Applied Human Anatonng d. Very close to the orgn bing c Reconnecting with spinal

Question

Applied Human Anatonng d. Very close to the orgn bing c Reconnecting with spinal nerves gray ramus d. 65. Sympathetic posnganglionic nerves ha Going surnight to the heart with no synapse form sympathetic nerves supply a. Organs in the abdominal cin b. The adrenal glands c. Organs in the thoracic caviny d. All of the choices ane coec 62. A sudden increase in blood pressure by baroreceptors in the walls of large arteries near the heart will cause a. Parasympathetic reduction of 66. The sympathetic splanchnic nerves serve a Organs in the abdominal cavity b. The diaphragm c. Organs in the thoracic cavity d. All of the choices are conmect heart rate and sympathetic dilation of blood vessels Sympathetic reduction of heart rate and parasympathetic dilation of blood vessels Parasympathetic increase of heart rate and sympathetic constriction of blood vessels Sympathetic increase of heart rate b. 67. The parasympathetic division is also c. known as the b. Enteric division c. Thoracolumbar division d. Cervicothoracic division d. of blood vessels 63. Which of the following is NOT a typical adrenergic secrete_ as the "flight or fight" response by the sympathetic division of the ANS? a Vasoconstriction of abdominal blood vessels b. Dilation of air passageways c Increased secretions in the d. Serotonin 69. Cholinergic receptors on skeletal muscles and postganglionic neurons in the ANS digestive tract d. Increased fat breakdown for a. Nicotinic receptors b. Alpha receptors c. Muscarinic receptors d. Beta receptors 4. The sympathetic chain ganglion are located Alongside the vertebral column from TI through L2 regions Alongside the vertebral column from cervical through sacral a. 70. Acetylcholine binding to nicotinic receptors has a/an effect, depending on the effector b. Anterior to the spinal column in the abdominal cavity c. Inhibitory or excitatory c.

Explanation / Answer

62) Parasympathetic reduction of heart rate and sympathetic dilation of blood vessels.

explanation: baroreceptors stretching caused due to elevated blood pressure leads to an maximise the vagal nerve activity by projection to the nucleus ambiguus. It also result in reduction of the sympathetic discharge from the RVLM, finally causing to reduced heart rate as well as blood pressure. Oppositely, reduced blood pressure causes in reduced output of a signal from the baroreceptors, causing to disrestriction of the control site of central sympathetic also reduced parasympathetic activity. The ultimatel effect is an elevation in blood pressure.

63. increased secretions in the digestive tract

explanation:

fight-or-flight response is a group of responses initiated by sympathetic activity which leads to wether fleeing a threat or standing up to it, that in the modern world is frequently linked with anxious feelings.

64. c

The sympathetic chain ganglia i.e. bilaterally symmetric, also known as the paravertebral ganglia, are situated just ventral as well as spinal cord lateral. The chain broaden from the upper down neck to the coccyx, producing the unpaired coccygeal ganglion. Preganglionic nerves from the synapse of spinal cord at one of the chain ganglia, also the postganglionic fiber continue to a visceral organ an effector in the thoracic cavity, abdominal cavity, or pelvic cavity.

67. The parasympathetic division is also known as the craniosacral division of the ANs. This is due to its preganglionic fibers induces in the brain (particularly, in the midbrain, medulla oblongata, as well as pons) also in the second over fourth sacral levels of the spinal column.

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