A&P II FINAL EXAM STUDY WITH COMPLETE SOLUTION 2023

Virtually all of the protein or amino acid-based hormones exert their effects through intracellular __________. a. ions b. deactivators c. second messengers d. nucleotides - Correct Answer-c. second messengers Chemical Substances secreted by cells into the extracellular fluids that regulate the metabolic function of other cells in the body are called ___________. a. proteins b. antibodies c. hormones d. enzymes - Correct Answer-c. hormones The master gland of the endocrine system is the_________. a. endocrine b. pituitary c. adrenal d. thyroid - Correct Answer-b. pituitary The secretion of hormones in response to changing blood levels of ions is known as _____. a. neural stimulus b. hormonal stimulus c. humoral stimulus d. ionic stimulus - Correct Answer-c. humoral stimulus The hormone that has the greatest effect on the metabolic rate is _____________. a. growth hormone b. aldosterone c. thyroid d. cortisol - Correct Answer-c. thyroid When blood glucose levels fall, the pancreas releases ________.a. insulin b. melatonin c. glucose d. glucagon - Correct Answer-d. glucagon When parathyroid hormone is released a. blood calcium levels fall b. osteoclasts are activated c. calcitonin is inhibited d. calcium channels are blocked - Correct Answer-b. osteoclasts are activated The cells with the most receptors for growth hormones are a. liver b. nerves c. bones d. blood vessels - Correct Answer-c. bones Steroid hormones influence other cells by a. activating cyclic AMP b. entering the nucleus of the cell and altering the expression of the gene c. binding specific receptors and activating G proteins d. stimulating the uptake of glucose - Correct Answer-b. entering the nucleus of the cell and altering the expression of the gene The major plasma protein is a. thrombin b. albumin c. fibrin d. fibrinogen - Correct Answer-b. albumin This type of leukocyte produces antibodies a. neutrophil b. eosinophil c. monocyte d. lymphocyte - Correct Answer-d. lymphocyte Which of the following is not a phase of erythropoiesis a. synthesis of hemoglobin b. production of vacuoles c. ejection of the erythrocyte nucleusd. production of ribosomes - Correct Answer-b. production of vacuoles Red blood cells contain ___% hemoglobin a. 50 b. 82 c. 97 d. 100 - Correct Answer-c. 97 Which of the following is not a function of blood a. controlling endocrine glands b. transporting oxygen c. distributing heat d. producing antibodies - Correct Answer-a. controlling endocrine glands What organ in the body regulates erythropoeisis? a. brain b. kidney c. pancreas d. liver - Correct Answer-b. kidney Which of the following is not a phase of hemostasis? a. vascular spasm b. fibrinolysis c. coagulation d. platelet plug formation - Correct Answer-b. fibrinolysis The first phase of erythrocyte production is a. hemoglobin synthesis b. ejection of the nucleus c. ribosome synthesis d. reticulocyte formation - Correct Answer-c. ribosome synthesis All blood cells develop from a. hemocytoblasts b. ejection of the nucleus c. myeloid stem cells d. lymphoid stem cells - Correct Answer-a. hemocytoblasts Which of the following cells could develop from a lymphoid stem cell?