2. thymus.
  3. lymph nodes.
  4. tonsils.
College Anatomy and Physiology
The "all-or-none" law refers to the observation that an action potential
  1. will diminish to near zero when transmitted down a long axon.
  2. is conducted more rapidly down the axon as it reaches the axon terminal.
  3. is produced whenever the membrane potential reaches threshold.
  4. fires at the same rate regardless of the inputs to the neuron.
  5. travels only in one direction.
College Nervous and Endocrine Systems
A drug that causes potassium to leak out of a neuron, increasing the positive charge on the outside, would                                                          .
  1. cause the cell to release its neurotransmitter
  2. speed up nerve signals traveling the length of the cell
  3. inhibit transmission of nerve signals by the neuron
  4. make it easier to trigger action potentials in the neuron
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