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MCAT EXAM 1 QUESTIONS & ANSWERS 2022 UPDATE | 100% Correct
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MCAT EXAM 1 QUESTIONS & ANSWERS 2022 UPDATE | 100% Correct
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1. Which of the following is the mRNA start codon in most cases?A. UAA B. AGU C. AUG D. UGA
2. Which of the types of RNA is the smallest?
A. mRNA B. tRNA C. rRNA D.
3. Which of the following is not considered a pyrimidine?
A. C B. T C. U D. G
4. Which of the following is paired correctly?
A. A-G B. C-G C. A-U D. G-T
5. Which of the following characterizes a Western blot?
A. Antibody/protein hybridization B. DNA/RNA combination C. RNA transcription
D. Polymerase chain reaction
6. Which of the following divisions of cell growth precedes Mitosis in the cell cycle?
A. G2 B. G1 C. S D. G0
7. Down syndrome is directly linked to a genetic abnormality of chromosome?
A. XXII B. XXI C. XIIX D. XV
8. Which of the following is a characteristic of the Hardy-Weinberg law?
,A. Mating between species occurs at a set rate. B. Migration is a considerable factor.
C. Mutation occurs at the locus D. Genotype selection does not occur at the locus
9. Which of the following is not an activated carrier?
A. ATP B. SAM C. TPP D. GMP
10. The end product of the TCA cycle produces ____ NADH.
A. 3 B. 4 C. 5 D. 6
11. How many ATP are required to transform pyruvate into glucose?
A. 5 B. 6 C. 7 D. 8
12. Which of the following is not a derivative of the amino acid (Tryptophan)?
A. Melatonin B. Serotonin C. Creatine D. Niacin
Answer Key
1. C 2. B 3. D 4. B 5. A 6. A 7. B 8. D 9. D 10. A 11. B 12. C
Circulation Practice Questions
1. Prothrombin is a ____ globulin and is produced by the _____.
A. Alpha, Kidney B. Alpha, Liver C. Beta, Kidney D. Beta, Liver
2. The right coronary artery divides to form the posterior interventricular artery and the ___ artery.
A. Marginal B. LVC C. RVC D. LAD
,3. Blood flowing into the cardiac veins enters the _______ next.
A. Coronary Sinus
B. Left Ventricle
C. Right Ventricle
D. Left Atrium
4. If you are using a stethoscope and trying to detect the tricuspid valve which of the following would be
the best location?
A. Within 2 inches of the xyphoid process
B. On the right side of the sternum
C. On the left side of the sternum near the midpoint
D. On the left side of the sternum near the midpoint of the sixth rib
5. Which of the following occurs during ventricular systole?
A. Increased aortic pressure
B. Increased ventricular volume
C. Dup heart sound
D. P wave
6. Which of the following occurs during ventricular diastole?
A. Increased aortic pressure
, B. Increased ventricular volume
C. Lub heart sound
D. T wave
7. The innermost layer of a blood vessel is lined with _______ ______ cells
A. Simple squamous
B. Stratified squamous
C. Simple cuboidal epithelium
D. Stratified cuboidal epithelium
8. Angiotension can directly cause the release of ____ from the adrenal cortex.
A. Renin
B. Aldosterone
C. Calcitonin
D. Thyroxine
9. Cardiac output is the product of ____ and ____.
A. HR and Disastolic pressure
B. HR and Stroke Volume
C. HR and EF
D. Diastolic and Systolic pressure
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