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BIOD 151 Module 6 (2025) Exam Updated & Verified | with Complete Solutions Protégé Learnin, Exams of Nutrition

Lehigh University (LU)Nutrition

Explain two reasons why a woman with low levels of LH would not be able to become pregnant. ✔✔(1) LH acts on the ovary to cause ovulation to occur. (2) LH causes progesterone release to facilitate potential fertilization of the egg and pregnancy. Progesterone is a key hormone for the maintenance of pregnancy. Would you expect a female to have testosterone in their bloodstream? Explain why or why not. ✔✔(1) Yes. Both male and female bodies produce "all" the sex hormones. However, the ratios are different. (2) The adrenal glands are largely responsible for producing this "opposite" hormone that the ovaries would not

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Label the endocrine glands (A-D) A: B: C:
Explain two reasons why a woman with low levels of LH would not be able to become pregnant.
✔✔(1) LH acts on the ovary to cause ovulation to occur. (2) LH causes progesterone release to
facilitate potential fertilization of the egg and pregnancy. Progesterone is a key hormone for the
maintenance of pregnancy.
Would you expect a female to have testosterone in their bloodstream? Explain why or why not.
✔✔(1) Yes. Both male and female bodies produce "all" the sex hormones. However, the ratios
are different. (2) The adrenal glands are largely responsible for producing this "opposite"
hormone that the ovaries would not.
D: ✔✔A: Thyroid gland B: Adrenal gland C: Kidney D: Pancreas
3. Label the endocrine glands (A-C) ✔✔A: Pineal gland B: Hypothalamus C: Pituitary gland
Explain the concept of negative feedback and how it helps to maintain homeostasis. ✔✔1- The
effect or increased level of the hormone acts to shut down the con!nued release of the hormone.
2- The brain is constantly monitoring hormone levels to keep levels within a certain range or set-
BIOD 151 Module 6 (2025) Exam
Updated & Verified | with Complete
Solutions Protégé Learning…Graded
A+
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Download BIOD 151 Module 6 (2025) Exam Updated & Verified | with Complete Solutions Protégé Learnin and more Exams Nutrition in PDF only on Docsity!

Label the endocrine glands (A-D) A: B: C: Explain two reasons why a woman with low levels of LH would not be able to become pregnant. ✔✔(1) LH acts on the ovary to cause ovulation to occur. (2) LH causes progesterone release to facilitate potential fertilization of the egg and pregnancy. Progesterone is a key hormone for the maintenance of pregnancy. Would you expect a female to have testosterone in their bloodstream? Explain why or why not. ✔✔(1) Yes. Both male and female bodies produce "all" the sex hormones. However, the ratios are different. (2) The adrenal glands are largely responsible for producing this "opposite" hormone that the ovaries would not. D: ✔✔A: Thyroid gland B: Adrenal gland C: Kidney D: Pancreas

  1. Label the endocrine glands (A-C) ✔✔A: Pineal gland B: Hypothalamus C: Pituitary gland Explain the concept of negative feedback and how it helps to maintain homeostasis. ✔✔ 1 - The effect or increased level of the hormone acts to shut down the con!nued release of the hormone. 2 - The brain is constantly monitoring hormone levels to keep levels within a certain range or set-

BIOD 151 Module 6 (2025) Exam

Updated & Verified | with Complete

Solutions Protégé Learning…Graded

A+

point (homeostasis). Nega!ve feedback is a way of "turning off" hormone produc!on when the desired level is achieved

  1. Explain the concept of positive feedback. Give an example of a hormone that works through positive feedback. ✔✔ 1 - Positive feedback is the action of a hormone increasing the production of that hormone. (This is the opposite of negative feedback). 2 - One example is the action of oxytocin causing the uterus to contract during labor. Oxytocin enhances the effect of the uterus contractions, causing more oxytocin to be released. The positive feedback loop is stopped once the baby is born and the uterus no longer needs to contract, stopping the production of oxytocin. This type of hormone is derived from cholesterol: A. Peptide hormones B. Catecholamines C. Steroid hormones D. Tyrosine ✔✔C
  2. This type of hormone is derived from proteins: A. Peptide hormones B. Catecholamines C. Steroid hormones D. Tyrosine ✔✔A
  3. Growth hormone

MSH - melanocyte stimulating hormone Melatonin Cortisol GH - Growth hormone ✔✔MSH - melanocyte stimulating hormone

