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BIOL 1344 Exam 1 Questions and Answers- University of Houston
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PRINTABLE VERSIONTest 1
You scored 54 out of 100
Question 1
Your answer is CORRECT.
An individual�s hematocrit would vary with:
a) age.
b) sex.
c) altitude.
d) All of the choices are correct
Question 2
Your answer is INCORRECT.
Which of the following events would most likely result in a short-term decrease in the mea
pressure?
a) Drinking a glass of water
b) Sunbathing
c) Jogging around the block
d) Taking an exam
Question 3
Your answer is INCORRECT.
The function of the post-capillary venule is to:
a) allow for diffusion of nutrients to the tissues.
,d) supply metarteriole with blood.
e) allow for diffusion of nutrients and metabolic wastes.
Question 4
Your answer is CORRECT.
The hemoglobin found in erythrocytes is able to chemically attach to:
a) only oxygen.
b) only carbon dioxide.
c) only nitrogen
d) both oxygen and carbon dioxide.
e) oxygen, carbon dioxide, and nitrogen.
Question 5
Your answer is INCORRECT.
If someone were to decrease their food intake and increase aerobic exercise, they might lo
tissue and condition their muscles. These changes would also influence their blood vessels
be:
a) regression of blood vessels in adipose and angiogenesis in skeletal muscle.
b) angiogenesis in both adipose tissue and skeletal muscle.
c) regression of blood vessels in both adipose and skeletal muscle.
d) angiogenesis in adipose and regression of blood vessels in skeletal muscle.
e) changes in the diameter of blood vessels, but no angiogenesis nor regression.
Question 6
Your answer is CORRECT.
The rapid rising phase of the pacemaker potential is mostly due to:
a) Calcium efflux
, c) Potassium influx
d) Sodium efflux
Question 7
Your answer is CORRECT.
Making up two to four percent of the leukocytes, the ___________ increase in number wh
or phagocytize antigen-antibody complexes or allergens.
a) basophil
b) eosinophil
c) lymphocyte
d) monocyte
e) neutrophils
Question 8
Your answer is INCORRECT.
Blood is correctly classified as a(n):
a) organ.
b) tissue.
c) organ system.
d) intracellular fluid.
e) More than one of these choices is correct.
Question 9
Your answer is CORRECT.
The arterioles:
a) serve as rapid-transit passageways from the tissues to the heart because of their large
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