Question 1

Humans store glucose in long chains called ______________.

Accepted Answer

A) Disaccharides 
B) Monosaccharides 
C) Starch 
D) Glycogen 
E) Cholesterol

Question 2

Which veins return deoxygenated blood from the head to the heart?

Accepted Answer

A) Varicose 
B) Jugular 
C) Femoral 
D) Cranial

Question 3

What is the function of the myelin sheath that surrounds neurons?

Accepted Answer

A) Increase speed of impulses 
B) Maintain polarization 
C) Decrease friction 
D) Control growth of neurons 
E) Oxygen exchange

Question 4

A mutation in DNA that changes the DNA sequence but does not alter the amino acid of a protein is known as ____________.

Accepted Answer

A) Silent mutation 
B) Frameshift mutation 
C) Insertion mutation 
D) Deletion mutation 
E) Point mutation

Question 5

Please describe the pathway involved for formation and excretion of urine.

Accepted Answer

A) Nephrons in the kidneys filter blood, draining the waste products into the floor of the kidney, ureters drain the urine from the kidneys into the bladder, and the urethra drains the bladder, passing urine outside of the body. 
B) Nephrons in the kidneys filter blood, draining the waste products into the floor of the kidney, the urethra drain the urine from the kidneys into the bladder, and the ureters drain the bladder passing urine outside of the body. 
C) The bladder produces urine from the ureters; the urethra drains the bladder of urine to outside the body.

Question 6

Which of the following compounds is classified as a metallic oxide?

Accepted Answer

A) H2O 
B) Na2O 
C) CO2 
D) NO2 
E) SO2

Question 7

What is the oxidation state of chlorine in potassium perchlorate, KClO4?

Accepted Answer

A) -7 
B) -3 
C) 0 
D) 3 
E) 7

Question 8

When the three curves of your spine are balanced, you are considered to have good what?

Accepted Answer

A) Manners 
B) Physique 
C) Awareness 
D) Posture

Question 9

A saturated solution of NaCl is heated until more solute can be dissolved. How is this solution best described?

Accepted Answer

A) Dilute 
B) Immiscible 
C) Supersaturated 
D) Unsaturated 
E) Hydrophobic

Question 10

What type of bonding does a molecule of NaCl display?

Accepted Answer

A) Ionic 
B) Polar covalent 
C) Nonpolar covalent 
D) Metallic 
E) Covalent metallic

Question 11

What is the most likely explanation for leaves wrapped in white construction paper having the lowest amount of chlorophyll?

Accepted Answer

A) White paper prevented sunlight from being absorbed by the leaves 
B) White paper prevented carbon dioxide from being taken in by the leaves 
C) White paper prevented oxygen from being released by the leaves 
D) White paper prevented water from being released by the leaves 
E) Black paper prevented heat from being absorbed by the leaves.

Question 12

The hamstrings are responsible for flexing which joint?

Accepted Answer

A) Knee 
B) Hip 
C) Shoulder 
D) Elbow

Question 13

Which of the following families contains characteristically nonreactive elements?

Accepted Answer

A) Alkali metals 
B) Alkaline earth metals 
C) Halides 
D) Halogens 
E) Noble gases

Question 14

Where is insulin manufactured?

Accepted Answer

A) In the cells of living tissue. 
B) In the lining of the small intestine. 
C) In the gall bladder. 
D) In the pancreas.

Question 15

Which of the following best describes eversion of the foot?

Accepted Answer

A) Lateral movement of the sole of the foot 
B) Medial movement of the sole of the foot 
C) Lateral rotation of the heel 
D) Medial rotation of the ankle

Question 16

As the dominant plant of the area changes, the total biomass of the community __________.

Accepted Answer

A) Increases 
B) Decreases 
C) Remains the same 
D) Decreases then increases 
E) Increases then decreases

Question 17

Which of the following are transport tissues in vascular plants? I. Root
II) Xylem
III) Phloem

Accepted Answer

A) I only 
B) II only 
C) III only 
D) II and III only 
E) I, II, and III only

Question 18

The shortening of a muscle occurs in which type of contraction?

Accepted Answer

A) Egocentric 
B) Eccentric 
C) Concentric 
D) Isometric

Question 19

80.0 grams of NaOH is dissolved in 3.0 moles of H20. What is the mole fraction of NaOH in this solution?

Accepted Answer

A) .20 
B) .37 
C) .40 
D) .64 
E) .79

Question 20

The autonomic nervous system consists of what two parts?

Accepted Answer

A) Sympathetic and parasympathetic 
B) Empathetic and pathetic 
C) Organic and energetic 
D) Generic and spastic

Exam 10: Comprehensive Examination: Science