BIO 4167, Final Quiz Questions

Questions are short answer; some may require calculations

Urinary Function
1.	About how much sodium is there in 250 ml of tomato juice? {Givens:  250 ml of tomato juice contains about 1.9 g NaCl. The atomic weight of sodium is 23 Da, chlorine, 35.5 Da.]
2.	Define isotonic.
3.	If a subject drinks 250 ml of sodium bicarbonate, what should happen to that subject’s urine pH?
4.	Urine sample A contained 420 ml urine, with a sodium concentration of 2 mg/ml. Urine sample B was 85 ml, and the sodium concentration was 11 mg/ml. Which sample represents the greater excretion of sodium?
5.	Why did you wear gloves when handling the urine samples? [ You did wear gloves, didn’t you? ] Go to top
Embryonic Development
1.	What was the title of the Video?
2.	Of which long-running PBS series was this a part:  Front Line, Nova, or National Geographic Specials?
3.	At the end of the program, a baby is born. What is its gender?
4.	Was the baby much smaller than normal?
5.	The baby’s father had a tatoo on his arm. Of what? Go to top
Urogenital Histology
	Identify the following histology images:
1.
2.
3.
4.
5.
6.	[ images selected from the JayDoc HistoWeb ] Go to top
Embryology
	We examined the embryology of the chicken using the Chickscope© website. From that site you could follow closely the events that occurred at different stages in chick development. Here are some questions relating to that site:
1.	Does the chick heart form and start beating at 25/42 hours, 42/72 hours, or 72/96 hours?
2.	What is the source of calcium for the chick embryo’s developing bones?
3.	How many days from laying of the egg to hatching of the chick? 12, 17, or 21?
4.	Had we done the physiology protocol on living chick embryos, we would have tested the effects of epinephrine on its heart rate. What would epinephrine do to the embryo’s heart rate?
5.	This little cutie is the embryo of what animal? [ selected and modified from sample MRI images of normal embryos ] [ image © Brad Smith; used with permission ] Go to top