1. (4pts) For the following hypothetical situations makea prediction about potential functional impact for theindividual:
         Gallbladderremoval
         Hyposecretionof secretin
         Vagotomy(severing of the vagus nerve) proximal to the stomach
         Lackof receptors for leptin on cells of the body
2. For each of the following digestive enzymes identifywhich organ or gland it is produced in/secreted by, what stimulusdrives the release of that enzyme, and which macromolecules itplays a role in digesting:
Enzyme | Secreted by | Stimulated by | Digests |
Peptidases | | | |
Chymotrypsin | | | |
Salivary amylase | | | |
Sucrase | | | |
Trypsin | | | |
Lactase | | | |
Pancreatic amylase | | | |
Pepsin | | | |
Maltase | | | |
Carboxypeptidase | | | |
Enterokinase | | | |
Intestinal lipase | | | |
Nucleases | | | |
Pancreatic lipase | | | |
3) Based on your understanding of nitrogen balanceidentify which condition exists in each of the followingexamples:
An anorexic patient is rapidly losing skeletal muscletissue
A weight lifter who is increasing lean bodymass
A pregnant woman proceeding through a healthypregnancy
A serious burn victim who is receiving proteinsupplements but still losing weight
4) Jacob has been working a much longer shift than heexpected and is very hungry. He is slightly hypoglycemic; luckily,he has no pathology that prevents his body from reactingappropriately. Predict what hormonal changes can be expected inJacob in response to his low blood glucose levels, the effect thathormone will have within the body, and the specific fuel sourcethat his cells will utilize for their metabolic needs in responseto this situation.
