Regulation of BP

Question 1

The lateral portion of the medulla ___ (increase, decrease) the HR and BP

Answer 1

increase

Medial portion decrease the HR and BP

Question 2

This baroreceptor is responsive to increase/decrease in BP (non-selective)

Answer 2

Carotid sinus

The Aortic arch receptors only respond to INCREASE in BP

Question 3

The aortic arch baroreceptors fires signals to cranial nerve ____

Answer 3

CN X

CN IX for carotid sinus

Question 4

____ is a branch of the CN IX that carries signal from carotid sinus to NTS

Answer 4

Hering’s nerve

Question 5

During cerebral ischemia, the systemic arterioles vasoconstrict except ___ and ____.

Answer 5

Coronary vessels and cerebral vessels

Question 6

This triad happens in response to increased intracranial pressure (cite the components of the triad)

Answer 6

Cushing Triad

1. Hypertension
2. BRadycardia
3. Irregular respirations

Question 7

_____ senses BP changes by detecting [Na]

Answer 7

Macula Densa

Then sends signal tot he afferent arteriole

Question 8

Aldosterone effects on the kidneys are ____, ____, and _____

Answer 8

1. Na reabsorption
2. K secretion
3. H secretion