BRS PHYSIOLOGY

BRS Physiology 6th edition and 7th edition

PHYSIOLOGY: BRS CHAPTER 2 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED What neurotransmitter is secreted at the postganglionic synapse in sympathetic innervation to the sweat glands? Ach (NOT NE!) What neurotransmitter is secreted at the ganglion in parasympathetic neurons? Ach What receptor exists at the ganglion in ALL autonomic neurons? Nicotinic What receptor exists on skeletal muscle at the NMJ? Nicotinic What neurotransmitter is secreted onto adrenal cells to prom...

BRS PHYSIOLOGY: CHAPTER 7 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED All steroid hormones are derivatives of what common precursor? Cholesterol Thyroglublin is a derivative of... Tyrosine Epinephrine and norepinephrine are derivatives of... Tyrosine What are the two main determinants of the of a target tissue's responsiveness to a particular hormone? The number or sensitivity of receptors G proteins are active when bound to... GTP G proteins are inactive when bou...

CHAPTER 2: NEUROPHYSIOLOGY | BRS PHYSIOLOGY EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED What is a feature of the sympathetic, but not the parasympathetic, nervous system? 1. Preganglionic neurons originate in the thoracolumbar spinal cord. 2. Postganglionic neurons that release norepinephrine. *further characterized by short preganglionic neurons that synapse in ganglia located in the paravertebral chain (not in the effector organs) Which autonomic receptor mediates a...

BRS REVIEW PHYSIOLOGY EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED Which of the following lung volumes or capacities can be measured by spirometry? A. Functional Residual Capacity (FRC) B. Physiological dead space C. Total Lung Capacity (TLC) E. Vital Capacity (VC) The answer is E Residual volume (RV) cannot be measured by spirometry. Therefore, any lung volume or capacity that includes the RV cannot be measured by spirometry. Measurements that include RV are function...

PHYSIOLOGY EXAM 2 BRS QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED E. Cholinergic nicotinic receptors Which autonomic receptor is blocked by hexamethonium at the ganglia, but not at the neuromuscular junction? A. Adrenergic alpha receptors B. Adrenergic beta 1-receptors C. Adrenergic beta 2-receptors D. Cholinergic muscarinic receptors E. Cholinergic nicotinic receptors J. Inhibition of alpha 1 receptors on vascular smooth muscle A 66-year-old man with chronic hyper-tensio...

BRS REPRODUCTIVE PHYSIOLOGY EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED Embryonic Testes secrete what hormones? Testosterone Anti-Mullerian Hormone Function of Embryonic Test stimulates differentiation of Wolffian Ducts-->Internal Male Genitalia Function of Anti-Mullerian Hormone causes atrophy of Mullerina ducts aka Female reproductive system Testosterone in male is synthesized by what cell type Leydig Cells Leydig cells are stimulated by what hormone LH FSH acts ...

ENDOCRINE: BRS PHYSIOLOGY EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED B. progesterone on the hypothalamus. Curve A shows basal body temperature. The increase in temp. occurs as a result of elevated progesterone levels during the luteal (secretory) phase of the menstrual cycle. progesterone incr. the set-point temperature in the hypothalamic thermoregulatory center. The increase shown at point A is caused by the effect of A. estrogen on the ant. pit B. progesterone on the...

BRS - GASTROINTESTINAL PHYSIOLOGY EXAM QUESTIONS AND ANSWERS VERIFIED What is the function of epithelial cells of the GI tract? secretion and absorption What is the function of the muscularis mucosa? change the surface area fro secretion and absorption What is the function of circular muscle? decrease lumen diameter What is the function of longitudinal muscle? shortening of GI tract What two major plexuses constitute the enteric nervous system? Submucosal (Meissner's) plexus and m...

BRS RENAL PHYSIOLOGY EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED How much is plasma of TBW? 1/12 TBW how much is interstitial of TBW? 1/4 TBW What is the equation for volume of distribution? Amount/concentration, Amount is amount injected-amt excreted Infusion of isotonic NaCl affects ECF and ICF how? ECF volume increase, no change in osmolarity (no water shift) Diarrhea - loss of isotonic fluid affects ECF and ICF how? Decrease ECF volume Excessive salt intake causes ...