HTN

Question 1

which health concerns does HTN inc risk of

Answer 1

• MI,
• HF
• Cerebral infarction and hemorrhage
• Renal disease

Question 2

what are the two main determinants of BP

Answer 2

Cardiac output (systolic pressure)
Peripheral vascular resistance (diastolic pressure)

Question 3

what is CO

Answer 3

HR x SV

SV: Amount of blood ejected/heart beat

Question 4

what occurs with the response to HoTN

Answer 4

SNS stimulated
Adrenal medulla secretes epinephrine and norepinephrine.
Angiotensin II and aldosterone are formed.
Kidneys retain fluid.
Blood pressure is increased.

Question 5

what is the body’s response to HTN

Answer 5

dec renal secretion
Fluid loss dec circulating volume, which
dec cardiac output, which
dec arterial blood pressure, which
dec blood pressure

Question 6

Is the following statement True or False?

Four tissue factors are important in autoregulation

Answer 6

True

Rationale: Four tissue factors are important in autoregulation. Autoregulation is the ability of body tissues to regulate their own blood flow. Important tissue factors in the regulation include histamine, bradykinin, serotonin, and prostaglandins.

Question 7

what is HTN

systolic and diastolic values that correspond *******

Answer 7

Persistently high blood pressure that results from abnormalities in regulatory mechanisms

• **Systolic pressure >140 mm Hg
• **Diastolic pressure >90 mm Hg

Question 8

what kind of HTN is more common primary or seconday

Answer 8

Primary: 90% to 95% of known cases

Question 9

what does secondary HTN result from

Answer 9

Secondary: may result from renal, endocrine, or CNS disorders or from medications