Questions and Verified Answers | 100%
Correct | Grade A
.A tissue examined under the microscope exhibits the following characteristics: cells found on
internal surface of stomach, no extracellular matrix, cells tall and thin, no blood vessels in the
tissue. What type of tissue is this?
A. Epithelial.
B. Connective.
C. Muscle.
D. Nervous. / ANSWER/A.
.All actions of the nervous system depend on the transmission of nerve impulses over which
of the following?
A. Neuroglia.
B. Efferent pathways.
C. Afferent pathways.
D. Neurons. / ANSWER/D.
.All the nutrients that enter the hepatic portal vein are routed where for decontamination?
A. Kidney.
B. Pancreas.
C. Spleen.
,D. Liver. / ANSWER/D.
.Beriberi is a disease caused by lack of __________.
A. thiamine.
B. vitamin C.
C. niacin.
D. protein. / ANSWER/A. Thiamine (B1) deficiency is often found in people whoes diet
consists largely of polished white rice; in refining the rice, the thiamine-rich husk is removed.
Beriberi may affect several systems in the body and may lead to paralysis or death.
.During pregnancy, what organ produces the hormones that maintain the endometrium and
prepare the breasts for milk production?
A. Placenta.
B. Uterus.
C. Cervix.
D. Corpus luteum. / ANSWER/A.
.Enlargement of the thyroid, commonly known as a goiter, might be expected to affect
________.
A swallowing.
B. insulin levels.
C. sleep.
D. digestion. / ANSWER/A. A goiter may put pressure on the trachea and esophagus, causing
difficulty in breathing or swallowing.
.For the average person, what is true about caloric intake?
A. It should increase with age after age 25.
B. It should decline with age after age 25.
C. It should remain constant over a lifetime.
, D. It should decline and then increase with age. / ANSWER/B. The height of calorie intake for
healthy, active people is approximately their mid-20s. After that, calorie intake should
decline slightly as energy needs decline.
.How do the intercostal muscles between the ribs assist with respiration?
A. By protecting the delicate bronchioles and alveoli.
B. By signaling a decrease in intra-alveolar pressure.
C. By enlarging and reducing the space in the thorax.
D. By maintaining a medial separation between pleurae. / ANSWER/C. The ribs themselves
protect the lungs (choice A), but the intercostals are muscles that expand and contract the
chest, allowing it to draw in and expel air.
.How does a sagittal section divide the body?
A. Into right and left regions
B. Into upper and lower regions
C. Into front and back regions
D. Between the dorsal and ventral cavities / ANSWER/A. A sagittal section occurs along a
longitudinal plane, dividing the body into right and left regions.
.How does a transverse section divide the body?
A. Into right and left regions.
B. Into upper and lower regions.
C. Into front and back regions.
D. Between the dorsal and ventral cavities. / ANSWER/B. A transverse section is a cross
section.
.How does the digestive system work with the urinary system?
A. The digestive system controls the function of the ureter.
B. The urinary system removes toxins from the products of digestion.