MCAT Missed Practice Test Questions and Answers 100% Correct
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Course
MCAT
Institution
MCAT
MCAT Missed Practice Test Questions and Answers 100% CorrectMCAT Missed Practice Test Questions and Answers 100% CorrectMCAT Missed Practice Test Questions and Answers 100% CorrectMCAT Missed Practice Test Questions and Answers 100% CorrectWhy must a patient's body not touch the ground when using a...
MCAT Missed Practice Test
Questions and Answers 100%
Correct
Why must a patient's body not touch the ground when using a defibrillator? -
ANSWER - if touching the ground, the ground offers the current a path of less
resistance (v. if not touching the ground, all of the current is forced through the
body)
--> defibrillator would be ineffective
triplet in ground state - ANSWER - when there are two unpaired electrons in
separate orbitals
(ex: O2)
Total mechanical energy of system in simple harmonic motion - ANSWER - E =
(1/2)k(x^2) + (1/2)m(v^2)
Effect of elevator accelerating up/down on spring equilibrium - ANSWER - No
acceleration: T = mg +ma = kx (tension force = restoring force)
Accelerating up: equilibrium length increases
Accelerating down: equilibrium length decreases (net force opposing the spring
force is reduced)
Catabolism of amino acids - ANSWER - produces ammonia
Absorption of light by conjugated polyenes - ANSWER - Most conjugated: can absorb
the lowest energy (lowest frequency, longest wavelength) light --> smaller energy
transitions
Assessing risk of erythroblastosis fetalis in pregnant women - ANSWER - test only
Rh- mothers who have Rh+ children
, Larger spring constant - ANSWER - total energy is higher (total potential energy -->
converted to kinetic energy, so max velocity increases as well)
Absolute configurations - ANSWER - (S) counterclockwise
Exchange one pair: S --> R or vice versa
Exchange 2 pairs: same configuration
grignard reagents: - ANSWER - ethers used as solvents
absence of water in formation is requirement (no other acidic protons can be
present)
Extraction of bases - ANSWER - Extraction with a sufficiently weak acid will result in
the protonation and isolation of the strongest base (allows for transfer to aqueous
phase)
Extraction with a stronger acid will result in the protonation and isolation of the
weaker base
For a compound that is not basic --> it will remain in the organic phase, and be
separated via distillation or other method
Iodoform test - ANSWER - identifies methyl ketones, or secondary alcohols that can
be oxidized to methyl ketones
Elevator acceleration effects on weight - ANSWER - When elevator is accelerating
upwards, the perceived weight is more than when it is standing still
Fnet = Fn - mg = ma
Mg = Fn - ma
Effect of angle on projectile motion - ANSWER - Vy = vsin(theta)
Greater the angle, greater the sine value, greater the Vy --> more time is spent in
the air
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