Biol 320 Practical Newest 2025/ 2026 Actual Exam Complete Questions And Correct Answers ||VERIFIED EXAM!! (Verified Answers) |Already Graded A+|| LATEST EXAM!!!

1|Page


Biol 320 Practical Newest 2025/ 2026 Actual Exam
Complete Questions And Correct Answers ||VERIFIED
EXAM!! (Verified Answers) |Already Graded A+||
LATEST EXAM!!!
In what stage(s) of sleep are sleep spindles and K-
complexes observed?


Stage 3
Stage 5
Stage 1
Stage 4
Stage 2 - ANSWER-Stage 2


Complete red cone deficiency is known as ___?
Complete blue cone deficiency is known as ___?


Tritanopia;
Protanopia


Tritanopia;
Deutanopia

,2|Page


Protanopia;
Deutanopia


Deutanopia;
Protanopia


Deutanopia;
Tritanopia


Protanopia;
Tritanopia - ANSWER-protanopia;
Tritanopia


What effect, if any, does cortisol have upon the immune
system?


No effect at all


This is a trick question because cortisol only effect the
immune system of infants


Up Regulation

,3|Page




Down Regulation


Both of the above - ANSWER-Down Regulation




What specific feature will be present or absent from an
ECG showing a defective SA node in which the AV node
has become the pacemaker?




Absent P-wave
Present and enlarged dicrotic notch
Inverted but present T-wave
Absent T-wave
Absent QRS complex - ANSWER-Absent P-wave


Identify the structure indicated by the arrow. It supplies
blood to the ___.


Axillary vein;
Brachial vein

, 4|Page




Axillary vein;
Subclavian vein


Subclavian artery;
Brachiocephalic artery


Subclavian vein;
Subscapular and axillary veins


Subclavian vein;
Brachiocephalic vein - ANSWER-Subclavian vein;
Brachiocephalic vein


For the indicated vessel:
X) name the vessel
Y) what kind of blood travels through this vessel?


Transverse scapular artery;
Oxygenated blood