APHY 102 Final Exam Review with Complete Solutions

The thymus gland secretes hormones called ____ that ____ - ANSWER-Thymosins; control production and differentiation of white blood cells Exocrine glands differ from endocrine gland in that exocrine glands - ANSWER-Secrete through ducts or tubes to the body's exterior Oxytocin stimulates the kidneys to conserve water - ANSWER-False The secretion of parathyroid hormone is controlled primarily by the - ANSWER-concentration of blood calcium A person under stress may have a lowered resistance to infection - ANSWER-True A hormone is a ____ and the target cell is ____ - ANSWER-Molecule that has a metabolic effect on another cell; a cell that has receptors for specific molecules The ____ secretes triiodothyronine - ANSWER-Thyroid gland Choose the example that does not demonstrate a negative feedback loop of hormonal control - ANSWER-Pressure receptors sense the movement of a baby against and through the cervix during labor. They stimulate the hypothalamus to release a hormone that causes uterine contractions. This causes more pressure receptor stimulation, leading to larger releases of the hormone and stronger, more frequent contractions. Hormone release ceases after pressure sensation cease A hormone is a secreted molecule that is carried in the bloodstream to where it acts on target cells that bear specific receptor for that hormone - ANSWER-True A female patient is experiencing a hormonal imbalance that is causing her to skip menstrual periods due to low estrogen and miss ovulation. Which of the following is most likely the imbalance hormone? - ANSWER-follicle-stimulating hormone As a result of the general stress response, blood concentrations of epinephrine - ANSWER-And cortisol rise Secretion of insulin causes - ANSWER-A decrease in the concentration of blood glucose A sweat gland is an example of a(n) ____ gland - ANSWER-Exocrine Maxwell has a very high metabolic rate, is skinny, and has protruding eyes. These are symptoms of - ANSWER-Hyperthyroidism Nonsteroid hormones include peptides, proteins, glycoproteins, and amines - ANSWER-True Hormones that the posterior pituitary secretes are synthesized in the - ANSWER-Hypothalamus Simple goiter is most prevalent where the soil lacks - ANSWER-Iodine Steroid hormones diffuse through cell membranes, then bind with receptors, whereas nonsteroid hormones bind receptors on the target cell membrane - ANSWER-True The hormone that the pineal gland secretes is - ANSWER-Melatonin The sex hormones from the adrenal cortex are primarily androgens - ANSWER-True The target cells of releasing hormones are in the anterior pituitary gland - ANSWER-True Steroid hormones - ANSWER-Are soluble in lipids The hormone that stimulates calcium decomposition into bone is - ANSWER-Calcitonin A night-shift worker experiences extreme difficulty falling asleep due to being exposed to bright lights during both night and day. The unusual pattern of light exposure is disturbing their ____, which controls the release of the hormone ____ - ANSWER-circadian rhythm; melatonin "Endocrine" means - ANSWER-Internal secretion What vessel of the lower extremity is indicated in this figure? - ANSWER-Deep femoral artery In the cardiovascular system, what vessels are the site of nutrient, gas, and waste exchange? - ANSWER-Capillaries What abdominal blood vessel is indicated in the figure? - ANSWER-Renal artery A cold, pale foot could be a sign of a blockage of blood flow in the ____ artery - ANSWER-Popliteal In mitral valve prolapse, the mitral valve - ANSWER-Bulges into the left atrium during ventricular contraction