  1. Which hormone production is decreased with sunlight? A. MSH - melanocyte stimulating hormone B. melatonin C. cortisol D. GH - Growth hormone ✔✔B
  2. The posterior pituitary stores these two hormones: ADH and LH ADH and Oxytocin LH and FSH TSH and Prolactin ✔✔ADH and Oxytocin
  3. The posterior pituitary stores these two hormones: ADH and Prolactin TSH and LH LH and FSH ADH and Oxytocin ✔✔ADH and Oxytocin
  1. List the hormone(s) that best describes the statement below: I lower the level of calcium in the blood by depositing calcium into bone. ✔✔Calcitonin
  2. List the hormone(s) that best describes the statement below: I promote the reabsorption of water at the collecting ducts of the kidneys. ✔✔ADH
  3. List the hormone(s) that best describes the statement below: I am secreted by the pituitary and stimulate the gonads. ✔✔FSH, LH, (Gonadotropic hormones)
  4. List the hormone(s) that best describes the statement below: I am secreted by the pituitary to stimulate the thyroid. ✔✔TSH
  5. List the hormone(s) that best describes the statement below: I am secreted by the beta cells of the pancreas. ✔✔Insulin
  6. List the hormone(s) that best describes the statement below: I am secreted by the pituitary to stimulate the adrenal cortex. ✔✔ACTH
  7. List the hormone(s) that best describes the statement below: I cause blood glucose to rise and breakdown stored nutrients. ✔✔Glucagon
  1. Which gland decreases in size with age? Thyroid Thymus Pituitary Adrenal ✔✔Thymus
  2. Which cells mature in the thymus? A. B cells B. T cells C. Red blood cells D. the islets of Langerhans E. A & B ✔✔B
  3. Iodine is needed to produce which hormone/s? A. Gonadotropic B. T3 C. T4 D. TSH E. B & C (Thyroid hormones cannot be produced without iodine) ✔✔E
  4. Iodine is needed to produce which hormone/s? A. T3/T B. Gonadotropic C. ACTH D. TSH E. A & D ✔✔A
  5. Which of the following is NOT a function of oxytocin? Growth of uterus and vagina Uterine contraction

Milk letdown Given to aid in childbirth process ✔✔Growth of uterus and vagina

  1. Which of the following is NOT a function of oxytocin? Uterine contraction Bone growth Milk letdown Given to aide in childbirth process ✔✔Bone growth
  2. Which hormones are produced in the anterior pituitary? TSH, MSH, and calcitonin ADH, GH, and prolactin ACTH, FSH, and GH. PTH, TSH, and LH ✔✔ACTH, FSH, and GH
  3. Which hormones are produced in the anterior pituitary? A. TSH, MSH, and calcitonin B. ADH, GH, and prolactin C. PTH, TSH, and FH D. ACTH, GH, and prolactin ✔✔D
  4. Explain in detail why the thyroid becomes enlarged during an iodine deficiency? ✔✔When there is a low level of thyroxin in the blood, the anterior pituitary con!nues to produce TSH. The
  1. In addition to the endocrine system, the pancreas is also part of which system? Excretory Nervous Circulatory Digestive ✔✔Digestive
  2. What hormone/s are produced by the adrenal medulla? A. Epinephrine B. Glucocorticoids C. Mineralocorticoids D. B & C ✔✔A
  3. Which part of the adrenal glands is vital to life? Cortex Medulla The entire gland None of adrenal gland is vital to life ✔✔Cortex
  4. Which of the following is false regarding aldosterone? It is a regulated by the concentration of sodium. It causes the kidneys to excrete potassium and retain sodium. It causes the kidneys to retain potassium and excrete sodium.

It is a mineralocorticoid. It increases blood pressure ✔✔It causes the kidneys to retain potassium and excrete sodium.

  1. Which of the following is true regarding aldosterone? It is regulated by the anterior pituitary. It causes the kidneys to retain potassium and excrete sodium. It causes the kidneys to excrete potassium and retain sodium. It causes "fight or flight" responses in times of emergency. It decreases blood pressure ✔✔It causes the kidneys to excrete potassium and retain sodium.
  2. If you were calcium deficient which hormone would most likely be high in your body and that would occur? A. PTH, tetany B. Calcitonin, tetany C. PTH, acromegaly D. Calcitonin, hypothyroidism ✔✔B
  3. If you were experiencing kidney disease, what hormone level would be low and what would occur? PTH, tetany Calcitonin, tetany Erythropoietin, anemia Erythropoietin, stress response ✔✔Erythropoietin, anemia

Excretory Nervous Circulatory Digestive ✔✔Nervous