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Human Body Basics Part VI
Mixed Human Body Trivia
"The sixth edition of the quiz. I have attempted to make this one a little less difficult than the last several of the series, but hopefully equally informative."
15 Points Per Correct Answer - No time limit
What is a horseshoe kidney?
A nonfunctional kidney remnant which has no blood supply or ureteral attachment
A fully functional kidney that resulted from the fusion of the kidneys during development
A normal kidney which has folded over itself to create a horseshoe shape
A kidney without sufficient blood supply to produce urine
Which of the following is the longest?
The lingula is part of which organ?
The heart is composed of a special type of muscle fiber different from that found in other muscles of the body. Most muscle is skeletal, some is smooth muscle, and the heart is comprised of cardiac muscle which has which of the following characteristics?
cardiac muscle fibers do not end in tendons
ability to contract autonomously
all of these
contains bands of branching, angular muscle fibers
A suntan develops as a result of which of the following?
Darkening of existing melanin pigment in the skin
Production of more melanin in the skin
The immune system has "memory cells" that remember exposure to antigens so the immune response can be quicker the second time if re-exposed to the antigen.
How is mucus removed from the bronchial tubes, other than by coughing?
Periodic contractions of the smooth muscle in the airway propels secretions upward and out of the airway
Tiny channels called lamellae directly beneath the surface channel the mucus upwards
There is no other mechanism besides coughing
Tiny projections called cilia on the cells lining the airway gradually move the secretions upward
Which of these statements is false?
A girl is born with 2 million eggs, has about 300,000 by age 14, and only about 400 become fully mature
Sperm are produced in males from birth until about age 70
A man produces about 120 million sperm per day
Female infertility is more common than male infertility
The brain is composed mostly of what substance?
Which of the following most closely resembles the arrangement of skeletal muscle fibers?
A nautical rope
The cables of a suspension bridge
A filligree chain
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Compiled Jun 19 13