1. Provide a PHYSIOLOGICAL definition of each term. (20 points).

- pancreatin

 

 

- mucus

 

 

- brown fat

 

 

- inhibin

 

 

- micelle

 

 

- pyloric sphinctor

 

 

- CCK

 

 

 

- peristalsis

 

 

 

- induced ovulation

 

 

-fetal CRH

 

 

 

2. Complete the following table of nutrient digestion and absorption. There may be more than one answer required. (15 points)

 

CHO

Proteins

  Nucleic acids

Lipids

First broken

down into....

 

 

 

 

 

 

 

 

 

First broken

down by......

 

 

 

 

 

 

 

 

 

 

 

 

Source of 1st

Breakdown agent

 

 

 

 

 

 

 

 

 

 

 

Next broken

down into....

 

 

 

 

 

 

 

 

 

 

 

Enzyme for

2nd breakdown

 

 

 

 

 

 

 

 

 

 

Source of

Enzyme

 

 

 

 

 

 

 

 

 

 

 

Site of final

Digestion step

 

 

 

 

 

 

 

 

 

 

 

Site of absorption

 

 

 

 

 

 

 

 

 

 

 

 

Mode of absorption

 

 

 

 

 

 

 

 

 

 

 

 

Absorption into (Vessel)

 

 

 

 

 

 

 

 

 

 

 

 

 

3. In this table, list effectors involved with regulation of the digestive system. For each give the efferent signal(s) and integrator. Connect by arrows. (10 points)

 

INTEGRATION

EFFERENT SIGNAL

EFFECTOR

 

 

 

 

 

 

 

 

 

 

4. For each nutrient, list 5 fates that could happen to it once it=s circulating in the blood. (5 points)

 

CHO

PRO

LIPIDS

 

 

 

 

 

5. What conditions are required to accurately measure an animal/person=s BMR? (5 points)

 

 

 

 

6. Complete the following table describing the transfer of sperm to the female reproductive tract. (10 points)

 

 

 

Erection

Emission

Ejaculation

Sensory receptors

 

 

 

 

 

 

 

 

Level of integration

 

 

 

 

 

 

 

 

Efferent nerves

 

 

 

 

 

 

 

 

Effectors

 

 

 

 

 

 

 

 

Result

 

 

 

 

 

 

 

 

 

 

 

7. Complete the following table of specialized cells. (10 points)

 

Cells

Locations

Functions

 

 

 

 

secretes HCl

 

 

Chief

 

 

 

 

 

 

 

 

 

between seminferous tubules

 

 

 

 

 

 

 

 

 

secrete androgens in males

 

 

trophoblast

 

 

 

 

 

 

thecal

 

 

 

 

 

 

 

 

inside follicle

 

 

 

 

8. Rewrite the following events of the female reproductive cycle in the proper sequence, starting

at the beginning of the ovarian follicular phase. (10 points)

corpus luteum forms

corpus albicans forms

a few follicles start to grow

ovulation

menstrual phase

endometrium cell proliferate

progesterone increases rapidly

estrogen feedback becomes positive

FSH increases and stimulates follicles

LH levels spike

 

 

10. Explain the endocrinological mechanisms for why females stop cycling while pregnant. (5 points)

 

 

 

 

11. Discribe the events that occur in the moments just before and just after proteins on the sperm and egg membranes bind together (5 points)

 

 

 

 

 

 

 

12. Diagram the regulation of the milk synthesis/production. (5 points).