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1 | |
An organism that relies upon preformed organic molecules from the food it consumes is known as a(n)... |
|
| | A) | Heterotroph |
| | B) | Autotroph |
| | C) | Saprophage |
| | D) | Chemotroph |
| | E) | None of the above is correct |
|
2 | |
The correct term for the process by which food is not digested but is expelled from the body is... |
|
| | A) | Excretion |
| | B) | Egestion |
| | C) | Secretion |
| | D) | Oxidation |
| | E) | None of the above is correct |
|
3 | |
The regulatory center for hunger and thirst is located in the... |
|
| | A) | Pons |
| | B) | Medulla |
| | C) | Cerebral cortex |
| | D) | Carotid sinus |
| | E) | None of the above is correct |
|
4 | |
Bivalve molluscs use their ciliated gills to filter feed. |
|
| | A) | True |
| | B) | False |
|
5 | |
A mosquito is an example of an annoying endoparasite. |
|
| | A) | True |
| | B) | False |
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6 | |
In arthropods and vertebrates, digestion is nearly entirely intracellular. |
|
| | A) | True |
| | B) | False |
|
7 | |
Of the various classes of food molecules, lipids are most likely to bypass complete digestion and be absorbed directly into the vascular system. |
|
| | A) | True |
| | B) | False |
|
8 | |
In the entire animal kingdom, the majority of suspension feeders employ... |
|
| | A) | Baleen |
| | B) | Gill rakers |
| | C) | Cilia |
| | D) | Gills |
| | E) | Flagella |
|
9 | |
Suspension feeding is the mode of feeding in... |
|
| | A) | Great white sharks |
| | B) | Baleen whales |
| | C) | Barracudas |
| | D) | Hummingbirds |
| | E) | Worms |
|
10 | |
An example of an animal that feeds by deposit feeding is the |
|
| | A) | Great white shark |
| | B) | Typical polychaete |
| | C) | Typical bivalve |
| | D) | Earthworm |
| | E) | Butterfly |
|
11 | |
Which of the following has recently been implicated in controlling appetite and thermogenesis? |
|
| | A) | Aldosterone |
| | B) | Leptin |
| | C) | Linoleic acid |
| | D) | FAH |
| | E) | NADH |
|
12 | |
Examples of fat-soluble vitamins include which of the following? |
|
| | A) | Most of the B vitamins |
| | B) | Phenylalanine |
| | C) | A, D, E, and K |
| | D) | Minerals such as calcium and sulfur |
| | E) | None of the above is correct |
|
13 | |
A diet overly high in fats may lead to... |
|
| | A) | Atherosclerosis |
| | B) | Parkinson's disease |
| | C) | Myopia |
| | D) | Bell's palsy |
| | E) | Shingles |
|
14 | |
Pepsin is an enzyme that digests monosaccharides. |
|
| | A) | True |
| | B) | False |
|
15 | |
Fish use which of the following for suspension feeding? |
|
| | A) | Gill filaments |
| | B) | Gill rakers |
| | C) | Gill arches |
| | D) | Gill lamellae |
| | E) | None of the above is correct |
|
16 | |
Which of the following is used by whales for suspension feeding? |
|
| | A) | Krill |
| | B) | Copepods |
| | C) | Teeth |
| | D) | Gills |
| | E) | None of the above is correct |
|
17 | |
The most specialized teeth are seen in the... |
|
| | A) | Amphibians |
| | B) | Reptiles |
| | C) | Birds |
| | D) | Mammals |
| | E) | None of the above is correct |
|
18 | |
The surface area of the intestine of an oligochaete is increased by the typhlosole. |
|
| | A) | True |
| | B) | False |
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19 | |
Pyloric cecae, villi, and microvilli increase the surface area of the intestine of a mammal. |
|
| | A) | TRUE |
| | B) | FALSE |
|
20 | |
Enzymes that function in the stomach work best in a pH range above 7.0; those in the small intestine function best at a pH range less than 7.0 |
|
| | A) | True |
| | B) | False |
|
21 | |
Two important proteases of the small intestine, which are produced by the pancreas, are trypsin and chymotrypsin. |
|
| | A) | True |
| | B) | False |
|
22 | |
Most nutritive molecules are absorbed across the wall of the small intestine in the form of small molecules. |
|
| | A) | True |
| | B) | False |
|
23 | |
Which of the mammals have the most well-developed canine teeth? |
|
| | A) | Herbivores |
| | B) | Carnivores |
| | C) | Omnivores |
| | D) | Ectoparasites |
| | E) | Endoparasites |
|
24 | |
Fluid feeding is characteristic of young mammals, but particularly of... |
|
| | A) | Endoparasites |
| | B) | Herbivores |
| | C) | Omnivores |
| | D) | Piscivores |
| | E) | Ectoparasites |
|
25 | |
The simplest form of digestion is ... |
|
| | A) | Intracellular |
| | B) | Extracellular |
| | C) | By enzymatic digestion in a lumen |
| | D) | By hydrolases in a gut cavity |
| | E) | None of the above is correct |
|
26 | |
Which of the following terms describes a muscular movement in the alimentary tract that mixes the contents? |
|
| | A) | Segmentation |
| | B) | Conduction |
| | C) | Peristalsis |
| | D) | Concentration |
| | E) | None of the above is correct |
|
27 | |
Two important proteases of the small intestine, which are produced by the pancreas, are trypsin and chymotrypsin. |
|
| | A) | True |
| | B) | False |
|
28 | |
Most nutritive molecules are absorbed across the wall of the small intestine in the form of small molecules. |
|
| | A) | True |
| | B) | False |
|
29 | |
The lymphatic component of the intestinal wall that absorbs fats is the micelle. |
|
| | A) | True |
| | B) | False |
|
30 | |
The food material is moved through the alimentary tract by waves of muscular contractions known as... |
|
| | A) | Segmentation |
| | B) | Conduction |
| | C) | Peristalsis |
| | D) | Concentration |
| | E) | All of the above are correct |
|
31 | |
Some animals have a carbohydrate-splitting enzyme in the saliva called... |
|
| | A) | Nuclease |
| | B) | Amylase |
| | C) | Pepsin |
| | D) | Renin |
| | E) | Trypsin |
|
32 | |
A novel structure in the mouth of vertebrates that assists in food capture, and olfaction among other things, is the... |
|
| | A) | Salivary gland |
| | B) | Buccal funnel |
| | C) | Pharynx |
| | D) | Tongue |
| | E) | All of the above are correct |
|
33 | |
In birds and many invertebrates, the __________ is adapted for storage of food. |
|
| | A) | Gizzard |
| | B) | Duodenum |
| | C) | Spiral valve |
| | D) | Crop |
| | E) | None of the above is correct |
|
34 | |
Malnourishment will always result if the large intestine isn't functioning properly. |
|
| | A) | True |
| | B) | False |
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35 | |
In advanced coelomate animals, the gut has muscle fibers that run in opposite directions, and these longitudinal and circular muscles result in both segmentation and peristalsis. |
|
| | A) | True |
| | B) | False |