Portage Learning BIOD 151 Module 6 Exam 2022 | BIOD151 M6 Exam _Graded A

M6: Exam- Requires Respondus LockDown Question 1 5 / 5 pts Explain two reasons why a woman with low levels of LH would not be able to become pregnant. Your Answer: 1- LH provides on the ovary to cause ovulation to occur. 2-Progesterone is very important for maintenance pf pregnancy. LH makes progesterone release. And it helps to make easy potential fertilization of the egg and pregnancy. (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. Question 2 5 / 5 pts Would you expect a female to have testosterone in their bloodstream? Explain why or why not. Your Answer: Yes. Female and male bodies both produce all the sex hormones. But ratios are different. The adrenal glands mostly responsible for produce opposite hormone that the ovaries would 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. Question 3 10 / 10 pts Label the endocrine glands (A-D) A: ______________ B: ______________ C: ______________ D: ______________Your Answer: A: Thyroid B: Adrenal gland C: Kidney D: Pancreas A: Thyroid gland B: Adrenal gland C: Kidney D: Pancreas Question 4 10 / 10 pts Explain the concept of negative feedback and how it helps to maintain homeostasis.Your Answer: The impact or increased level of the hormone makes to stop the continued release of the hormone. The brain is often monitoring hormone levels to hold levels within a particular range or set-point. Negative feedback is a way of shutting off hormone production when the wanted level is reached. 1- The effect or increased level of the hormone acts to shut down the continued release of the hormone. 2- The brain is constantly monitoring hormone levels to keep levels within a certain range or set-point (homeostasis). Negative feedback is a way of “turning off” hormone production when the desired level is achieved Question 5 2 / 2 pts This type of hormone is derived from cholesterol: Peptide hormones Catecholamines Correct! Steroid hormones Tyrosine Question 6 2 / 2 pts Growth hormone____ A. is most active during childhood/adolescence. B. can cause disease if levels are not correct.C. cannot affect an adult. Correct! D. A &B Question 7 2 / 2 pts Neurosecretory cells are a part of what endocrine organ? Thalamus Pituitary Cerebellum Correct! Hypothalamus Question 8 2 / 2 pts Which hormone production is increased with sunlight? Correct! MSH –melanocyte stimulating hormone Melatonin CortisolGH -Growth hormone Question 9 2 / 2 pts The posterior pituitary stores these two hormones: ADH and LH Correct! ADH and Oxytocin LH and FSH TSH and Prolactin Question 10 2.5 / 2.5 pts List the hormone(s) that best describes the statement below: I lower the level of calcium in the blood by depositing calcium into bone. Your Answer: Calcitonin. Calcitonin Question 11 2.5 / 2.5 pts List the hormone(s) that best describes the statement below: I am secreted by the pituitary and stimulate the gonads. Your Answer:FSH or LH (Gonadotropic hormones) FSH LH Gonadotropic hormones Question 12 2.5 / 2.5 pts List the hormone(s) that best describes the statement below: I am secreted by the beta cells of the pancreas. Your Answer: Insulin. Insulin Question 13 2.5 / 2.5 pts List the hormone(s) that best describes the statement below: I cause blood glucose to rise and breakdown stored nutrients. Your Answer: Glucagon. Glucagon Question 14 10 / 10 pts Answer the following question. Explain in detail how PTH and calcitonin work to maintain calcium balance. Your Answer: