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Multiple Choice Quiz
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1

Which one of the following pairs of terms is logical?
A)capillary –– digestion
B)villi –– absorption
C)alveolus –– vein
D)nephron –– digestion
2

The sense of taste involves the detection of
A)molecules.
B)ions.
C)pH.
D)All of the above are correct.
3

Protein differs from carbohydrates and fats in that
A)proteins do not provide energy.
B)proteins cannot be stored.
C)proteins are needed in greater quantities than carbohydrates.
D)None of the above is correct.
4

Growth is regulated by
A)nerves.
B)the digestive system.
C)hormones.
D)sense organs.
5

When you exercise, your heart rate and breathing rate increase. This is an example of
A)homeostasis.
B)voluntary control.
C)hormones increasing metabolism.
D)None of the above is correct.
6

The kidney functions to
A)destroy waste products of metabolism.
B)filter about 5-6 liters of blood each day.
C)produce hormones that stimulate growth.
D)regulate water loss from the body.
7

Digestion of food in the digestive system is important because
A)the food molecules are not the correct kinds of molecules.
B)large molecules cannot pass through the walls of capillaries.
C)digestion increases the energy content of the food.
D)None of the above is true.
8

Which of the following is the correct sequence for blood flow?
A)heart — capillaries — veins — arteries
B)heart — veins — capillaries — arteries
C)heart — arteries — capillaries — veins
D)capillaries — heart — arteries — veins
9

The surface of the skin is
A)the dermis.
B)subcutaneous layer.
C)epidermis.
D)None of the above is correct.
10

_____ cells are the most sensitive to losses in blood flow from the heart.
A)Muscle
B)Skin
C)Brain
D)Digestive system
11

Which of the following is the correct sequence for blood flow?
A)right atrium — left atrium — lungs — right ventricle — left ventricle
B)right atrium — right ventricle — lungs — left atrium — left ventricle
C)left atrium — left ventricle — lungs — right atrium — right ventricle
D)left atrium — right atrium — lungs — left ventricle — right ventricle
12

Which of the following is the correct sequence for the movement of oxygen from the air to muscles?
A)alveoli — capillaries — blood — movement of blood — capillaries — muscles
B)trachea — capillaries — blood — nephrons — movement of blood — capillaries — muscles
C)alveoli — capillaries — heart — muscles — capillaries
D)All of the above are true.
13

Which of the following is the correct sequence for the digestive system?
A)stomach — small intestine — large intestine — pharynx
B)stomach — pharynx — large intestine — small intestine
C)pharynx — stomach — small intestine — large intestine
D)small intestine — stomach — pharynx — large intestine
14

Small projections from the walls of the small intestine that aid in nutrient uptake are called
A)alveoli.
B)duodenum.
C)lymph.
D)villi.
15

The functional unit of a kidney is called a
A)villi.
B)nephron.
C)pancreas.
D)bile.
16

The function of the small intestine is
A)to absorb nutrients.
B)secrete enzymes.
C)move materials along the length of the intestine.
D)All of the above are true.
17

Which blood vessels regulate the amount of blood going to an area of the body?
A)capillaries
B)arteries
C)arterioles
D)veins
18

Which one of the following has the lowest blood pressure?
A)arteries
B)veins
C)capillaries
D)None is correct. They all have the same blood pressure.
19

The primary function of red blood cells is to
A)carry food.
B)fight disease.
C)carry oxygen.
D)All of the above are correct.
20

Dietary Reference Intakes and the Food Guide Pyramid are both tools to help people achieve proper nutrition. They differ in that
A)Dietary Reference Intakes state particular quantities of vitamins, minerals and other nutrients—the Food Guide Pyramid does not.
B)Dietary Reference Intakes apply only to adults—the Food Guide Pyramid applies to everyone.
C)Dietary Reference Intakes are designed to help people lose weight—the Food Guide Pyramid is not.
D)Dietary Reference Intakes deal with persons who have special dietary needs—the Food Guide Pyramid is for the general public.
21

A synapse is
A)a region where an axon of one neuron interacts with the dendrite of another.
B)only able to allow the impulse to flow in one direction.
C)involves the transfer of molecules from axon to dendrite.
D)All of the above are correct.
22

The amount of energy necessary to raise the temperature of 1 gram of water 1oC is a
A)kilocalorie.
B)Calorie—nutrition calorie.
C)calorie.
D)All of the above are correct.
23

Which of the following hormones typically produces a rapid physiological response?
A)testosterone
B)estrogen
C)epinephrine
D)growth-stimulating hormone
24

All of the following pairs of concepts are logical except which pair?
A)cones: color vision
B)cones: fovea centralis
C)rods: fovea centralis
D)rods: black and white vision
25

Which of the following muscles rapidly responds to messages from the brain?
A)Chest muscles used in breathing.
B)Muscles in the intestine that move food through the digestive tract.
C)Heart muscle used to pump blood.
D)None of the above is true.





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