Homeostasis, Nutrition, Digestion & Absorption Quiz
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An organism that produces its own body heat is called…
A. Ectotherm
B. Endotherm
What is the function of the gall bladder?
A. absorption of fat
B. digestion of fat
C. production of bile
D. storage of bile
Which of these stages of digestion includes a chemical change?
A. peristalsis
B. chewing
C. saliva
D. large intestine
The term for maintaining internal temperature is:
A. Thermoregulation
B. Thermometer
C. Homeothermal
D. Homeostasis
How does sweat cool you?
A. evaporation
B. condensation
C. It doesn’t cool you
What is an ectotherm?
A. fish
B. cat
C. dog
D. human
When glucose levels in the blood rise, your brain sends a signal to your pancreas. The pancreas releases insulin, which opens channels in cell membranes to allow glucose to enter the cell, lowering blood sugar levels.
A. Positive Feedback Response
B. Negative Feedback Loop
Waves of contractions that move food one way through the digestive system are called
A. Impulse
B. Peristalsis
C. Action Potential
D. Metabolism
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
What is the main purpose of the small intestine?
A. nutrients get absorbed into the blood/lacteal
B. bile is produced
C. water is removed
D. nutrients are assimilated
Which of the following is a hormone used to control glucose concentrations in the blood?
A. Insulin
B. Glycogen
C. Pancreas
This organ produces the hormones that help regulate blood glucose levels.
A. Pancreas
B. Liver
C. Small intestine
Name this structure
A. spleen
B. gall bladder
C. pancreas
D. jejunum
Bile is made by which digestive organ?
A. Gallbladder
B. Stomach
C. Rectum
D. Liver
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
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
Rapid growth during puberty causes your body to release more and more growth hormones. As you grow, more and more growth hormones are released until puberty is reached, and then the hormones stop.
A. Positive Feedback Response
B. Negative Feedback Loop
Tube that carries swallowed food to the stomach
A. esophagus
B. liver
C. pancreas
D. rectum
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
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
What is an endotherm?
A. a human
B. a frog
C. a toad
D. a fish
What macromolecule is broken down by this structure?
A. carbs
B. fats
C. proteins
D. nucleic acids
Which organ in the digestive system absorbs the most water from food?
A. esophagus
B. small intestine
C. large intestine
D. stomach
What type of digestion involves the actual breaking apart of the food by our teeth, tongue, or muscles?
A. chemical digestion
B. diffusion
C. mechanical digestion
D. peristalsis
Fingerlike extensions of the small intestine that increase the surface area for absorption
A. bronchi
B. alvioli
C. villi
D. chyme
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