Lab 2 – The Heart
Name: ______________
Table 1.
Systolic
(mmHg)
Diastolic
(mmHg)
Patient #1
118
84
Patient #2
136
78
Patient #3
122
78
Bp Category
Seated Arm Supported
Seated arm out unsupported
Seated Arm resting on leg
Seated Arm hanging
Q1. What is creating the lub-dub sounds you hear when auscultating the heart?
Q2. When taking the subject’s blood pressure, you listened for a “beat” to indicate the systolic and
diastolic blood pressures. What is the name given to those sounds that you heard? What is creating those
sounds?
Q3. Explain why a person’s blood pressure reading would be higher when they are holding their arm
straight out.
Q4. Explain why regularly ingesting table salt in one’s diet would increase a person’s blood pressure.
Multiple Choice:
Blood pressure is highest in the _____________.
Arteries Veins Capillaries
The skeletal muscle pump assists with blood flow in the _____________.
Arteries Veins Capillaries
Blood flow is slowest in the ___________.
Arteries Veins Capillaries
In which part of the brain is the cardiac control center located??
Adrenal Medulla
Pons
Cerebellum
Medulla oblongata
Frontal lobe
Hypothalamus
T F The pacemaker of the heart is found at the base of the right atrium near the septum.
1