1. Endocrine and Reproductive Systems
Created by Educational Technology Network

2. Endocrine 1
Endocrine 2
Repro 1
Repro 2
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3. Endocrine 1 - 10 Points QUESTION: ANSWER:
What are two features of the endocrine system?
ANSWER:
Ductless glands
Coordinates with nervous system
Slow responses

4. Endocrine 1 – 20 Points QUESTION: ANSWER:
This type of hormone circulates in the blood bound to plasma proteins?
ANSWER:
Steroid hormones

5. Endocrine 1 – 30 Points QUESTION: ANSWER:
Which hormone causes blood glucose to increase? Name the two ways it does this.
ANSWER:
Glucagon
Gluconeogenesis
Glycogenolysis

6. Endocrine 1 – 40 Points QUESTION: ANSWER:
What causes diabetes mellitus? What are three signs of diabetes?
ANSWER:
Hyposecretion of insulin or hypoactivity of insulin
Polydipsia, polyphagia, polyuria

7. Endocrine 1 – 50 Points QUESTION: ANSWER:
Describe the production of thyroid hormone?
ANSWER:
Iodine moves from the blood through the follicle cell into the lumen
Thyroglobulin is synthesized in the golgi apparatus, moves to lumen
Tyrosines and iodine combine to make T1 and T2
These combine to make T3 and T4
Form lysosome in follicle cell, this removes excess colloid
T3 and T4 exocytosed into blood

8. Endocrine 2 – 10 Points QUESTION: ANSWER:
What are the three types of stimuli for hormone release?
ANSWER:
Humoral
Neural
Hormonal

9. Endocrine 2 – 20 Points QUESTION: ANSWER:
Name the anterior pituitary hormones.
ANSWER: LH
FSH
PRL
ACTH GH
TSH

10. Endocrine 2 – 30 Points QUESTION: ANSWER:
Hypersecretion of GH in adults can cause _____________, in children ______________. Hyposecretion in children can cause _________________.
ANSWER:
Acromegaly
Gigantism
Pituitary dwarfism

11. Endocrine 2 – 40 Points QUESTION: ANSWER:
What happens if an animal is deficient in iodine?
ANSWER:
Lack of TH produced
Goiter

12. Endocrine 2 – 50 Points QUESTION: ANSWER:
Describe how lipid soluble hormones exert their effects on a cell.
ANSWER:
Diffuses through plasma membrane
Binds intracellular receptor
Enters nucleus
Binds response element
Initiate transcription of mRNA

13. Repro 1 – 10 Points QUESTION: ANSWER:
The testes must remain _______ degrees cooler than core body temperature.
ANSWER: 3

14. Repro 1 – 20 Points QUESTION: ANSWER:
What are the three accessory glands in the male?
ANSWER:
Seminal vesicles
Prostate gland
Bulbourethral gland

15. Repro 1 – 30 Points QUESTION: ANSWER:
Sertoli cells secrete three substances. What are they and what do they do?
ANSWER:
Inhibin – represses FSH
ABP – increases T concentration in testes
MIS – prevents formation of Mullerian ducts

16. Repro 1 – 40 Points QUESTION: ANSWER:
What are the four stages of follicle maturation?
ANSWER:
Mitotic division of germ cells
Nuclear arrest
Cytoplasmic growth
Resumption of meiosis

17. Repro 1 – 50 Points QUESTION: ANSWER: Describe production of estrogen.
Cholesterol becomes testosterone in thecal cells
T goes to granulosa cell
Aromatase converts T to estrogen

18. Repro 2 – 10 Points QUESTION: ANSWER: ____________ causes ovulation
LH surge

19. Repro 2 – 20 Points QUESTION: ANSWER:
What mechanisms ensure that the sperm and egg meet in the uterine tube?
ANSWER:
Prostaglandins – reverse peristalsis, cervix mucus less viscous
Peristalsis and cilia in uterine tube

20. Repro 2 – 30 Points QUESTION: ANSWER:
What is the maternal recognition of pregnancy in humans? Cows? Pigs? Horses?
ANSWER:
hCG
Interferon tau
Estrogen
Unknown peptide

21. Repro 2 – 40 Points QUESTION: ANSWER:
Which gene determines if a developing fetus will be male or female?
ANSWER:
SRY gene

22. Repro 2 – 50 Points QUESTION: ANSWER: Describe the cortical reaction.
Sperm moves past corona radiata
Binds to ZP3 receptors
Acrosomal reaction digests zona pellucida
Sperm binds sperm binding receptors
Plasma membranes fuse
Causes rise of calcium, hardening zona pellucida and blocking sperm receptors

23. Pictures – 10 Points QUESTION: ANSWER: Identify the glands
Thyroid gland
Parathyroid gland

24. Pictures – 20 Points QUESTION: ANSWER: Identify the parts of a sperm
Head
Midpiece
Tail

25. Pictures – 30 Points QUESTION: ANSWER:
Name the different follicles and structures on the ovary.
ANSWER:
Primordial
Primary
Secondary
Tertiary
Mature CL

26. Pictures – 40 Points QUESTION: ANSWER:
Name the layers of the endometrium.
ANSWER:
Stratum functionalis
Stratum basalis

27. Pictures – 50 Points QUESTION: ANSWER:
Describe the formation of mature sperm cells.
ANSWER: