Aldridge - Autonomic Nervous System

Question 1

Preganglionic, parasympathetic cell bodies are located in ?

Answer 1

Cranial nerve nuclei of 3, 7, 9, 10

S2-S4

Question 2

Locations ONLY innervated by sympathetics (not by sympathetics and parasympathetics, as is normal)

Answer 2

Sweat glands
Medulla of adrenal gland
Arrector pili muscle

Question 3

Terminal ganglia innervated by cranial nerve 10 are ________ (where_

Answer 3

Within the wall of the organ innervated (gut) or adjacent to the organ (lung, heart [just like the cranial nerves 3,7,9])

Question 4

Organs innervated by vagus nerve?

Answer 4

All thoracic viscera

Most of gut as far as left colic flexure

Question 5

Sacral components of parasympathetic innervation go to ?

Answer 5

The distal part of the large bowel (beyond left colic flexure) and urinary bladder

[derivates of hindgut]

Question 6

The temperature of the inner body is kept within +/- ___ fairhenheit constantly

Answer 6

1

Question 7

Body temperature varies throughout the day. The peak temperature is during the

Answer 7

Mid afternoon. Around 4-5 pm.

Question 8

Basic metabolic rate causes continual heat production.

A healthy young adult man may produces at least ____cal of heat/hour/sq meter body surface

Answer 8

40

Abdominal viscera, heart, and brain generate about 63% of total body heat

Question 9

Major mode of acutely increasing heat production

Rhythmic contractions of muscles thru/o body increases heat prod by 2 -4 times basal

Excitation of the thalamus by cold

Answer 9

Shivering

Question 10

____ is a hormone that has a direct effect on all cells of the body to increase the local rate of metabolism up to 100% of basal

Answer 10

Thyroxine