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BIOD151 Maternal Newborn Module Exam With Answers (26 Solved Questions)

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    BIOD 151 Module 6 Exam (100% Error - free Answers) Explain two reasons why a woman with low levels of LH would not be able to become pregnant. correct answers (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. correct answers (1) Yes. Both male an d 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. Label the endocrine glands (A - D) A: ______________ B: _____ _________ C: ______________ D: ______________ correct answers A: Thyroid gland B: Adrenal gland C: Kidney D: Pancreas 3. Label the endocrine glands (A - C) correct answers A: Pineal gland B: Hypothalamus C: Pituitary gland Explain the concept of negative f eedback and how it helps to maintain homeostasis. correct answers 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 ra nge or set - point (homeostasis). Nega!ve feedback is a way of "turning off" hormone produc!on when the desired level is achieved 4. Explain the concept of positive feedback. Give an example of a hormone that works through positive feedback. correct answers 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 t he 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 correct answers C 5. This type of hormone is derived from proteins: A. Peptide hormones B. Catecholamines C. Steroid hormones D. Tyrosine correct answers A 6. Growth hormone____ A. is most active during childhood/adolescence.

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    B. can cause disease if levels are not correct. C. cannot affect an adult. D. A &B correct answers D 6. Growth hormone______ A. is most active during adulthood. B. is produced by the anterior pituitary gland. C. underproduction is called acromegaly. D. A &C correct answers B 7. Neurosecretory cells are a part of what endocrine organ? Thalamus Pituitary Cerebellum Hypothalamus correct answers Hypothalmus 7. Neurons in the hypothalamus are called ______ Neurosecretory Vasopressin Melanocytes Somatotropic correct answers Neurosecretory 8. Which hormone production is increased with sunlight? MSH - melanocyte stimulating hormone Melatonin Cortisol GH - Gro wth hormone correct answers MSH - melanocyte stimulating hormone 8. Which hormone production is decreased with sunlight? A. MSH - melanocyte stimulating hormone B. melatonin C. cortisol D. GH - Growth hormone correct answers B 9. The posterior pituitary stores these two hormones: ADH and LH ADH and Oxytocin LH and FSH TSH and Prolactin correct answers ADH and Oxytocin 9. The posterior pituitary stores these two hormones: ADH and Prolactin TSH and LH LH and FSH ADH and O xytocin correct answers ADH and Oxytocin

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