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Science 3
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1.
(1 point)
Which of the following is considered a component of lipids?
Plasma cells
Fatty acids
Nucleic acids
Zinc
2.
(1 point)
Down's syndrome affects chromosome ____.
13
15
21
23
3.
(1 point)
Blood enters the lungs from which chamber of the heart?
Right atrium
Left atrium
Right ventricle
Left ventricle
4.
(1 point)
Excessive consumption of alcohol is most likely to damage which organ of the body over a long period of time?
Kidney
Liver
Pancreas
Gallbladder
5.
(1 point)
Which of the following is not considered a type of radiation ray?
Gamma
Beta
Alpha
Infrared
6.
(1 point)
A molecule of hemoglobin can hold how many molecules of oxygen in the blood for transport?
2
4
6
8
7.
(1 point)
Which of the following best describes the biomechanics of breathing?
Pump handle motion
Lever action
Inspiration
Expiration
8.
(1 point)
Animals that eat meat almost exclusively are known as:
Herbivores
Carnivores
Arthropods
Prolific organisms
9.
(1 point)
The physical expressions of a gene are known as an organism's:
Transcription
Genotype
Phenotype
Translation
10.
(1 point)
A ball is traveling at a constant velocity of 50 m/s and has been traveling for over 2 minutes. What is the ball's acceleration?
0
25 m/s
25 m/s
50 m/s
2
11.
(1 point)
Neurons connect together at a ______.
Synergy
Terminal site
Docking station
Synapse
12.
(1 point)
Which of the following is another word for the kneecap in the human body?
Pisiform
Meniscus
Popliteal bursa
Patella
13.
(1 point)
Which of the following describes the shoulder joint
Ball and socket joint
Saddle joint
Hinge joint
Pivot joint
14.
(1 point)
The organ of Corti is found in what area of the body?
Mouth
Ear
Nose
Lungs
15.
(1 point)
The condition of rickets is associated with a deficiency in which vitamin?
A
C
D
Z
16.
(1 point)
A steroid is considered a ______.
Lipid
Protein
Enzyme
Weak acid
17.
(1 point)
The X cranial nerve is the ____ nerve.
Abducens
Hypoglossal
Facial
Vagus
18.
(1 point)
Which of the following pH ranges is a strong base?
1.3-2.0
4.5-5.2
7.1-9.0
11.2-12.0
19.
(1 point)
Which chamber of the heart pumps blood to the systemic circulation?
Left Atrium
Right Atrium
Left Ventricle
Right Ventricle
20.
(1 point)
Which of the following formulas indicates Newton's second law of motion?
F = ma
F = mva
v = d/t
p = mv
US