Homeostasis, Nutrition, Digestion & Absorption Quiz
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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
An organism that produces its own body heat is called…
A. Ectotherm
B. Endotherm
Protein is broken down into ______________ before they are asborbed into the small intestines.
A. fatty acids
B. amino acids
C. citric acid
D. hydrochiloric
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 an endotherm?
A. a human
B. a frog
C. a toad
D. a fish
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
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
Tube that carries swallowed food to the stomach
A. esophagus
B. liver
C. pancreas
D. rectum
The “cause” for something to happen is the
A. response
B. effect
C. stimulus
D. homeostasis
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
What is the function of the gall bladder?
A. absorption of fat
B. digestion of fat
C. production of bile
D. storage of bile
The villi provides a surface area for the absorption of nutrients into the bloodstream.
A. TRUE
B. FALSE
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 organs produces digestive juice that does not contain enzymes?
A. liver
B. mouth
C. stomach
D. pancreas
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
This is the enzyme that works on protein.
A. pepsin
B. HCl
C. Bicarbonate
D. Lactase
What is involuntary contractions of voluntary muscles to warm up?
A. Shivering
B. Sweating
C. Vasodilation
D. Vasoconstriction
Which organ in the digestive system absorbs the most water from food?
A. esophagus
B. small intestine
C. large intestine
D. stomach
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
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
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
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
What enzyme is produced by this structure
A. gastrin
B. pepsin
C. amylase
D. bile
Name this structure
A. spleen
B. gall bladder
C. pancreas
D. jejunum
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