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Which of the following can act as a diuretic? 

Epinephrine can stimulate liver cells by activating the cAMP second messenger system. Which of the following are likely responses of liver cells to epinephrine stimulation?

A 1 kg mammal uses about 5 kcal of energy per hour. It eats hay, which contain about 2000 kcal per kg. Which equation will allow you to calculate how much hay it needs to eat per day to achieve a balanced weight?  

Which of the following would be likely to decrease the strength of a synapse? 

Choose the best answer for “motor unit”.

A high-stress situation (such as running for your life) would be expected to be asssociated with: 

Irene, a 68 year old female, is admitted to the hospital due to complaints of persistent vomiting and abdominal pain for the past 2 weeks. She was subsequently diagnosed with severe colitis and went to surgery to resect (take out) that portion of her bowel.   Ht: 5’2”     Wt. on admission: 94 lbs.       Weight 2 weeks ago: 100 lbs. (has been stable for the past 3 years)   Diet: has been NPO since admission – IV is currently running at 80 mL/hr with D5W & ½ normal saline + 20 mEq/L of K+Cl- (this is hospital day number 5) – the plan is to advance her diet today to clear liquids and see how she tolerates it.   Physical Examination: no significant signs of fat or muscle loss noted on admission; no edema noted on admission but dry mucous membranes and poor skin turgor assessed.   Clinical status: stable following surgery 4 days ago; 5” of her transverse colon was removed   Past Medical History: early COPD (chronic obstructive pulmonary disease – she takes the corticosteroid prednisone at home to help with the airway inflammation); gastroesophageal reflux (take a proton-pump inhibitor for management) Current medications: solumedrol (I.V. form of prednisone), esomeprazole (proton-pump inhibitor to prevent gastrointestinal bleeding); starting on some Lasix today (loop-diuretic) – she will be going home on lasix   Diet History (for the past 2 weeks):   Breakfast: 1 piece of white toast w/small amount of butter & jelly; cup of tea   Lunch: Campbell’s chicken noodle soup with 4 saltines & tea; OR Campbell’s vegetable soup with 4 saltines, tea and 1 small container of applesauce   Dinner: frozen dinner such as Lean Cuisine (chicken teriyaki/broccoli/rice) or Weight Watchers’ frozen dinner (mini-rigatoni in cream sauce, chicken ranchero mini wraps, etc. – typically provides 220 calories and 12 g protein per frozen dinner; drinks tea with dinner – eats all the frozen meals.   Intake and ouput (I/O) data since admission: Hospital Day #1 Fluid intake/output: 1800 mL (In)/1000 mL (out) Weight: 93 lbs. Hospital Day #2 Fluid I/Os: 2200 mL/1000 mL Weight: 95 lbs. Hospital Day #3 Fluid I/Os: 1800 mL/1200 mL Weight: 98.8 lbs. Hospital Day #4 Fluid I/Os: 1920 mL/1250 mL Weight: 102 lbs.   Complete a nutrition assessment based on the information from admission to day 5: (15 points)        

Becca is admitted to the hospital for dehydration due to persistent vomiting and diarrhea. You have completed a nutrition assessment on day 4 of admission. Since admission she has been receiving IV fluids and the vomiting and diarrhea have stopped. Based on the following information, what body weight illustrated below would you use to determine Becca’s energy requirements?  Ht: 5′         wt. on admit: 92 lbs.       wt today (4 days later): 98 lbs.     wt. 6 months ago: 120 lbs.

Which of the following processes demonstrates a plateau in influx across the cell membrane when plotted against the concentration gradient for the molecule?

Select a correct mechanism by which animals can increase the concentration of an enzyme.