2020 p1 Flashcards

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1
Q

THE ABILITY OF A LIVING ORGANISM TO DETECT AND RESPOND TO CHANGES IN ITS ENVIRONMENT IS REFFERED TO AS

A

IRRITABILTY

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2
Q

WHICH PROCESS DESCRIBES THE SPREAD OF GASES THROUGHOUT A ROOM?

A

DIFFUSION

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3
Q

WHICH PROCESS DESCRIBES THE ABSORPTION OF WATER BY PLANT ROOTS?

A

OSMOSIS

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4
Q
CARNIVORES
          |
HERBIVORES
          |
PRODUCERES

BASED ON THE TROPHIC PYRAMID ABOVE

GIVE EXAMPLES TO DESCRIBE THE STATEMENTS

A
  • THE PRODUCERS SUPPLY THE MOST ENERY.
  • THE HERBIVORE LEVEL PROVIDES LESS FOOD THAN THE PRODUCER LEVEL.
  • THE AMOUNT OF AVAILABLE ENERGY DECREASES WITH EACH SUCCESIVE LEVEL.
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5
Q

WHICH CELL ORGANELLE IS RESPONSIBLE FOR RESPIRATION?

A

CYTOPLASM

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6
Q

BENEDICT’S SOLUTION AND IODIDE SOLUTION ARE USED TO TEST FOR WHICH OF THE FOLLOWING FOOD NUTIENTS?

A

BENEDICT’S SOLUTION: REDUCING SUGAR

IODIDE SOLUTION: STARCH

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7
Q

DIARRHOEA IS OFTEN CAUSED BY BACTERIA AND VIRUSES PRESENT IN THE FOOD THAT WE EAT.

WHAT ACTIONS WOULD MOST LIKELY INCREASE THE CHANCES OF OUR FOOD BEING CONTAMINATED BY BACTERIA?

A

LEAVING FOOD ON THE STOVE TOP UNTIL EVERYONE HAS EATEN.

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8
Q

WHAT CONDITION IS DIRECT RESULT OF MALNUTRITION?

A

OBESITY

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9
Q

WHAT MICRONUTRINTS IS ESSENTIAL FOR THE DEVELOPMENT OF RED BLOOD CELLS IN INFANTS?

A

IRON

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10
Q

WHICH SUBSTANCES HAS NO NUTRITIVE VALVE IN A BALANCED DIET?

A

FIBRE

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11
Q

WHAT ARE THE FUNCTIONS OF P(ENAMEL), Q(DENTINE) AND R(PULP CAVITY)?

A

P: PROTECTS AND COVERS CROWN, VERY HARD SUFACE PREVENTS WEAR.
Q: BULK OF TOOTH, SIMILAR TO BONE.
R: NERVESAND BLOOD VESELS, SUPPLY NUTRIENTS AND SENSITIVITY.

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12
Q

AMINO ACIDS DERIVED FROM PROTEIN ARE AN ESSENTAIL COMPONENT OF ORU DIET BECAUSE THEY…

A

ARE USED IN THE BUILDING UP OF NEW CELLS

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13
Q

WHAT IS THE STOMACH RESPONSIBLE FOR THE DISGESTION OF

A

PROTEIN

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14
Q

THE REIGON OF ALIMENTARY CANAL IS ACIDIC IS THE….

A

STOMACH

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15
Q

WHAT IS THE FUNCTION OF THE INCISOR IN THE DIGESTION OF FOOD?

A

CUTTING

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16
Q

DIAGRAM #16
HANDLE IS PUSHED TO REDUCE VOLUME OF CHEST CAVITY. LUNGS COMPRESSED AND HIGH PRESUURE FORCES AIR OUT.

WHICH STAGE IN THE BREATHING PROCESS IS REPRESNTED IN THE MODEL?

A

EXHALATION

17
Q

WHAT PRODUCTS IS BEST COMPLETES THE EQUATION FOR AEROBIC RESPIRATION?
GLUCOSE + OXYGEN –>

A

CARBON DIOXIDE + WATER + ENERGY

18
Q

WHAT SEQUENCES SHOWS THE PATH TAKEN BY AIR MOVING INTO THE LUNGS?

A

TRACHEA –> BRONCHI –>BRONCHIOLES –> ALVEOLI

19
Q

PULMONARY CIRCULATION INVOLVES THE PASSAGE OF BLOOD FROM THE…

A

HEART TO THE LUNGS AND BACK

20
Q

THE VITAL CAPACITY OF A HEALTHY PERSON IS APPROXIMATELY 3.5 DM3. WHICH OF THE FOLLOWING PERSONS WILL MOST LIKELY HAVE A VITAL CAPACITY LESS THAN 3.5 DM3?
GIVE EXAMPLE FROM ABOVE

A

A 30-YEAR-OLD FEMALE, SMOKING FOR TEN YEARS.

21
Q

HIDGH BLOOD PRESUURE MOST LIKELY LEADS TO

A

CARDIAC PROBLEMS

22
Q

BLOOD
_________________I_______________
I I
SOLID LIQUID
________I__________ I
I I I I
1 2 3 5

WHICH OF THE FOLLOWING LABELS CORRECTLY IDENTIFIES PLASMA?

A

5

23
Q

WHEN THERE IS BLEEDING FROM A CUT THROUGH A PERSON’S SKIN, BLOOD CLOTS ARE FORMED WHEN PLATELETS BECOME ENTANGLED IN…

A

FIBRIN IN THE BLOOD VESSELS

24
Q

NAME STRUCTURE OF A LONG BONE-FEMUR OR THIGH BONE

A

*EPIPHYSIS (REGION OF GROWTH) BALL
CARTILAGE
SPONGY BONE
(CONTAINS RED MARROW)

*SHAFT YELLOW BONE MARROW
PERIOSTEUM
COMPACT BONE
MARROW CAVITY
BLOOD VESSEL

*EPIPHYSIS

25
Q

USING DIAGRAM ON #24

WHAT STRUCTURE OF A FEMUR BONE CONTAINS MARROW

A

3

26
Q

WHAT STRUCTURE ALLOWS SUBSTANCES TO PASS THROUGH ITS WALL?

A

CAPILLARY

27
Q

WHICH PAIR OF BONES IS FOUND IN THE LOWER ARM?

A

RADIUS AND ULNA

28
Q

A BALL-AND-SOCKET JOINT IS LOCATED

A

WHERE THE ARM MEETS THE SHOULDER

29
Q

USING DIAGRAM FROM # 28

DESCRIBE THE POINT OF ORGIN ON THE TRICEPS

A

THE LONG HEADORGINATES FROM THE REAR OF THE SHOULDER BLADE, WHEREAS THE LATERAL AND MEDIAL HEADS ORIGINATE FROM THE LATERAL (SIDE) AND POSTERIOR (REAR) SURFACES OF THE HUMERUS, OR UPPER ARM BONE.
ALL THREE HEADS INSERT (ATTACH) AT THE REAR OF YOUR ELBOW ON A SMALL PROTRISION OF BONE CALLED THE DECRANON PROCESS.

30
Q

THE FORM OF ENERGY (MEASURED IN CALORIES) THAT WATMS UP THE BODY IS REFERRED TO AS….

A

HEAT

31
Q

WHAT IS THE METABOLIC PRODUCTS OF THE HUMAN BODY IS TOXIC?

A

UREA

32
Q

THE AREA OF THE BRAIN WHICH ACTS AS A THERMOSTAT IN THE REGULATION OF BODY TEMPERATURE IS THE…

A

MEDULLA OBLONGATA