MIDTERM-A-SL, 2017 Durand Name 47. What neurotransmitter is released by sympathe

Question

MIDTERM-A-SL, 2017 Durand Name 47. What neurotransmitter is released by sympathetic axon terminals at synapses wi b. adrenalin/epinephrine a. acetylcholine c. noradrenalin/norepinephrine 48. What type of adrenerglc receptor is in the radial smooth muscle of the iris? b. alpha 2 c.beta 1 d. beta 2 e. beta 3 a. alpha 1 49. What type of receptor is in the circular muscle of the iris? a. alpha 1 b. alpha 2 50. Adrenergic beta receptors are most sensitive to a. acetylcholine b. adrenalin/epinephrine c.noradrenalin/norepinephrine d. dopamine 51. In which location would alpha 2 (o2) membrane receptors be present a. cardiac muscle b. sympathetic ganglionic somas c. adipose tissue d. sympathetic postganglionic axon terminals e. piloerector muscles 52. How does sympathetic adrenergic regulation effect bronchial smooth muscle? c) no effect a) stimulates contraction b) inhibits contraction 53. Drugs called "beta blockers" slow heart rate. Which beta receptor is in cardiac muscle? a. beta 1 b. beta 2 c. beta 3 54. Identify the chemical messenger NOT secreted by the adrenal medulla a) acetylcholine b) noradrenalin c)adrenalin d) dopamine h statement a. it binds noradrenalin/norepinephrine c. it can activate a second (in d. it is present in autonomic motor ganglia b. false 56. True-False: All sympathetic effects are produced by activation of adrenergic receptors. 57. Which of the following describes a nicotinic receptor? a. true a)cholinergic, ionotropic b)cholinergic, metabotropic c) adrenergic, metabotropic S8. Which structure is not present in the adenohypophysis (anterior pituitary)? b) axon terminals a) capillary bed c)endocrine cells d. membrane receptors 59. Which of the following chemical messengers is NOT a hyp othalamic neurohormone? a) oxytocin b) thyrotropin releasing hormone c) growth hormone 60. Identify the cells that are stimulated by the chemical messenger "growth hormone releasing hormone" c) gonadotrophes 61. Identify the location of the capillary bed that receives blood from pituitary (hypophyseal) portal veins. a) somatotrophes (somatotropic cells) b. corticotrophes (corticotropic cells) a) median eminence b) adenohypophysis c) neurohypophysis

Explanation / Answer

Answer of starting 4 questions (mandatory)

Ans 47) acetylcholine

Ans 48) alpha 1

Ans 49) muscuranic cholinergic

Ans 50)adrenaline/epinephrine

Related Questions

Navigate

• Browse (All)
• Browse M
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.