Question 1

Which phylum is characterized by the presence of a water vascular system, tube feet, and deuterostome development?

Accepted Answer

Echinodermata

Question 2

A patient presents with malabsorption of amino acids. Based on the path of absorption, which organ(s) of the GI tract may not be functioning properly?

Accepted Answer

Small intestine

Question 3

Which of the following is NOT one of the four basic tissue types found in all organs and organ systems?

Accepted Answer

Cardiac tissue

Question 4

Which trait is shared by all chordates?

Accepted Answer

Notochord

Question 5

After leaving the intestinal epithelial cells as chylomicrons, fats are first absorbed into the ______.

Accepted Answer

Lymphatic system

Question 6

Which of the following best describes the function of epithelial tissue?

Accepted Answer

Lining and covering organs and body cavities

Question 7

Which of the following is NOT a possible example of a respiratory surface in any animal?

Accepted Answer

Hair

Question 8

The bile salts function in fat digestion by _____?

Accepted Answer

Emulsifying big droplets of fats to small droplets

Question 9

Which of the following have valves within them to prevent blood backflow?

Accepted Answer

Veins

Question 10

Countercurrent exchange in fish gills is extremely efficient for gas exchange because:

Accepted Answer

Blood and water flow in opposite directions, maximizing the diffusion of oxygen

Question 11

Which of the following is the correct sequence of events as your body responds to increased temperature in a sauna?

Accepted Answer

3, 1, 4, 2

Question 12

Which statement about arthropods is incorrect?

Accepted Answer

Most arthropod sensory organs are concentrated at the posterior end.

Question 13

Which trait unites all vertebrates?

Accepted Answer

Neural crest cells

Question 14

A complete digestive tract, or alimentary canal, differs from a gastrovascular cavity in that only the complete tract _____?

Accepted Answer

Has specialized compartments

Question 15

Which of the following is NOT an example of a circulatory adaptation for thermoregulation?

Accepted Answer

Elastic arterial walls

Question 16

Which of the following features is the primary shared derived character of Osteichthyans?

Accepted Answer

An endoskeleton made of ossified bone

Question 17

Which of the following is NOT one of the 3 fundamental components of all circulatory systems?

Accepted Answer

A gastrovascular cavity

Question 18

Which of the following best explains why the standard metabolic rate (SMR) of an American alligator is less than 1/20th the energy used by a comparably sized adult human at the same ambient temperature?

Accepted Answer

Ectothermy has a lower energetic requirement than endothermy

Question 19

Which of the following is the correct order of biological organization from most-complex to least-complex?

Accepted Answer

3, 5, 2, 4, 1

Question 20

Which of the following is the primary mechanism by which a snake absorbs heat from a sun-warmed road?

Accepted Answer

Conduction

Bio 102 Exam II Review – Study Guidance and Practice Questions

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