CCT 300 Ch 1 exam with complete solutions

CCT 300 Ch 1 exam with complete
solutions




HR ( heart rate) - ANSWER- 60-120bpm

SBP (systolic arterial pressure) - ANSWER- 90-140mmHg

DBP (diastolic arterial pressure) - ANSWER- 60-90mmHg

MAP - ANSWER- 80-100mmHg
formula SP+2(DP) / 3

CO (cardiac output) - ANSWER- 4.0-8.0L/min
formula HR x SV

EF (ejection fraction) - ANSWER- 60-75%

SV (stroke volume) - ANSWER- 60-130ml/beat
formula CO/HR
Afterload, contractility, preload

CI (cardiac index) - ANSWER- 2.5-4.0L/min/M2
formula CO/BSA

RAP (mean RIGHT arterial pressure ) - ANSWER- 2-7mmHg

SVR ( systemic vascular resistance) - ANSWER- 800-1200
formula (MAP-MRAP)x 80/CO
After load of the left ventricle

SvO2 (mixed venous 02 sat) - ANSWER- 60-80%

SaO2 (arterial O2 sat) - ANSWER- >95%

, ICP (intracranial pressure) - ANSWER- <15mmHg

CPP (cerebral perfusion pressure) - ANSWER- 65-100mmHg
formula MAP-ICP

2DEL ( OXYGEN DELIVERY - ANSWER- 1000ML/MIN
formula CaO2 x `0) x CO

anion gap - ANSWER- 12 (+ or -2 ) mEq/L

corrected total calcium - ANSWER- total Ca + 0.8 (4.0 -albumin )

T-wave - ANSWER- Ventricular repolarization

Wandering Atrial Pacemaker - ANSWER- Varying p-wave morphology

PEA (pulse less electrical activity ) - ANSWER- sinus rhythm but clinically dead
can not defib must continue CPR

CSF Xanthochromatic - ANSWER- Yellow color, old blood.

lumbar puncture - ANSWER- check platelet count and coagulation studies

Pupil assessment - ANSWER- done at ambient light of the room

Neuro exam invalidation - ANSWER- hypoglycemia

PR interval - ANSWER- transit time of electricity form atrium to ventricles

Left atrium - ANSWER- first to accept oxygenated blood from the lungs

SA node - ANSWER- primary pacemaker of the heart

upright QRS complex - ANSWER- current is traveling towards the monitor lead

Circulation Assessment - ANSWER- skin color
palpate pulse
cap refill