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How does renin regulate blood pressure?
• It signals the collecting ducts to expel more urine.
• It affects the amount of water and salt stored or released by the body.
• It signals the heart to reduce its systole contraction.
• It relaxes blood vessels. - ANSWER- • It affects the amount of water and salt
stored or released by the body.
Which of the following has an acidic pH?
,• Lemon juice
• Blood
• Urine
• Salt water - ANSWER- • Lemon juice
• Urine
Which of the following are properties of a liquid?
• High atomic attraction
• Fixed volume
• Low pressure
• Takes shape of container - ANSWER- • Fixed volume
• Takes shape of container
Which cavity is primarily lined by the peritoneum?
• Abdominal
• Dorsal
• Ventral
• Thoracic - ANSWER- • Abdominal
A veterinarian student designs a study to examine the nutritional qualities of dog
food. She believes that a grain-free diet can affect dog health. She selects 3 of the
top-selling dog food brands for her study. From a local humane society, she
selects several chihuahua puppies under the age of 1 year. She will track these
puppies for the next year and access their health, include weight, complete blood
,count, and paw size. Three puppies will be fed nothing but brand #1 dog food, 10
puppies will only be fed Brand #2, and 10 puppies will only be fed Brand #3.
How the researcher best improves this experiment?
• The experiment should include 7 more dogs for the Brand #1 group.
• The daily serving size of kibble should be controlled.
• The experiment needs a clearly defined control of puppies.
• All of the above are ways to improve the experiment. - ANSWER- • All of the
above are ways to improve the experiment.
Which of the following is changed during a scientific investigation?
• The dependent variable.
• The control.
• The hypothesis.
• The independent variable. - ANSWER- • The independent variable.
Which of the following are true about the dependent variable?
• A factor that remains constant during the experiment
• A factor with data typically plotted on the x-axis
• A factor that is measured during an experiment
• A factor with data typically plotted on the y-axis - ANSWER- • A factor that is
measured during an experiment
• A factor with data typically plotted on the y-axis
Which two types of elements will most likely form an ionic bond?
• Two elements that are in the same period.
, • Two elements that are non-metals and have p orbitals.
• One element that is a transition metal with d orbitals and one element that is a
metal with s orbitals.
• One element that is a metal with s orbitals and one element that is a non- metal
with p orbitals. - ANSWER- • One element that is a metal with s orbitals and one
element that is a non- metal with p orbitals.
Which of the following is in the pelvic cavity?
• The kidneys
• The colon
• The bladder
• The rectum - ANSWER- • The colon
• The bladder
• The rectum
Water is considered a universal solvent due to its .
• Cohesion
• Adhesion
• Molarity
Dilution - ANSWER- • Adhesion
Which of the following is an example of Mendelian inheritance?
• Incomplete Dominance
• Polygenic Alleles
• Combination Inheritance
• Recessive Inheritance - ANSWER- • Recessive Inheritance