ASU BIO 202: Exam #1 EXAM QUESTIONS
AND ANSWERS 100% SOLVED (Newest 2025) What are the chemical messengers secreted into the blood stream that act on cells far away? - Correct Answers ✅hormones What are released by nerves to affect cells? - Correct Answers ✅neurotransmitters What type of glands secrete chemicals (hormones) into the blood? - Correct Answers ✅endocrine What are the cells that are acted on by hormones called? - Correct Answers ✅target organ cells What mechanism perform general functions of communication and control but a slower, longer-lasting type of control than that provided by nerve impulses? - Correct Answers ✅hormones What mechanism binds to receptors on the target cell membrane, triggering second messengers to affect the cell's activities? - Correct Answers ✅nonsteroid hormones (first messengers) 1 / 3
ASU BIO 202: Exam #1 EXAM QUESTIONS
AND ANSWERS 100% SOLVED (Newest 2025) What mechanism binds to receptors within the target cell nucleus and influence cell activity by acting on DNA? - Correct Answers ✅steroid hormones What, in the regulation of hormone secretion is controlled by homeostatic feedback? - Correct Answers ✅hormone secretion What, in the regulation of hormone secretion, are mechanisms that reverse the direction of a change in a physiological system? - Correct Answers ✅negative feedback What, in the regulation of hormone secretion, are mechanisms that amplify physiological changes? - Correct Answers ✅positive feedback (uncommon) What is secretion of an excess of hormone that is a mechanism of endocrine disease? - Correct Answers ✅hypersecretion What is insufficient hormone secretion that is a mechanism of endocrine disease? - Correct Answers ✅hyposecretion 2 / 3
ASU BIO 202: Exam #1 EXAM QUESTIONS
AND ANSWERS 100% SOLVED (Newest 2025) What intercellular chemical signal is secreted by cells in a local area and influences the activity of the same cell type from which it was secreted (ex. prostaglandins)? - Correct Answers ✅autocrine What intercellular chemical signal is produced by a wide variety of tissues and secreted into tissue spaces; usually has a localized effect on other tissues (ex. histamine, prostaglandins)? - Correct Answers ✅paracrine What intercellular chemical signal is secreted into the blood by specialized cells; travels some distance to target tissues and influences specific activities (ex. thyroxine, insulin)? - Correct Answers ✅hormone What intercellular chemical signal is produced by neurons and functions like hormones (ex. oxytocin, antidiuretic hormone)? - Correct Answers ✅neurohormone What intercellular chemical signal is produced by neurons and secreted into extracellular spaces by presynaptic nerve terminals' travels short distances and influences post synaptic cells (ex. acetylcholine, epinephrine)? - Correct Answers ✅neurotransmitter (neurohumor)
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