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BIO 169 Final Exam (compiled) with questions and answers 2024/2025 latest

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BIO 169 Final Exam (compiled) with questions and answers 2024/2025 latest BIO 169 Final Exam (compiled) with questions and answers 2024/2025 latest BIO 169 Final Exam (compiled) with questions and answers 2024/2025 latest

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  • August 14, 2024
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BIO 169 Final Exam (compiled) with questions and

answers 2024/2025 latest

1. give an example of a water-soluble hormone - ANSWER- Oxytocin




2. give an example of a lipid-soluble hormone - ANSWER- testosterone




3. adenylate cyclase produces the second messenger _____, when the G-

Protein has _______ and is bound to it. - ANSWER- cAMP, GTP




4. TRUE / FALSE The hypothalamus directly controls the pituitary gland? -

ANSWER- True




5. The Posterior lobe is considered to be part of the (nervous or endocrine)

system - ANSWER- Nervous




6. Hypothalamus releases ________ - ANSWER- TRH (thyrotropin-

releasing hormone)

,7. Corpus Luteum - ANSWER- If fertilization doesn't occur, corpus luteum

degenerates and the endometrium disintegrates leading to menstruation.

The main function of the corpus luteum is to maintain the endometrium

for implantation and pregnancy.




8. Nurse Cell - ANSWER- Secrete Inhibin




9. Adrenal Cortex: Zona Glomerulosa secretes: - ANSWER- Aldosterone




10.Cells of the pancreas secrete: - ANSWER- Insulin




11.Anterior Pituitary secretes: - ANSWER- Growth Hormone, FSH

(Follicle-stimulating hormone), Prolactin




12.Hypothalamus secretes: - ANSWER- GnRH (Gonadotropin-Releasing

Hormone)




13.Thymus secretes: - ANSWER- Thymosins

,14.Posterior Pituitary secretes: - ANSWER- ADH (Antidiuretic Hormone) ,

Oxytocin




15.Pineal Gland secretes: - ANSWER- Melatonin




16.Follicular Cells of the Thyroid secrete - ANSWER- T3/T4




17.Kidneys secrete - ANSWER- EPO (Erythropoietin)




18.Testes secrete: - ANSWER- Testosterone




19.Parathyroid Glands secrete - ANSWER- PTH (parathyroid hormone)




20.In response to excessive amounts of hormone, a target cell may reduce its

number of receptors for that hormone. This is an example of ________. -

ANSWER- Down Regulation

, 21.Cortisol (corticosterone) is released after _______ binds to the receptors

on the zona fasciculata. - ANSWER- ACTH (Adrenocorticotropic

hormone)




22.When eicosanoids bring about cellular changes within the same cell from

which they were formed the process is called _________ stimulation. -

ANSWER- Autocrine




23.T/F Steriods, peptides, and nucleic acids are the three classes of

hormones. - ANSWER- False




24.T/F Both males and females have accessory reproductive organs

including ducts through which gametes are carried. - ANSWER- True




25.T/F Production of new primary oocytes by mitosis continues throughout a

woman's life. - ANSWER- False




26.T/F The pancreas has both endocrine and exocrine functions. -

ANSWER- True

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