Biology 1409 Make up Test 3

The process of the active enzyme pepsinogen activating more pepsin molecules to become pepsinogen so that the number of pepsinogen enzymes increases rapidly to digest proteins is an example of:

• Positive feedback

• Negative feedback

• Transitional feedback

• Destructive feedback

• Disruptive feedback

The body compensates for excess blood glucose, such as in diabetes, by (Choose ALL that apply):

• Increasing the amount of urine produced
• Decreasing the amount of urine produced
• Saving more water out of the urine, concentrating the urine
• Saving less water out of the urine, diluting the urine

Animals such as fish that live in freshwater have _______________ as their metabolic waste product.

• Urea
• Uric acid
• Ammonia
• Amino acids
• Nucleic acids

Pain in the gut or shoulder that happens soon after eating a very fatty meal, but not after eating sugar or protein is usually due to a problem with the:

• Gall bladder
• Liver
• Pancreas
• Peyer's patches
• Villi

Salivary amylase ceases to function in the stomach due to the:

• Change in temperature
• Change in salinity
• Change in pH
• Change in coenzyme availability
• Change in chloride ion concentration

Olive oil is a good source of:

• Saturated fats

• Cholesterol

• Unsaturated fatty acids

• Essential fatty acids

• Trans fats

When a person sees themselves as too fat and they refuse to eat because of it, this is called:

• Bulimia nervosa
• Anorexia nervosa
• Muscle dysmorphia
• Normal dieting
• Nutritional phobia

Gathering oxygen and getting rid of carbon dioxide is made possible by the:

• Pulmonary circuit
• Portal circuit
• Systemic circuit
• Lmphatic circuit
• Neural circuit

The type of blood vessel that is very thin to allow for exchange is the:

• Artery
• Vein
• Arteriole
• Venule
• Capillary

Honeybees exhange gases with the environment via:

• Diffusion

• Gills

• Tracheae

• Lungs

• Lungs with posterior and anterior air sacs