Homeostasis, Nutrition, Digestion & Absorption Quiz
What hormone is produced in the pancreas that lowers blood sugar?
Tube that carries swallowed food to the stomach
Where is pepsinogen secreted?
A. the mouth
B. the stomach
C. the pancreas
D. the gall bladder
The “cause” for something to happen is the
Protein is broken down into ______________ before they are asborbed into the small intestines.
A. fatty acids
B. amino acids
C. citric acid
The two types of feedback systems that help organisms maintain homeostasis are:
A. positive and negative
B. receptor and effector
C. static and dynamic
D. minor and major
Which of the following is a hormone used to control glucose concentrations in the blood?
What changes occur to cool the body down?
A. Vasoconstriction, increase sweating and hairs lie flat
B. Vasodilation, increase sweating and hairs lie flat
C. Vasodilation, reduced sweating and hair stand up
D. Vasoconstriction, increase sweating and hairs lie flat
An organism that produces its own body heat is called…
What is an endotherm?
A. a human
B. a frog
C. a toad
D. a fish
This organ produces the hormones that help regulate blood glucose levels.
C. Small intestine
The villi provides a surface area for the absorption of nutrients into the bloodstream.
The stomach wall produces mucus to cover its surface. Which of the following statements correctly describe(s) the function of the mucus?
(1) It kills the bacteria in the ingested food.
(2) It prevents the rubbing of food against the stomach wall.
(3) It protects the stomach wall from the action of the digestive enzymes.
A. (1) only
B. (3) only
C. (1) and (2) only
D. (2) and (3) only
If the environment gets cold, we will often shiver in order to:
A. keep body temperature the same as the external temperature
B. decrease body temperature
C. increase body temperature
D. regulate blood pressure
Fingerlike extensions of the small intestine that increase the surface area for absorption
Waves of contractions that move food one way through the digestive system are called
C. Action Potential
Name this structure
B. gall bladder
What changes occur to increase body temperature
A. Vasoconstriction, hair erector muscle relaxes and hair pulled upright, no sweating and shivering
B. Vasodilation, hair erector muscle contract and hair pulled upright, no sweating and shivering
C. Vasoconstriction, hair erector muscle contract and hair pulled upright, no sweating and shivering
D. Vasodilation, hair erector muscle contract and hair pulled upright, increased sweating and shivering
What macromolecule is broken down by this structure?
D. nucleic acids
What name do we use to describe the maintaining of constant/stable internal conditions, such as: blood glucose levels, body temperature and water levels, inside the body?
A. Hormonal control
C. Nervous system
Bile is made by which digestive organ?
How does sweat cool you?
C. It doesn’t cool you
This is the enzyme that works on protein.
Which of the following organs produces digestive juice that does not contain enzymes?
Salt water crocodiles bask in the sun for several hours every morning. which one of the following statements best describes the method of thermoregulation in salt water crocodiles?
A. Endothermy, increase body temperature to increase rate of metabolism reactions in cells
B. Ectothermy, decrease body temperature to increase rate of metabolic reactions in cells.
C. Endothermy, decrease body temperature to increase rate of metabolic reactions in cells
D. Ectothermy, increase body temperature to increase rate of metabolic reactions in cells
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