20 Multiple choice questions
Term 1 of 20
Why might certain young people be underweight?
A. They are growing in height faster than they are gaining weight.
B. They eat little protein and too much fat and suger.
C. They eat several meals a day and fail to exercise enough.
D. They seldom eat a meal that contains foods from all food groups.
D. The mitral valve opens to allow oxygenated blood collected in the left atrium to flow into
the left ventricle
C. Damage to a disc in the lower back will most likely cause pain radiating downward along
the sciatic nerve.
D. The disease known as rickets is a product of vitamin D deficiency and results in the
softening and bending of bones.
A. This is a common cause of underweight in adolescents. Choices B and C would be more
likely to lead to overweigh.
Term 2 of 20
You have been given sample of tissue that has open spaces partially filled by an assemblage of
needlelike structures. What is the tissue?
A. Spongy bone.
B. Compact bone.
C. Cartilage.
D. Adipose tissue.
A.
C.
B. The headrest prevents the head from moving too far backward, or hyperextending the
neck beyond its normal range.
B.
, Term 3 of 20
In men, spermatozoa develop within the ________ of each testis.
A. Seminiferous tubules.
B. Vas deferens.
C. Ejaculatory ducts.
D. Bulbourethral glangs.
A.
A.
D.
B.
Term 4 of 20
What are the two functions of the male and female sex organs?
A. Production of all cells and production of hormones.
B. Production of interstitial cells and production of hormones.
C. Production of gametes and production of hormones.
D. Production of gametes and production of interstitial cells.
C.
A.
B.
D.