BIO 169 Exam 1 Questions and Answers Already Passed

BIO 169 Exam 1 Questions and Answers Already Passed What term is used to describe the body's ability to keep its internal conditions steady within a range of normal limits? Homeostasis Which chemical can function as a neurotransmitter in some parts of the body and as a hormone in others? Norepinephrine What are hormones called that act on the same cell that produces them? Autocrines Which type of local signaling molecules, derived from fatty acids, influence various tissues? Prostaglandins What category do hormones like androgens, estrogens, and progesterone fall into? Steroids 2 Which statement is false regarding steroid hormones? Their receptors are located on the cell surface What is the term for the intracellular signaling molecule used by hormones that dissolve in water? Cyclic AMP Which gland's hormonal secretion is commonly affected by changes in time zones, leading to jet lag? Pineal gland Which brain region has a direct influence on the hormone release of the pituitary gland? Hypothalamus Which hormone is not produced by the anterior part of the pituitary gland? ADH 3 Which hormone governs the metabolic rate across most body tissues? Thyroid hormone (TH) Which organ serves both endocrine and digestive roles? Pancreas Which gland is responsible for releasing hormones that regulate other endocrine glands? Anterior pituitary What condition results from a shortage of ADH? Diabetes insipidus Which hormone is secreted by the adrenal cortex to help regulate blood pressure? Aldosterone Which hormone is produced by the pancreas to manage blood glucose levels? Insulin