M6: Exam- Requires Respondus LockDown Browser

LATEST Attempt 1 49 minutes 92.5 out of 100 Score for this quiz: 92.5 out of 100 Submitted Jun 15 at 12:21pm This attempt took 49 minutes. 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: LH acts on the ovary causing ovulation to occur. Progesterone is the hormone for the maintenance of pregnacy, LH causes progesterone to release potential fertilization of an 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: male and females both produce all the sex hormones. males have higher levels, but females some level of this hormone. The adrenal gland are responsible for producing the opposite hormone that the gonads of the individual do 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 (R) 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: Hormones are controlled through negative feedback. negative feedback has a way of turning off hormone production when the desired level is reached. Homeostasis is a set-point range in the bady to maintain the functioning levels 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 proteins: Correct! Peptide hormones Catecholamines 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